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DIRECT INWARD SYSTEM
ACCESS (DISA)
(continued)
TO CALL THROUGH YOUR SYSTEM ON AN OUTGOING CO
LINE USING DISA (Release 2 and higher)
1) Call the DISA CO line telephone number:
2) Listen for the ringback tone signal, and then listen for the
STRATA DK intercom dial tone’ (if busy tone is received, try
again).
3) Dial the access code3 (
) of the CO line or CO line group
that is to be used to place the outgoing call.
4A) If a DISA security code is required4, dial the code and listen
for CO dial tone.5
4B) If a DISA security code is not required, listen for CO dial
tone.
5) After receiving CO dial tone, dial the desired telephone
number.
6) A timer tone will sound6 approximately four minutes after
the time the call was made. Dial 1 to reset the timer7 each
time the tone sounds (this allows an additional four minutes
of conversation).
7) Hang up when the call is completed.
NOTES:
1. Dial tone will be present for 10 seconds to allow direct
dialing of station intercom number or CO line access
code. If a number is not dialed, the system automati-
ca/ly causes the DISA CO line to ring at telephones as
a normal incoming call. However, if the call is not
answered within 15 seconds after the ringing starts, it
will disconnect.
2A. If the station does not answer after six rings or twenty-
four seconds, whichever occurs first, a busy tone will
be sent. Diali to return to dial tone and dial the same
or another number.
DIRECT INWARD SYSTEM
ACCESS (DISA)
(continued)
2B. If you wish to call another station after completing a
DISA station call, it is necessary for the internal patty
to transfer your call.
3. A direct CO line or line group access code must be
dialed (701 N 736 or 81 w 88). The LCR code (9) is not
allowed.
4. The DISA security code is a system program option.
5. If the correct code is not entered, the call will be
disconnected.
6. Allpatties will hear the timer tone and timer reset DTMF
tone.
7. If the timer is not reset, the call will disconnect approxi-
mately one minute after the timer tone is sent.
8. Station and system page is not available to DISA
callers.
DISA SECURITY CODE ENTRY/CHANGE/CANCEL
From designated station(s) only.
1) Lift the handset.
l
Receive intercom dial tone.
2) Dial CI CL 0’ (3-digit access code).
l
Receive confirmation tone.
3) Dial the new DISA security code” (0 . . . Q-1 N 15 digits).
4) Press the m button.
l
Receive confirmation tone.
NOTES:
I. For security purposes, the 3-digit access code is not
published; it is available from your telephone system
maintenance provider.
2. If a DISA security code is not entered in step 3, the
security code will be cancelled and outgoing line ac-
cess via DISA will not require a security code.
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