            Miscellaneous Boxing Notes
                From Near and Far

-----------------------------------------------------------------
Boxes that do not work on ESS systems:
    Black
    Blue (will work off of 800's and various numbers)
-----------------------------------------------------------------
   Red boxing is perfectly possible in an ESS switching system.
In fact, it's actually a little easier, due to the fact that
most fortress fones in the ESS system are DTF (dial-tone first).
In other words, you can pick up a fortress fone, and there will
be a dial-tone 'before' you insert any money at all. From there
you simply blow your red box tones into the mouthpiece and
you're all set.

   In Step by Step systems, and most versions of Crossbar, you
are required to insert money before you get a dialtone (you need
the dialtone, to send your red box tones, as the mouthpiece is
actually 'disconnected' until money is inserted (earpiece also).
So here's where the 'Green Box' tones came in, after inserting
your initial dime to initiate dialtone, thus enabling the red
box tones to be accepted, after you finished the call, one would
have the 'called' party blow the Green Box, 'Coin Return' tones,
and have the original dime refunded. Note-> It -HAS- to be the
called phone that sends the coin return tone. You can't send
them yourself (from the fortress).

   In a CCITT (out band) system, all switching signal are sent
on a separate line other than the voice line, thus 'disabling'
boxing.

-----------------------------------------------------------------
               Multi-Frequency Tones

   A    697Hz + 1633Hz
   B    770Hz + 1633Hz
   C    852Hz + 1633Hz
   D    941Hz + 1633Hz
   1    700Hz +  900Hz
   2    700Hz + 1100Hz
   3    900Hz + 1100Hz
   4    700Hz + 1300Hz
   5    900Hz + 1300Hz
   6   1100Hz + 1300Hz
   7    700Hz + 1500Hz
   8    900Hz + 1500Hz
   9   1100Hz + 1500Hz
   0   1300Hz + 1500Hz
   KP  1100Hz + 1700Hz
   ST  1500Hz + 1700Hz
  *11   700Hz + 1700Hz
  *12   900Hz + 1700Hz
  *KP2 1300Hz + 1700Hz
   SF  2600Hz

  * = Used on CCITT System 5, for special international calling.

            Green Box Tones

   Coin Collect 700Hz + 1100Hz
   Coin Return 1100Hz + 1700Hz
   Ringback     700Hz + 1700Hz

             Money Tones

   Nickels  1 time  1700Hz + 2200Hz for 66msec.
   Dimes    2 times 1700Hz + 2200Hz for 66msec each
   Quarters 5 times 1700Hz + 2200Hz for 33msec each

----------------------------------------------------------------

    To do a verification of a number using a blue box, do the
following:

   1. Seize a trunk, wait for beep-chunk
   2. Dial (MF) KP+Your NPA

   3. Dial a two digit area identifier. These are one of the
following: 00, 11, 22, 33, 44, 55, 66, 77, 88, 99. Which one you
use depends on the NPA you give it. You'll have to find one that
works.

   4. Then dial NPA+###+####+ST where this is the number you
wish to verify. You'll hear the trunks clicking a bit, then a
beep and you'll be on the line. The voices will be scrambled,
though. The verify lasts about 20-40 seconds.

------------------------------------------------------------------

   To box an overseas call:

   1. Seize a trunk with 2600Hz

   2. Dial KP+NPA+SENDER+ST
      Where SENDER is an overseas routing station, such as :
      182 - White Plains, NY
      184 - New York, NY
      185 - Pittsburg, PA
      186 - Orlando, FL

   3. Dial KP+X+CC+CI.C+LN+ST
      Where CC = Country Code
          CI.C = City Code
            LN = Local Number
      X is a number sometimes required to be entered for some
stations. 0 gives a satellite, and 1 links via cable (better
connection).

    Try KP+914+182+ST
   then KP+34+1+254+5400+ST
        (Hotel in Spain)

 KP+000+0000+ST will tell you what switching station you are
routed through.

-----------------------------------------------------------------

           Table of Proposed Standard Audible Tones in North
America (From CCITT Document AP III-84)

Use       Frequency in Hz   Power at CO   Timing
          350 440 480 620
===============================================
Dial Tone  X   X             -13 DB     continuous

Busy Tone          X   X     -24 DB     .5 sec on/off

Reorder            X   X     -24 DB     .2 sec on .3 sec off

Audible        X   X         -16 DB     2 sec on/4 sec off
Ringing

High Tone          X         -16 DB     varies with use

Pre-exemption  X       X     -18 DB     single 200/500 msec
Tone

Call Waiting   X             -13 DB     single 500 msec
Tone
=============================================================
 High Tone is used in many ways. For example:

   1. Spurts of tone to indicate specific orders to operators in
the manual service (order tones).  2. To inform operators of
lines that are temporarily out of service.  3. To alert
customers that their services are in a permanent off-hook
condition.

 Pre-exemption Tones are used in certain private switched
networks which may interconnect with national networks.

 Frequency limits are +/- 0.5 % of nominal.

  
----------------------------------------------------------------

           TASI Locking Frequency

  TASI (time assignment speech interpolation) is used on
satellite trunks, and basically allows more than one person to
use a trunk by putting them on while the other person isn't
talking. Of course, you'd never hear the other person talking on
your trunk. When you start to talk, however, the TASI controller
has to find an open trunk for you. Because of this, some of your
speech is lost (because of the delay in finding a trunk). This
is called clipping. Not much of a problem for speech, but can
really mess up data transmissions. A TASI locking frequency
(1850 Hz) sent before transmittion will keep the TASI from
putting anyone else on your trunk, or you on anyone elses.

