(TXT) View Source
       
       # PARADYNE CORPORATION
       
          DATAPORT 2001
       
          Card Type              Modem (asynchronous)                    
          Chip Set               Unidentified                            
          Maximum Modem Rate     14.4KbpS                                
          Maximum Fax Rate       14.4Kbps                                
          Data Modulation        Bell 103J/212A                          
          Protocol                                                       
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis                                 
          Fax Modulation         ITU-T V.17, V.29, V.27ter               
          Protocol               
          Error                  V.42, V.42bis, MNP5                     
          Correction/Compression 
          Fax Class              Class I & II                            
          Data Bus               External                                
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function        | Label  |   Function    |   Label   |
          |------------------------------------------------------------|
          | DC power                  |   CN1    | Line in      | CN4  |
          |---------------------------+----------+--------------+------|
          | RS-232/422                |   CN2    | Power switch | SW1  |
          |---------------------------+----------+--------------+------|
          | Line out                  |   CN3    |              |      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED |    Color     | Status |          Condition           |
          |-----+--------------+--------+------------------------------|
          | RD  | Unidentified |   On   |   Modem is receiving data    |
          |-----+--------------+--------+------------------------------|
          | RD  | Unidentified |  Off   | Modem is not receiving data  |
          |-----+--------------+--------+------------------------------|
          | SD  | Unidentified |   On   |  Modem is transmitting data  |
          |-----+--------------+--------+------------------------------|
          | SD  | Unidentified |  Off   |  Modem is not transmitting   |
          |     |              |        |             data             |
          |-----+--------------+--------+------------------------------|
          | CD  | Unidentified |   On   |   Carrier signal detected    |
          |-----+--------------+--------+------------------------------|
          | CD  | Unidentified |  Off   | Carrier signal not detected  |
          |-----+--------------+--------+------------------------------|
          | OH  | Unidentified |   On   |      Modem is off-hook       |
          |-----+--------------+--------+------------------------------|
          | OH  | Unidentified |  Off   |       Modem is on-hook       |
          |-----+--------------+--------+------------------------------|
          | TR  | Unidentified |   On   |      DTR signal is high      |
          |-----+--------------+--------+------------------------------|
          | TR  | Unidentified |  Off   |      DTR signal is low       |
          |-----+--------------+--------+------------------------------|
          | EC  | Unidentified |   On   |   Error correction enabled   |
          |-----+--------------+--------+------------------------------|
          | EC  | Unidentified |  Off   |  Error correction disabled   |
          |-----+--------------+--------+------------------------------|
          | HS  | Unidentified |   On   | Modem is in high speed mode  |
          |-----+--------------+--------+------------------------------|
          | HS  | Unidentified |  Off   |  Modem is not in high speed  |
          |     |              |        |             mode             |
          |-----+--------------+--------+------------------------------|
          | MR  | Unidentified |   On   |         Power is on          |
          |-----+--------------+--------+------------------------------|
          | MR  | Unidentified |  Off   |         Power is off         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SUPPORTED COMMAND SET                    |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | AT, ‘+++’, A/                                              |
          |------------------------------------------------------------|
          | A, E, H, P, T, Y                                           |
          |------------------------------------------------------------|
          | &G, &W, &X, &Y, &Z                                         |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \G, \K, \X                                                 |
          |------------------------------------------------------------|
          | %A                                                         |
          |------------------------------------------------------------|
          |                        S Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S18, S25, S26                                              |
          |------------------------------------------------------------|
          | Note: See MHI Help File for full command documentation.    |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                  COMMUNICATION PROTOCOLS                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Bn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the communication protocol for data |
          |              | calls                                       |
          |------------------------------------------------------------|
          |      Note: The B command allows the simultaneous selection |
          |      of more than one suffix, enabling multiple protocols. |
          |------------------------------------------------------------|
          |   Command    |                  Protocol                   |
          |--------------+---------------------------------------------|
          |      B0      | ITU-T V.22 at 300 or 1200bps                |
          |--------------+---------------------------------------------|
          |      B1      | Bell 212A at 300 or 1200bps                 |
          |--------------+---------------------------------------------|
          |      B2      | V.23 at 75/1200bps                          |
          |--------------+---------------------------------------------|
          |      B3      | V.23 at 1200/75bps                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COMMUNICATIONS MODE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects communications mode                 |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |    í &M0     | Asynchronous mode                           |
          |--------------+---------------------------------------------|
          |     &M1      | Synchronous mode with AT command protocol   |
          |              | dialing                                     |
          |--------------+---------------------------------------------|
          |     &M2      | Synchronous mode with DTR dialing method    |
          |--------------+---------------------------------------------|
          |     &M3      | Synchronous mode with AT command protocol   |
          |              | dialing                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COMMUNICATIONS MODE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects communications mode                 |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |    í &Q0     | Asynchronous mode                           |
          |--------------+---------------------------------------------|
          |     &Q1      | Synchronous mode with AT command protocol   |
          |              | dialing                                     |
          |--------------+---------------------------------------------|
          |     &Q2      | Synchronous mode with DTR dialing method    |
          |--------------+---------------------------------------------|
          |     &Q3      | Synchronous mode with AT command protocol   |
          |              | dialing                                     |
          +------------------------------------------------------------+
       
           
       
          +------------------------------------------------------------+
          |                   CONFIGURATION PROFILES                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &V [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays active and stored configuration    |
          |              | profiles                                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &V0      | Display current configuration options in    |
          |              | active memory                               |
          |--------------+---------------------------------------------|
          |     &V1      | Display configuration options stored in     |
          |              | memory area specified by &Y command         |
          |--------------+---------------------------------------------|
          |     &V1n     | Display a continuous scroll of the view     |
          |              | commend. (n= 0 for &V0, 1 for &V1, 2 for    |
          |              | &V2, 3 for &V3, and 4 for &V4)              |
          |--------------+---------------------------------------------|
          |     &V2      | Display configuration options stored in     |
          |              | user profile 0                              |
          |--------------+---------------------------------------------|
          |     &V3      | Display configuration options stored in     |
          |              | used profile 1                              |
          |--------------+---------------------------------------------|
          |     &V4      | Display telephone numbers stored in         |
          |              | directory locations 1 and 2                 |
          |--------------+---------------------------------------------|
          |     &V8      | Display modem’s status information for      |
          |              | troubleshooting                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DATA CARRIER DETECT (DCD)                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the DCD option is enabled   |
          |              | or disabled                                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &C0     | DCD enabled                                 |
          |--------------+---------------------------------------------|
          |     &C1      | DCD enabled after carrier signal detected   |
          |--------------+---------------------------------------------|
          |     &C2      | DCD forced on, turns off momentarily when   |
          |              | disconnected                                |
          |--------------+---------------------------------------------|
          |     &C3      | Follows DTR                                 |
          |--------------+---------------------------------------------|
          |     &C4      | Simulated Control Carrier                   |
          |--------------+---------------------------------------------|
          |     &C5      | Follows DTR, turns off upon disconnect      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DATA SET READY (DSR)                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DSR options                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &S0      | DSR forced high                             |
          |--------------+---------------------------------------------|
          |    í &S1     | DSR high only while modem is handshaking or |
          |              | connected                                   |
          |--------------+---------------------------------------------|
          |     &S2      | DSR high only while modem is connected      |
          |--------------+---------------------------------------------|
          |     &S3      | Follows DTR                                 |
          |--------------+---------------------------------------------|
          |     &S4      | On early (when data command is entered)     |
          |--------------+---------------------------------------------|
          |     &S5      | Delay until Data mode is entered            |
          +------------------------------------------------------------+
       
           
       
           
       
           
       
           
       
           
       
           
       
           
       
           
       
           
       
           
       
          +------------------------------------------------------------+
          |                 DATA TERMINAL READY (DTR)                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects modem response to DTR               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &D0     | Modem does not respond to DTR               |
          |--------------+---------------------------------------------|
          |     &D1      | Modem goes to command mode after DTR goes   |
          |              | is off                                      |
          |--------------+---------------------------------------------|
          |     &D2      | Modem goes to command mode and disconnects  |
          |              | (hangs up) after DTR goes off; Auto-Answer  |
          |              | is disabled.                                |
          |--------------+---------------------------------------------|
          |     &D3      | Modem is initialized after DTR goes off     |
          |--------------+---------------------------------------------|
          |     &D4      | Modem does not disconnect from the call     |
          |              | until the computer turns DTR off            |
          |              | reguardless of how the remote modem         |
          |              | disconnects the call (see S25)              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DIAL                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] D<#> [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Dials telephone number according to any     |
          |              | modifiers included in the string            |
          |--------------+---------------------------------------------|
          | Note:        | Any combination of modifiers can be used to |
          |              | produce the desired dial functions in       |
          |              | sequence.                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      DL      | Re-dial last number                         |
          |--------------+---------------------------------------------|
          |      DP      | Pulse dialing enabled                       |
          |--------------+---------------------------------------------|
          |      DR      | Answer mode enabled; originate mode         |
          |              | disabled following handshake initiation.    |
          |--------------+---------------------------------------------|
          |     DS=n     | Dial stored telephone number n              |
          |--------------+---------------------------------------------|
          |      DT      | Tone dialing enabled/Pulse dialing disabled |
          |--------------+---------------------------------------------|
          |      DW      | Dialing resumed following dial tone         |
          |              | detection                                   |
          |--------------+---------------------------------------------|
          |      D,      | Dialing paused for amount of time specified |
          |              | in S8 register                              |
          |--------------+---------------------------------------------|
          |      D!      | Flash function initiated. Modem commanded   |
          |              | to go off-hook for specified time before    |
          |              | returning on-hook.                          |
          |--------------+---------------------------------------------|
          |      D@      | Wait for Quite Answer function enabled.     |
          |              | Modem waits until a "quiet answer," a       |
          |              | ring-back signal followed by silence up to  |
          |              | the time specified in S7, is received prior |
          |              | to executing the rest of the dial string.   |
          |--------------+---------------------------------------------|
          |      D$      | Wait for prompt tone detection function     |
          |              | enabled. Waits for prompt tone for amount   |
          |              | of time specified by the S7 command.        |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  FACTORY DEFAULT PROFILE                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &F [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Sets values in active profile to values     |
          |              | found in the default profile                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &F0      | Load factory configuration options into     |
          |              | active memory                               |
          |--------------+---------------------------------------------|
          |     &F5      | Load the ETC protocol (cellular phone line) |
          |--------------+---------------------------------------------|
          |     &F6      | Load the ETC protocol (normal phone line)   |
          +------------------------------------------------------------+
       
           
       
           
       
          +------------------------------------------------------------+
          |                          ON-LINE                           |
          |------------------------------------------------------------|
          | Type:         | Immediate                                  |
          |---------------+--------------------------------------------|
          | Format:       | AT [cmds] On [cmds]                        |
          |---------------+--------------------------------------------|
          | Description:  | Controls on-line command (data             |
          |               | transmission) state options.               |
          |------------------------------------------------------------|
          |      Note: The O command must be placed at the end of the  |
          |      command string.                                       |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      O0       | Return to on-line data mode                |
          |---------------+--------------------------------------------|
          |      O1       | Forces modem from online command mode to   |
          |               | data mode                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    PULSE DIALING RATIO                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects pulse dial make/break ratio         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &P0     | 39/61ms at 10pps (North America)            |
          |--------------+---------------------------------------------|
          |     &P1      | 33/67ms at 10pps (Europe)                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Displays the product code                   |
          |--------------+---------------------------------------------|
          |      I1      | Displays the ROM checksum                   |
          |--------------+---------------------------------------------|
          |      I2      | Performs and EEPROM check                   |
          |--------------+---------------------------------------------|
          |      I3      | Displays serial number and AT&T Paradyne    |
          |--------------+---------------------------------------------|
          |      I4      | Displays alphanumeric modem number          |
          |--------------+---------------------------------------------|
          |      I5      | Displays circuit card part number           |
          |--------------+---------------------------------------------|
          |      I6      | Displays software part number               |
          |--------------+---------------------------------------------|
          |      I9      | Displays firmware revision number           |
          |--------------+---------------------------------------------|
          |     I10      | Allows the value of 10 to be changed to 144 |
          |              | (I10=0), 240 (I10=1), 480 (I10=2), 960      |
          |              | (I10=3), or 120 (I10=4)                     |
          |--------------+---------------------------------------------|
          |     I11      | Displays a ROM checksum in a hexadecimal    |
          |              | format                                      |
          |--------------+---------------------------------------------|
          |     I17      | Displays last fatal error recorded          |
          |--------------+---------------------------------------------|
          |     I19      | Displays firmware revision number in an     |
          |              | alphanumeric format                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     RESULT CODE FORMAT                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Vn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects word or numeric format for          |
          |              | information-text and result codes           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      V0      | Numeric format enabled (numbers 1)          |
          |--------------+---------------------------------------------|
          |     í V1     | Verbose (word) format enabled               |
          |--------------+---------------------------------------------|
          |      V2      | Numeric format enabled (numbers 2)          |
          +------------------------------------------------------------+
       
           
       
           
       
           
       
          +------------------------------------------------------------+
          |                        RESULT CODES                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Qn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables modem to send result codes to the   |
          |              | DTE                                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     í Q0     | Result code sending enabled                 |
          |--------------+---------------------------------------------|
          |      Q1      | Result code sending disabled                |
          |--------------+---------------------------------------------|
          |      Q2      | Result code sending enabled in Originate    |
          |              | mode                                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          RTS/CTS                           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Rn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects RTS/CTS options                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &R0     | Standard RS-232 operation: RTS must be on   |
          |              | for the computer to transmit to the modem   |
          |--------------+---------------------------------------------|
          |     &R1      | Ignore                                      |
          |--------------+---------------------------------------------|
          |     &R2      | Simulated Control Carrier                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SELECT CALL PROGRESS RESULT CODES              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Xn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables selection of tone detection and     |
          |              | associated result code format options       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      X0      | Busy and dial tone detection disabled;      |
          |              | result codes 0 - 4 enabled.                 |
          |--------------+---------------------------------------------|
          |      X1      | Busy and dial tone detection disabled;      |
          |              | result codes 0 - 5 & 10 enabled.            |
          |--------------+---------------------------------------------|
          |      X2      | Busy tone detection disabled, dial tone     |
          |              | detection enabled; result codes 0 - 6 & 10  |
          |              | enabled.                                    |
          |--------------+---------------------------------------------|
          |      X3      | Busy tone detection enabled, dial tone      |
          |              | detection disabled; result codes 0 - 5, 7 & |
          |              | 10 enabled.                                 |
          |--------------+---------------------------------------------|
          |     í X4     | Busy and dial tone detection enabled;       |
          |              | result codes 0 - 7 & 10 enabled.            |
          |--------------+---------------------------------------------|
          |      X5      | Adds error control suffix (REL) to extended |
          |              | result codes 20-27 if error control is      |
          |              | used, enabled dial tone detect and busy     |
          |              | tone detect                                 |
          |--------------+---------------------------------------------|
          |      X6      | Add either V.42 or MNP suffix to extended   |
          |              | result codes 20-27 if data compression is   |
          |              | used, enable dial tone detect and busy      |
          |              | signal detect                               |
          |--------------+---------------------------------------------|
          |      X7      | Computer’s data rate appears in the connect |
          |              | message instead of the telephone line data  |
          |              | rate, enables dial tone detect and busy     |
          |              | tone detect                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         SOFT RESET                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Zn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Restores modem profiles previously saved in |
          |              | non-volatile RAM using the &W command.      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      Z0      | Restore setting 0                           |
          |--------------+---------------------------------------------|
          |      Z1      | Restore setting 1                           |
          |--------------+---------------------------------------------|
          |      Z3      | Performs a reset and loads storage area     |
          |              | specified by &Y into Active                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        SPEAKER MODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Mn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects various speaker options             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      M0      | Speaker disabled                            |
          |--------------+---------------------------------------------|
          |     í M1     | Speaker enabled until carrier signal        |
          |              | detected                                    |
          |--------------+---------------------------------------------|
          |      M2      | Speaker enabled                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       SPEAKER VOLUME                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Ln [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      L0      | Low volume setting                          |
          |--------------+---------------------------------------------|
          |      L1      | Low volume setting                          |
          |--------------+---------------------------------------------|
          |     í L2     | Medium volume setting                       |
          |--------------+---------------------------------------------|
          |      L3      | Highest volume setting                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TEST MODES                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Tn                               |
          |--------------+---------------------------------------------|
          | Description: | Selects test options                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &T0      | End current test                            |
          |--------------+---------------------------------------------|
          |     &T1      | Begin local analog loopback test            |
          |--------------+---------------------------------------------|
          |     &T2      | Pattern test                                |
          |--------------+---------------------------------------------|
          |     &T3      | Begin local digital loopback                |
          |--------------+---------------------------------------------|
          |     &T4      | Grant remote digital loopback request       |
          |--------------+---------------------------------------------|
          |     &T5      | Deny remote digital loopback request        |
          |--------------+---------------------------------------------|
          |     &T6      | Request remote digital loopback             |
          |--------------+---------------------------------------------|
          |     &T7      | Request remote digital loopback and         |
          |              | self-test                                   |
          |--------------+---------------------------------------------|
          |     &T8      | Begin local analog loopback and self-test   |
          |--------------+---------------------------------------------|
          |     &T9      | Self test                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TRANSMIT LEVEL                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &In [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Determins the transmit level for data over  |
          |              | dial lines. (-10 - -25dBm)                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TRANSMIT MODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Jn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the transmit mode                  |
          |--------------+---------------------------------------------|
          |   Command    |                  Jack Type                  |
          |--------------+---------------------------------------------|
          |    í &J0     | Permissive mode                             |
          +------------------------------------------------------------+
       
                               Extended AT Commands
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %C0      | Disable V.42bis and MNP 5 data compression  |
          |--------------+---------------------------------------------|
          |     %C1      | Enable V.42bis and MNP 5 data compression   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CONNECT MODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the type of connection the modem   |
          |              | will operate in                             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \N0      | Buffer mode                                 |
          |--------------+---------------------------------------------|
          |     \N1      | Direct mode                                 |
          |--------------+---------------------------------------------|
          |     \N2      | MNP or disconnect                           |
          |--------------+---------------------------------------------|
          |     \N3      | MNP or buffer                               |
          |--------------+---------------------------------------------|
          |     \N4      | LAPM of disconnect (cellular setting)       |
          |--------------+---------------------------------------------|
          |     \N5      | LAPM or buffer                              |
          |--------------+---------------------------------------------|
          |     \N6      | V.42.MNP or disconnect                      |
          |--------------+---------------------------------------------|
          |    í \N7     | V.42/MNP or buffer                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CTS CONTROL                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Determines the hanling of the Clear To Send |
          |              | signal                                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \D0      | Forced on                                   |
          |--------------+---------------------------------------------|
          |     \D1      | Follows standard RS-232 operation: CTS      |
          |              | follows DTS                                 |
          |--------------+---------------------------------------------|
          |     \D2      | Forced on, but turns off momentarily when   |
          |              | disconnected                                |
          |--------------+---------------------------------------------|
          |     \D3      | Follow state of DTR signal                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DATABURST CONTROL                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Van [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Databurst control                           |
          |------------------------------------------------------------|
          |       Command       |               Function               |
          |---------------------+--------------------------------------|
          |        %VA0         | Disable                              |
          |---------------------+--------------------------------------|
          |        %VA1         | Enable                               |
          +------------------------------------------------------------+
       
           
       
           
       
           
       
           
       
           
       
          +------------------------------------------------------------+
          |              ERROR CONTROL NEGOTIATION BUFFER              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Determines wether the modem buffers data    |
          |              | durring error control negotiation           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \C0      | Disabled                                    |
          |--------------+---------------------------------------------|
          |     \C1      | Enabled                                     |
          |--------------+---------------------------------------------|
          |     \C2      | Disabled, enable upon fallback              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     FLOW CONTROL TYPE                      |
          |------------------------------------------------------------|
          | Type:            | Configuration                           |
          |------------------+-----------------------------------------|
          | Format:          | AT [cmds] \Qn [cmds]                    |
          |------------------+-----------------------------------------|
          | Description:     | Sets type of flow control used by modem |
          |------------------------------------------------------------|
          |                            DTE                             |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |  \Q0, \Q4, \Q5,  | Disable                                 |
          |       \Q6        |                                         |
          |------------------+-----------------------------------------|
          |       \Q1        | XON/XOFF                                |
          |------------------+-----------------------------------------|
          |     \Q2, \Q3     | CTS to DTE                              |
          |------------------------------------------------------------|
          |                            DCE                             |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |  \Q0, \Q2, \Q4   | Disable                                 |
          |------------------+-----------------------------------------|
          |     \Q1, \Q5     | XON/XOFF                                |
          |------------------+-----------------------------------------|
          |     \Q3, \Q6     | RTS to DCE                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      INACTIVITY TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Tn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the length of time that the modem does |
          |              | not receive information before it           |
          |              | disconnects. 0 disables.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            MAXIMUM BLOCK SIZE FOR TRANSMISSION             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum transmittable block size   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \A0      | MNP block size is 64 characters             |
          |--------------+---------------------------------------------|
          |     \A1      | MNP block size is 128 characters            |
          |--------------+---------------------------------------------|
          |     \A2      | MNP block size is 192 characters            |
          |--------------+---------------------------------------------|
          |     \A3      | MNP block size is 256 characters            |
          |--------------+---------------------------------------------|
          |     \A4      | MNP block size is 32 characters             |
          |--------------+---------------------------------------------|
          |     \A5      | MNP block size is 16 characters             |
          +------------------------------------------------------------+
       
           
       
           
       
          +------------------------------------------------------------+
          |                    MODULATION/DATA RATE                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the modulation/data rate           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    %B300     | V.21 or Bell 103 @ 300bps                   |
          |--------------+---------------------------------------------|
          |    %B1200    | V.22, V.23 or Bell 212A @ 1200bps           |
          |--------------+---------------------------------------------|
          |    %B2400    | V.22bis @ 2400bps                           |
          |--------------+---------------------------------------------|
          |    %B4800    | V.32bis/V.32 @ 4800bps                      |
          |--------------+---------------------------------------------|
          |    %B7200    | V.32bis @ 7200bps                           |
          |--------------+---------------------------------------------|
          |    %B9600    | V.32bis/V.32 @ 9600bps                      |
          |--------------+---------------------------------------------|
          |   %B12000    | V.32bis @ 12,000bps                         |
          |--------------+---------------------------------------------|
          |   %B14400    | V.32bis @ 14,400bps                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         VOICESPAN                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %VFn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Controls voicespan defaults                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   VOICESPAN AUDIO VOLUME                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %VG [cmds]                        |
          |--------------+---------------------------------------------|
          | Range:       | 0 (lowest) - 9 (highest)                    |
          |--------------+---------------------------------------------|
          | Description: | Returns a value which indicates the         |
          |              | received line signal level                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    VOICESPAN DATA MODE                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %VH [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the voicespan data mode            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %VH0     | Audio and data                              |
          |--------------+---------------------------------------------|
          |     %VH1     | Data only                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               VOICESPAN SPEAKER RING VOLUME                |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %VL [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the voicespan speaker ring volume  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %VL0     | Disable                                     |
          |--------------+---------------------------------------------|
          |     %VL1     | Low                                         |
          |--------------+---------------------------------------------|
          |     %VL2     | Medium                                      |
          |--------------+---------------------------------------------|
          |     %VL3     | High                                        |
          +------------------------------------------------------------+
       
           
       
           
       
           
       
           
       
           
       
          +------------------------------------------------------------+
          |                      VOICESPAN TOGGLE                      |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %VS [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Disables the voicespan                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %VS0     | Disable                                     |
          |--------------+---------------------------------------------|
          |     %VS1     | Enable                                      |
          +------------------------------------------------------------+
       
                               S(status) -REGISTERS
       
          +------------------------------------------------------------+
          |                 ADDITIONAL RINGS TO ANSWER                 |
          |------------------------------------------------------------|
          | Type:                          | Register                  |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S62=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255 (0 = disable)                       |
          |--------------+---------------------------------------------|
          | Description: | Specifies the number of rings to be sent to |
          |              | the local telephone before a RING message   |
          |              | is sent to the computer                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      AT COMMAND MODE                       |
          |------------------------------------------------------------|
          | Type:                          | Register                  |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S84=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Determines how the modem responds to valid  |
          |              | and invalid AT commands                     |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |    í S84=0    | Normal                                     |
          |---------------+--------------------------------------------|
          |     S84=1     | ERROR result code is not issued in         |
          |               | response to invalid commands               |
          |---------------+--------------------------------------------|
          |     S84=2     | All invalid commands and all commands that |
          |               | alter configuration options are ignored    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BUFFER DISCONNECT DELAY                   |
          |------------------------------------------------------------|
          | Type:                                | Register            |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S49=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets how long the modem waits to disconnect |
          |              | after it has received a disconnect command. |
          |------------------------------------------------------------|
          |         Command          |            Function             |
          |--------------------------+---------------------------------|
          |          S49=0           | Disable                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CELLULAR ENHANCEMENTS                    |
          |------------------------------------------------------------|
          | Type        | Register or Configuration                    |
          |-------------+----------------------------------------------|
          | Format      | AT [cmds] S91=n [cmds]                       |
          |-------------+----------------------------------------------|
          | Description | This is part of the ETC protocol and is      |
          |             | enabled when the modem is configured using   |
          |             | AT&F5 or AT&F6 commands.                     |
          |------------------------------------------------------------|
          |  Command  |                    Function                    |
          |-----------+------------------------------------------------|
          |  í S91=1  | Disable                                        |
          |-----------+------------------------------------------------|
          |   S91=2   | Enable                                         |
          +------------------------------------------------------------+
       
           
       
           
       
           
       
           
       
           
       
          +------------------------------------------------------------+
          |                       DIAL LINE RATE                       |
          |------------------------------------------------------------|
          | Format          | AT [cmds] S41=n [cmds]                   |
          |-----------------+------------------------------------------|
          | Default:        | 0,1                                      |
          |-----------------+------------------------------------------|
          | Range:          | 0 - 13                                   |
          |-----------------+------------------------------------------|
          | Description:    | Sets the protocol and rate.              |
          |-----------------+------------------------------------------|
          |  Bit  |  Value  |                 Function                 |
          |-------+---------+------------------------------------------|
          | 1 - 0 | 14,400  | V.32bis                                  |
          |-------+---------+------------------------------------------|
          |   2   | 12,000  | V.32bis                                  |
          |-------+---------+------------------------------------------|
          |   3   |  9600   | V.32bis/V.32                             |
          |-------+---------+------------------------------------------|
          |   4   |  7200   | V.32bis                                  |
          |-------+---------+------------------------------------------|
          |   5   |  4800   | V.32bis/V.32                             |
          |-------+---------+------------------------------------------|
          |   6   |  2400   | V.22bis                                  |
          |-------+---------+------------------------------------------|
          |   7   |  1200   | V.22                                     |
          |-------+---------+------------------------------------------|
          |   8   |  1200   | Bell 212A                                |
          |-------+---------+------------------------------------------|
          |  10   |  0-300  | V.21                                     |
          |-------+---------+------------------------------------------|
          |  11   |  0-300  | Bell 103J                                |
          |-------+---------+------------------------------------------|
          |  12   | 1200/75 | V.23                                     |
          |-------+---------+------------------------------------------|
          |  13   | 75/1200 | V.23                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DTE RATE = VF RATE                     |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S90=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Automatically adjusts the computer’s rate   |
          |              | to equal the dial-line rate                 |
          |------------------------------------------------------------|
          |  Command   |                   Function                    |
          |------------+-----------------------------------------------|
          |  í S90=1   | Disable                                       |
          |------------+-----------------------------------------------|
          |   S90=2    | Enable                                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DTMF TONE OFF TIMER                     |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S13=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 70                                          |
          |--------------+---------------------------------------------|
          | Range:       | 50 - 255                                    |
          |--------------+---------------------------------------------|
          | Description: | Controls the duration of the wait between   |
          |              | DTMF tones                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      FAST DISCONNECT                       |
          |------------------------------------------------------------|
          | Type:                                | Register            |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S85=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Determines whether the modem instantly goes |
          |              | on-hook in response to a disconnect         |
          |              | command.                                    |
          |------------------------------------------------------------|
          |         Command          |            Function             |
          |--------------------------+---------------------------------|
          |         í S85=0          | Disable                         |
          |--------------------------+---------------------------------|
          |          S85=1           | Enable                          |
          +------------------------------------------------------------+
       
           
       
           
       
           
       
           
       
           
       
           
       
          +------------------------------------------------------------+
          |                  HARDWARE BYPASS CONTROL                   |
          |------------------------------------------------------------|
          | Type:                            | Register                |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S67=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Determines under what conditions the modem  |
          |              | will turn on or off hardware bypass         |
          |              | control.                                    |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |     í S67=0      | Disable                                 |
          |------------------+-----------------------------------------|
          |      S67=1       | Bypass if DTR drops                     |
          |------------------+-----------------------------------------|
          |      S67=2       | Bypass until modem goes off hook        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  LINE CURRENT DISCONNECT                   |
          |------------------------------------------------------------|
          | Type:                      | Register                      |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S65=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Enables line current disconnects            |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |    í S65=0    | Disconnect after 8 milliseconds            |
          |---------------+--------------------------------------------|
          |     S65=1     | Disconnect after 90 milliseconds           |
          |---------------+--------------------------------------------|
          |     S65=2     | Disable                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MAXIMUM RATE IN DATA-ONLY MODE               |
          |------------------------------------------------------------|
          | Type:                               | Register             |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S61=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the data rate used when in data-only   |
          |              | mode                                        |
          |------------------------------------------------------------|
          |         Command          |            Function             |
          |--------------------------+---------------------------------|
          |         í S61=0          | 14,400bps                       |
          |--------------------------+---------------------------------|
          |          S61=1           | 12,000bps                       |
          |--------------------------+---------------------------------|
          |          S61=2           | 9600bps                         |
          |--------------------------+---------------------------------|
          |          S61=3           | 7200bps                         |
          |--------------------------+---------------------------------|
          |          S61=7           | 4800bps                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   RI FOLLOWS LOCAL PHONE                   |
          |------------------------------------------------------------|
          | Type:                               | Register             |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S68=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Determines whether the RI signal indicates  |
          |              | the hookswitch status of the telephone      |
          |              | connected to the Voice Interface Port.      |
          |------------------------------------------------------------|
          |         Command          |            Function             |
          |--------------------------+---------------------------------|
          |         í S68=0          | Disable                         |
          |--------------------------+---------------------------------|
          |          S68=1           | Enable                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      V.17 FAX DISABLE                      |
          |------------------------------------------------------------|
          | Type:                           | Register                 |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S79=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Enables the V.17 fax functionality.         |
          |------------------------------------------------------------|
          |        Command         |             Function              |
          |------------------------+-----------------------------------|
          |        í S79=0         | Disable                           |
          |------------------------+-----------------------------------|
          |         S79=1          | Enable                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          V.32bis AUTOMODE FOR DIAL-LINE OPERATION          |
          |------------------------------------------------------------|
          | Type:                              | Register              |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S78=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Determines whether the modem can connect    |
          |              | using a modulation scheme other than that   |
          |              | specified by S41.                           |
          |------------------------------------------------------------|
          |         Command         |             Function             |
          |-------------------------+----------------------------------|
          |         í S78=0         | Enable                           |
          |-------------------------+----------------------------------|
          |          S78=1          | Disable                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          V.32bis AUTORATE FOR DIAL-LINE OPERATION          |
          |------------------------------------------------------------|
          | Type:                                | Register            |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S76=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Determines whether the modem can adjust     |
          |              | line rate according to the line conditions  |
          |------------------------------------------------------------|
          |         Command          |            Function             |
          |--------------------------+---------------------------------|
          |         í S76=0          | Enable                          |
          |--------------------------+---------------------------------|
          |          S76=1           | Disable                         |
          |--------------------------+---------------------------------|
          |          S76=2           | 4800bps                         |
          |--------------------------+---------------------------------|
          |          S76=3           | 9600bps                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       V.32bis TRAIN                        |
          |------------------------------------------------------------|
          | Type:                              | Register              |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S43=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the duration of the V.32 handshaking   |
          |              | sequence.                                   |
          |------------------------------------------------------------|
          |         Command         |             Function             |
          |-------------------------+----------------------------------|
          |         í S43=0         | Long                             |
          |-------------------------+----------------------------------|
          |          S43=1          | Short                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               V.42 ARQ WINDOW SIZE INCREASE                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S89=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the V.42 ARQ window size to a value of |
          |              | six to fifteen frames.                      |
          |------------------------------------------------------------|
          |  Command   |                   Function                    |
          |------------+-----------------------------------------------|
          |   S89=0    | 6 frames                                      |
          |------------+-----------------------------------------------|
          |  í S89=1   | 7 frames                                      |
          |------------+-----------------------------------------------|
          |   S89=2    | 8 frames                                      |
          |------------+-----------------------------------------------|
          |   S89=3    | 9 frames                                      |
          |------------+-----------------------------------------------|
          |   S89=4    | 10 frames                                     |
          |------------+-----------------------------------------------|
          |   S89=5    | 11 frames                                     |
          |------------+-----------------------------------------------|
          |   S89=6    | 12 frames                                     |
          |------------+-----------------------------------------------|
          |   S89=7    | 13 frames                                     |
          |------------+-----------------------------------------------|
          |   S89=8    | 14 frames                                     |
          |------------+-----------------------------------------------|
          |   S89=9    | 15 frames (cellular setting)                  |
          |------------+-----------------------------------------------|
          |   S89>9    | 9 frames                                      |
          +------------------------------------------------------------+
       
           
       
           
       
           
       
          +------------------------------------------------------------+
          |                VOICESPAN CALL DISCRIMINATE                 |
          |------------------------------------------------------------|
          | Type:                             | Register               |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S63=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Determines wheter to use the modulation     |
          |              | indicated by the calling tone.              |
          |------------------------------------------------------------|
          |         Command         |             Function             |
          |-------------------------+----------------------------------|
          |         í S63=0         | Disable                          |
          |-------------------------+----------------------------------|
          |          S63=1          | Enable                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               VOICESPAN DISCRIMINATE TIMEOUT               |
          |------------------------------------------------------------|
          | Type:                          | Register                  |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S64=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Description: | Determines how long call discrimination can |
          |              | be tried before the default modulation is   |
          |              | used.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    VOICESPAN FAST TRAIN                    |
          |------------------------------------------------------------|
          | Type:                                | Register            |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S75=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Enables fast training when running          |
          |              | voicespan                                   |
          |------------------------------------------------------------|
          |         Command          |            Function             |
          |--------------------------+---------------------------------|
          |         í S75=0          | Enable                          |
          |--------------------------+---------------------------------|
          |          S75=1           | Disable                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VOICESPAN PHONE RING COUNT                 |
          |------------------------------------------------------------|
          | Type:                              | Register              |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S66=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 254                                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum number of rings used to    |
          |              | alert the user to an impending voicespan    |
          |              | session.                                    |
          |------------------------------------------------------------|
          |         Command         |             Function             |
          |-------------------------+----------------------------------|
          |         í S66=0         | Disable                          |
          +------------------------------------------------------------+