(TXT) View Source
       
       # ZOLTRIX, INC.
       
          FM-HSP336I
       
          Card Type              Modem (asynchronous)                    
          Chipset                PCtel HSP/V.34+                         
          I/O Options            Voice, speakerphone                     
          Maximum Data Rate      33.6Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Modulation        Bell 103A, 212A                         
                                                                         
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis, V.34                           
          Fax Modulation         ITU-T V.17, V.21CH2, V.27ter, V.29      
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
          Fax Class              Class I                                 
          Data Bus               16-bit ISA                              
          Card Size              Full height, half length                
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function       | Label |      Function       | Label |
          |----------------------+-------+---------------------+-------|
          | Telephone line out   |  CN1  | Telephone line in   |  CN2  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SUPPORTED STANDARD COMMANDS                 |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | +++, ‘comma’, A/                                           |
          |------------------------------------------------------------|
          | A, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z                |
          |------------------------------------------------------------|
          | &C, &D, &F, &G, &K, &P, &S, &T, &W, &Y, &Z                 |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \A, \B, \G, \K, \L, \N                                     |
          |------------------------------------------------------------|
          | %C, %L, %Q                                                 |
          |------------------------------------------------------------|
          |                    Special AT Commands                     |
          |------------------------------------------------------------|
          | #CID                                                       |
          |------------------------------------------------------------|
          |                        S-Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S18, S25, S30, S32, S33, S38, S86, S91                     |
          |------------------------------------------------------------|
          |      Note: See MHI help file for complete information.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   UNIDENTIFIED COMMANDS                    |
          |------------------------------------------------------------|
          |           Command            |           Default           |
          |------------------------------+-----------------------------|
          |             S34              |             13              |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |         AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-retrain mode and              |
          |              | fallback/fall-forward.                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %E0      | Auto-retrain disabled.                      |
          |--------------+---------------------------------------------|
          |     %E1      | Auto-retrain enabled.                       |
          |--------------+---------------------------------------------|
          |    í %E2     | Auto-retrain and auto-fallback/fall-forward |
          |              | enabled.                                    |
          |--------------+---------------------------------------------|
          |     %E3      | Auto-retrain and fast hangup enabled.       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  COMMUNICATION PROTOCOLS                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Bn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the communication protocol for      |
          |              | low-speed data calls.                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Protocol                   |
          |--------------+---------------------------------------------|
          |      B0      | Modem will use ITU-T V.22 at 1200bps.       |
          |--------------+---------------------------------------------|
          |     í B1     | Modem will use Bell 212A at 1200bps.        |
          |--------------+---------------------------------------------|
          |      B2      | Modem will use ITU-T V.23 at 1200/75bps.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COUNTRY CODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %In [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the modem's country code to the        |
          |              | country specified.                          |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %I1      | Set country code for the United States.     |
          |--------------+---------------------------------------------|
          |     %I2      | Set country code for France.                |
          |--------------+---------------------------------------------|
          |     %I3      | Set country code for Germany.               |
          |--------------+---------------------------------------------|
          |     %I4      | Set country code for Italy.                 |
          |--------------+---------------------------------------------|
          |     %I5      | Set country code for Sweden.                |
          |--------------+---------------------------------------------|
          |     %I6      | Set country code for the United Kingdom.    |
          |--------------+---------------------------------------------|
          |     %I7      | Set country code for Japan.                 |
          |--------------+---------------------------------------------|
          |     %I8      | Set country code for Australia.             |
          |--------------+---------------------------------------------|
          |     %I9      | Set country code for Spain.                 |
          |--------------+---------------------------------------------|
          |     %I10     | Set country code for Taiwan.                |
          |--------------+---------------------------------------------|
          |     %I11     | Set country code for Singapore.             |
          |--------------+---------------------------------------------|
          |     %I12     | Set country code for Korea.                 |
          |--------------+---------------------------------------------|
          |     %I13     | Set country code for Switzerland.           |
          |--------------+---------------------------------------------|
          |     %I14     | Set country code for Norway.                |
          |--------------+---------------------------------------------|
          |     %I15     | Set country code for the Netherlands.       |
          |--------------+---------------------------------------------|
          |     %I16     | Set country code for Belgium.               |
          |--------------+---------------------------------------------|
          |     %I17     | Set country code for Canada.                |
          |--------------+---------------------------------------------|
          |     %I18     | Set country code for Ireland.               |
          |--------------+---------------------------------------------|
          |     %I19     | Set country code for Portugal.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COUNTRY CODE (CON'T)                    |
          |------------------------------------------------------------|
          |  Command   |                   Function                    |
          |------------+-----------------------------------------------|
          |    %I20    | Set country code for Poland.                  |
          |------------+-----------------------------------------------|
          |    %I21    | Set country code for Hungary.                 |
          |------------+-----------------------------------------------|
          |    %I22    | Set country code for Finland.                 |
          |------------+-----------------------------------------------|
          |    %I23    | Set country code for Denmark.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       CPU ALLOCATION                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 7                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 9                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 10% of total CPU time                       |
          |--------------+---------------------------------------------|
          | Description: | Selects the maximum amount of CPU           |
          |              | processing time the modem will use. Setting |
          |              | %N to 0 disables dynamic CPU allocation.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DIAL                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] D<#>;[cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Dials the telephone number indicated        |
          |              | according to any modifiers included in the  |
          |              | string.                                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      DL      | Re-dial last number.                        |
          |--------------+---------------------------------------------|
          |     DS=n     | Dial stored telephone number n.             |
          |--------------+---------------------------------------------|
          |      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 Quiet 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^      | Calling tone enabled for this call.         |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                DISPLAY CHIPSET MANUFACTURER                |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #MFR? [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Displays the voice chipset manufacturer’s   |
          |              | name.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DISPLAY CHIPSET MODEL NAME                 |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #MDL? [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Displays the model name of the modem's      |
          |              | voice chipset.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DISPLAY CHIPSET REVISION                  |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #REV? [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Displays the revision level of the modem's  |
          |              | voice chipset.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DISPLAY INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested about the    |
          |              | modem.                                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Displays product identification code.       |
          |--------------+---------------------------------------------|
          |      I1      | Displays hardware variation code.           |
          |--------------+---------------------------------------------|
          |      I2      | Displays internal code.                     |
          |--------------+---------------------------------------------|
          |      I3      | Displays firmware revision.                 |
          |--------------+---------------------------------------------|
          |      I4      | Displays feature bitmap.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DISPLAY PROFILES                      |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Displays the stored profile requested.      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &V0      | Displays the active profile.                |
          |--------------+---------------------------------------------|
          |     &V1      | Displays stored profiles.                   |
          |--------------+---------------------------------------------|
          |     &V2      | Displays phone numbers stored with the &Z   |
          |              | command.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             ESCAPE SEQUENCE - INVALID SEQUENCE             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the modem's response when an invalid   |
          |              | TIES escape sequence is entered, but the OK |
          |              | response code has already been sent.        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *Q0      | Modem returns CONNECT response.             |
          |--------------+---------------------------------------------|
          |     *Q1      | Modem does not return CONNECT response.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         LINE SPEED                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S37=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum allowable data exchange    |
          |              | rate attempted during handshake process.    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S37=0    | Auto-detect fastest common speed.           |
          |--------------+---------------------------------------------|
          |    S37=3     | Set speed to 300bps.                        |
          |--------------+---------------------------------------------|
          |    S37=4     | Set speed to 1200bps.                       |
          |--------------+---------------------------------------------|
          |    S37=6     | Set speed to 2400bps.                       |
          |--------------+---------------------------------------------|
          |    S37=7     | Set speed to 4800bps.                       |
          |--------------+---------------------------------------------|
          |    S37=8     | Set speed to 7200bps.                       |
          |--------------+---------------------------------------------|
          |    S37=9     | Set speed to 9600bps.                       |
          |--------------+---------------------------------------------|
          |    S37=10    | Set speed to 12Kbps.                        |
          |--------------+---------------------------------------------|
          |    S37=11    | Set speed to 14.4Kbps.                      |
          |--------------+---------------------------------------------|
          |    S37=12    | Set speed to 28.8Kbps.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       MODE SELECTION                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #CLS=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects which mode the modem will operate   |
          |              | in.                                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    #CLS=0    | Modem will operate in data mode.            |
          |--------------+---------------------------------------------|
          |    #CLS=1    | Modem will operate in fax class 1 mode.     |
          |--------------+---------------------------------------------|
          |    #CLS=8    | Modem will operate in voice mode.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      TEST MODE - PTT                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Pnn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Send PTT test signals for line tests.       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %P00     | Send DTMF digit 0.                          |
          |--------------+---------------------------------------------|
          |     %P01     | Send DTMF digit 1.                          |
          |--------------+---------------------------------------------|
          |     %P02     | Send DTMF digit 2.                          |
          |--------------+---------------------------------------------|
          |     %P03     | Send DTMF digit 3.                          |
          |--------------+---------------------------------------------|
          |     %P04     | Send DTMF digit 4.                          |
          |--------------+---------------------------------------------|
          |     %P05     | Send DTMF digit 5.                          |
          |--------------+---------------------------------------------|
          |     %P06     | Send DTMF digit 6.                          |
          |--------------+---------------------------------------------|
          |     %P07     | Send DTMF digit 7.                          |
          |--------------+---------------------------------------------|
          |     %P08     | Send DTMF digit 8.                          |
          |--------------+---------------------------------------------|
          |     %P09     | Send DTMF digit 9.                          |
          |--------------+---------------------------------------------|
          |     %P10     | Send DTMF digit A.                          |
          |--------------+---------------------------------------------|
          |     %P11     | Send DTMF digit B.                          |
          |--------------+---------------------------------------------|
          |     %P12     | Send DTMF digit C.                          |
          |--------------+---------------------------------------------|
          |     %P13     | Send DTMF digit D.                          |
          |--------------+---------------------------------------------|
          |     %P14     | Send DTMF digit *.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  TEST MODE - PTT (CON'T)                   |
          |------------------------------------------------------------|
          | Command |                     Function                     |
          |---------+--------------------------------------------------|
          |  %P15   | Send DTMF digit #.                               |
          |---------+--------------------------------------------------|
          |  %P16   | Send V.21 channel 1 mark symbol.                 |
          |---------+--------------------------------------------------|
          |  %P17   | Send V.21 channel 2 mark symbol.                 |
          |---------+--------------------------------------------------|
          |  %P18   | Send V.23 backward channel mark symbol.          |
          |---------+--------------------------------------------------|
          |  %P19   | Send V.23 forward channel mark symbol.           |
          |---------+--------------------------------------------------|
          |  %P20   | Send V.22 originate mark symbol.                 |
          |---------+--------------------------------------------------|
          |  %P21   | Send V.22bis originate mark symbol.              |
          |---------+--------------------------------------------------|
          |  %P22   | Send V.22 answer signal with guard tone if       |
          |         | required.                                        |
          |---------+--------------------------------------------------|
          |  %P23   | Send V.22bis answer signal with guard tone if    |
          |         | required.                                        |
          |---------+--------------------------------------------------|
          |  %P24   | Send V.21 channel 1 space symbol.                |
          |---------+--------------------------------------------------|
          |  %P25   | Send V.21 channel 2 space symbol.                |
          |---------+--------------------------------------------------|
          |  %P26   | Send V.23 backward channel space symbol.         |
          |---------+--------------------------------------------------|
          |  %P27   | Send V.23 forward channel space symbol.          |
          |---------+--------------------------------------------------|
          |  %P28   | Send V.32 9600bps carrier.                       |
          |---------+--------------------------------------------------|
          |  %P29   | Send V.32bis 14.4Kbps carrier.                   |
          |---------+--------------------------------------------------|
          |  %P30   | Send silence (on-line), i.e., go off-hook.       |
          |---------+--------------------------------------------------|
          |  %P31   | Send V.25 answer tone.                           |
          |---------+--------------------------------------------------|
          |  %P32   | Send 1800 Hz guard tone.                         |
          |---------+--------------------------------------------------|
          |  %P33   | Send 1300Hz V.25 calling tone.                   |
          |---------+--------------------------------------------------|
          |  %P34   | Send 1100Hz fax calling tone.                    |
          |---------+--------------------------------------------------|
          |  %P35   | Send V.21 channel 2 mark symbol.                 |
          |---------+--------------------------------------------------|
          |  %P36   | Send V.27ter 2400bps carrier.                    |
          |---------+--------------------------------------------------|
          |  %P37   | Send V.27ter 4800bps carrier.                    |
          |---------+--------------------------------------------------|
          |  %P38   | Send V.29 7200bps carrier.                       |
          |---------+--------------------------------------------------|
          |  %P39   | Send V.29 9600bps carrier.                       |
          |---------+--------------------------------------------------|
          |  %P40   | Send V.17 7200bps long train carrier.            |
          |---------+--------------------------------------------------|
          |  %P41   | Send V.17 7200bps short train carrier.           |
          |---------+--------------------------------------------------|
          |  %P42   | Send V.17 9600bps long train carrier.            |
          |---------+--------------------------------------------------|
          |  %P43   | Send V.17 9600bps short train carrier.           |
          |---------+--------------------------------------------------|
          |  %P44   | Send V.17 12Kbps long train carrier.             |
          |---------+--------------------------------------------------|
          |  %P45   | Send V.17 12Kbps short train carrier.            |
          |---------+--------------------------------------------------|
          |  %P46   | Send V.17 14.4Kbps long train carrier.           |
          |---------+--------------------------------------------------|
          |  %P47   | Send V.17 14.4Kbps short train carrier.          |
          |---------+--------------------------------------------------|
          |  %P48   | Send V.34 2400bps carrier.                       |
          |---------+--------------------------------------------------|
          |  %P49   | Send V.34 4800bps carrier.                       |
          |---------+--------------------------------------------------|
          |  %P50   | Send V.34 7200bps carrier.                       |
          |---------+--------------------------------------------------|
          |  %P51   | Send V.34 9600bps carrier.                       |
          |---------+--------------------------------------------------|
          |  %P52   | Send V.34 12Kbps carrier.                        |
          |---------+--------------------------------------------------|
          |  %P53   | Send V.34 14.4Kbps carrier.                      |
          |---------+--------------------------------------------------|
          |  %P54   | Send V.34 16.8Kbps carrier.                      |
          |---------+--------------------------------------------------|
          |  %P55   | Send V.34 19.2Kbps carrier.                      |
          |---------+--------------------------------------------------|
          |  %P56   | Send V.34 21.6Kbps carrier.                      |
          |---------+--------------------------------------------------|
          |  %P57   | Send V.34 24Kbps carrier.                        |
          |---------+--------------------------------------------------|
          |  %P58   | Send V.34 26.4Kbps carrier.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  TEST MODE - PTT (CON'T)                   |
          |------------------------------------------------------------|
          | Command |                     Function                     |
          |---------+--------------------------------------------------|
          |  %P59   | Send V.34 28.8Kbps carrier.                      |
          |---------+--------------------------------------------------|
          |  %P60   | Send V.32bis 9600bps carrier.                    |
          |---------+--------------------------------------------------|
          |  %P61   | Send V.32bis 12Kbps carrier.                     |
          |---------+--------------------------------------------------|
          |  %P62   | Send Bell 212A originate carrier.                |
          |---------+--------------------------------------------------|
          |  %P63   | Send Bell 212A answer carrier.                   |
          |---------+--------------------------------------------------|
          |  %P64   | Send Bell 103 originate mark signal.             |
          |---------+--------------------------------------------------|
          |  %P65   | Send Bell 103 originate space signal.            |
          |---------+--------------------------------------------------|
          |  %P66   | Send Bell 103 answer mark symbol.                |
          |---------+--------------------------------------------------|
          |  %P67   | Send Bell 103 answer space symbol.               |
          |---------+--------------------------------------------------|
          | %P99,n  | Range:       | 0 - 23                            |
          |---------+--------------+-----------------------------------|
          |         | Unit:        | 150 Hz                            |
          |---------+--------------+-----------------------------------|
          |         | Description: | The modem will return the         |
          |         |              | strength of the signal at the     |
          |         |              | specified frequency.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    SPEAKERPHONE OPTIONS                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #SPK=x,y,z [cmds]                 |
          |--------------+---------------------------------------------|
          | Description: | Sets various options for speakerphone       |
          |              | functions.                                  |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      x=0      | Microphone enabled.                        |
          |---------------+--------------------------------------------|
          |      x=1      | Microphone disabled.                       |
          |---------------+--------------------------------------------|
          |      x=2      | Microphone enabled with maximum gain,      |
          |               | speaker disabled.                          |
          |---------------+--------------------------------------------|
          |       y       | Default:     | 5                           |
          |---------------+--------------+-----------------------------|
          |               | Range:       | 0 - 16                      |
          |---------------+--------------+-----------------------------|
          |               | Unit:        | -2 dBm                      |
          |---------------+--------------+-----------------------------|
          |               | Description: | Sets the attenuation level  |
          |               |              | for speaker output in voice |
          |               |              | mode. A value of 16 will    |
          |               |              | mute the speaker.           |
          |---------------+--------------------------------------------|
          |      z=0      | Microphone gain set to 0 dBm.              |
          |---------------+--------------------------------------------|
          |      z=1      | Microphone gain set to 6 dBm.              |
          |---------------+--------------------------------------------|
          |      z=2      | Microphone gain set to 9.5 dBm.            |
          |---------------+--------------------------------------------|
          |      z=3      | Microphone gain set to 12 dBm.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TONE DETECTION                       |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] #VTD=x,y,z [cmds]               |
          |----------------+-------------------------------------------|
          | Default:       | x,y,z 63                                  |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 63                                    |
          |----------------+-------------------------------------------|
          | Description:   | Sets which tones the tone detection will  |
          |                | report.                                   |
          |----------------+-------------------------------------------|
          | Note:          | The value of x sets the tone detection    |
          |                | modes in voice transmit mode, y sets them |
          |                | in voice receive mode, and z sets them in |
          |                | voice command mode.                       |
          |------------------------------------------------------------|
          |   Bit   | Value |                 Function                 |
          |---------+-------+------------------------------------------|
          |    0    |     0 | DTMF tones are not detected.             |
          |         |       |                                          |
          |         |   í 1 | DTMF tones are detected.                 |
          |------------------------------------------------------------|
          |      1      |  0 | V.25 1300Hz calling tone is not         |
          |             |    | detected.                               |
          |             |  í |                                         |
          |             |  1 | V.25 1300Hz calling tone is detected.   |
          |-------------+----+-----------------------------------------|
          |      2      |  0 | T.30 1100Hz fax tone is not detected.   |
          |             |    |                                         |
          |             |  í | T.30 1100Hz fax tone is detected.       |
          |             |  1 |                                         |
          |-------------+----+-----------------------------------------|
          |      3      |  0 | V.25/T.30 2100Hz answer tone is not     |
          |             |    | detected.                               |
          |             |  í |                                         |
          |             |  1 | V.25/T.30 2100Hz answer tone is         |
          |             |    | detected.                               |
          |-------------+----+-----------------------------------------|
          |      4      |  0 | Bell 2225Hz answer tone is not          |
          |             |    | detected.                               |
          |             |  í |                                         |
          |             |  1 | Bell 2225Hz answer tone is detected.    |
          |-------------+----+-----------------------------------------|
          |      5      |  0 | Call progress tones are not detected.   |
          |             |    |                                         |
          |             |  í | Call progress tones are detected.       |
          |             |  1 |                                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               TONE GENERATOR - DIRECT ENTRY                |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VTS=[m, n, x]                    |
          |--------------+---------------------------------------------|
          | Range:       | m 200-3000, n 200-3000, x 0-255             |
          |--------------+---------------------------------------------|
          | Unit:        | m 1 Hz, n 1 Hz, x .1 second                 |
          |--------------+---------------------------------------------|
          | Description: | Generates a dual-frequency tone for         |
          |              | duration x at frequencies m and n.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             TONE GENERATOR - TIMED PHONE KEYS              |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VTS={a, n}                       |
          |--------------+---------------------------------------------|
          | Range:       | a 0-9, A-D, #, *; x 0-255                   |
          |--------------+---------------------------------------------|
          | Unit:        | x .1 second                                 |
          |--------------+---------------------------------------------|
          | Description: | Generates the DTMF tone for duration x for  |
          |              | the character a.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   TONE GENERATOR LENGTH                    |
          |------------------------------------------------------------|
          | Format       | AT [cmds] #VBT=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 40                                      |
          |--------------+---------------------------------------------|
          | Unit:        | 0.1 second                                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the length of DTMF tones that are      |
          |              | generated.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TRELLIS CODING                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will use trellis  |
          |              | coding.                                     |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |         í &U0         | Trellis coding enabled.            |
          |-----------------------+------------------------------------|
          |          &U1          | Trellis coding disabled.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       V.34 BAUD RATE                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S35=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum baud rate for V.34.        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S35=0    | Maximum baud rate set to 2400 baud.         |
          |--------------+---------------------------------------------|
          |    S35=1     | Maximum baud rate set to 2743 baud.         |
          |--------------+---------------------------------------------|
          |    S35=2     | Maximum baud rate set to 2800 baud.         |
          |--------------+---------------------------------------------|
          |    S35=3     | Maximum baud rate set to 3000 baud.         |
          |--------------+---------------------------------------------|
          |    S35=4     | Maximum baud rate set to 3200 baud.         |
          |--------------+---------------------------------------------|
          |    S35=5     | Maximum baud rate set to 3429 baud.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     VOICE BUFFER SPACE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VSK=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 255                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 byte                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the amount of data the modem can send  |
          |              | into the buffer after the XOFF signal is    |
          |              | sent.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        VOICE DEVICE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VLS=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects the I/O device for the DSP chip.    |
          |--------------+---------------------------------------------|
          | Note:        | This modem may not support all options      |
          |              | listed below. The #VLS? command will        |
          |              | display the available options.              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í #VLS=0   | Telephone line and handset used for voice   |
          |              | I/O.                                        |
          |--------------+---------------------------------------------|
          |    #VLS=1    | Telephone handset used for voice I/O.       |
          |--------------+---------------------------------------------|
          |    #VLS=2    | Internal speaker only used for voice I/O.   |
          |--------------+---------------------------------------------|
          |    #VLS=3    | External microphone only used for voice     |
          |              | I/O.                                        |
          |--------------+---------------------------------------------|
          |    #VLS=4    | Telephone line and handset used for voice   |
          |              | I/O; internal speaker enabled.              |
          |--------------+---------------------------------------------|
          |    #VLS=6    | Speakerphone used for voice I/O.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                VOICE - DISPLAY BUFFER SIZE                 |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VBQ? [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Displays the size of the voice buffer.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              VOICE - DISPLAY COMPRESSION TYPE              |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VCI? [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Displays the type of compression currently  |
          |              | in use.                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      VOICE GAIN LEVEL                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #RG=hhhh [cmds]                   |
          |--------------+---------------------------------------------|
          | Default:     | 7FFF                                        |
          |--------------+---------------------------------------------|
          | Range:       | 0000 - 7FFF                                 |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified (hexadecimal)                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the gain level for recording audio in  |
          |              | voice mode.                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              VOICE - LOCAL SERIAL PORT SPEED               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #BDR=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 48                                      |
          |--------------+---------------------------------------------|
          | Unit:        | 2400bps                                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed of the local serial port     |
          |              | when in voice mode. A value of 0 indicates  |
          |              | that the modem should auto-detect the       |
          |              | correct serial port speed.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VOICE RE-RING DETECT TIME                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VRA=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 70                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 10 mS                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum time the modem will wait   |
          |              | for the remote station to ring again before |
          |              | it assumes that it has gone off-hook.       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       VOICE RECEIVE                        |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VRX                              |
          |--------------+---------------------------------------------|
          | Description: | Commands the modem to begin receiving voice |
          |              | data.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   VOICE RING DETECT TIME                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VRN=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum time the modem will wait   |
          |              | for the remote station to ring before it    |
          |              | assumes that it went off-hook before it     |
          |              | rang.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                VOICE SILENCE DETECTION TIME                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VSP=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Sets the minimum amount of silence that the |
          |              | modem will detect.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             VOICE SILENCE DETECTION THRESHOLD              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VSS=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the threshold of sensitivity that the  |
          |              | modem uses to determine silence detection.  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    #VSS=0    | Silence detection disabled.                 |
          |--------------+---------------------------------------------|
          |    #VSS=1    | Minimum silence detection sensitivity.      |
          |--------------+---------------------------------------------|
          |    #VSS=2    | Standard silence detection sensitivity.     |
          |--------------+---------------------------------------------|
          |    #VSS=3    | Maximum silence detection sensitivity.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  VOICE TRANSMISSION LEVEL                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #TL=hhhh [cmds]                   |
          |--------------+---------------------------------------------|
          | Default:     | 3FFF                                        |
          |--------------+---------------------------------------------|
          | Range:       | 0000 - 7FFF                                 |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified (hexadecimal)                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the transmission level for sending     |
          |              | audio in voice mode.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       VOICE TRANSMIT                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VTX                              |
          |--------------+---------------------------------------------|
          | Description: | Commands the modem to begin transmitting    |
          |              | voice data.                                 |
          +------------------------------------------------------------+