G1E Programming Manual
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DISA and Auto Attendant operation
DISA operation includes the Auto Attendant for handling Caller selected routing for incoming calls and the option
to dial through the system utilizing system trunks to dial to another destination.. It operates on any inwards
ringing trunk except for Direct Indial calls ringing their assigned station. If the customer requires callers to be
able to dial a destination then the system should be set for Auto Attendant (DISA) operation.
Incoming callers can be given the option of dialling a full extension number, a single digit to a multiple number of
destinations or selecting an outside trunk, entering a password and dialling back into the network to another
destination.
DISA when enabled answers incoming calls after a programmable time interval, plays a message to the caller
giving them the dialling options, waiting a period of time to allow dialling to take place and then if nothing is
dialed or an invalid number is dialled it will play the invalid number dialled message and then normally transfer
the call to the operator(s). It is also possible to program the system to disconnect these calls.
Several pre-recorded messages are programmed for DISA operation to play after a programmed time interval to
indicate the progress of the call including Console Busy, extension busy, extension no answer even a call cut off
message if absolutely necessary. Messages will repeat at the time intervals specified until the caller is answered
if full supervision is available when the caller hangs up..
A trunk which is answered by DISA will indicate solid red on the trunk DSS key after being answered by DISA.
Until answered it will ring on ring assigned stations and can be answered by these stations until the DISA cuts in.
If however the caller is being played a Voice message then they will not be automatically answered until the
message is complete and they are returned to the ringing state.
Clear down of unanswered calls.
Once a call has been answered by the system then there is an issue of what happens if the caller hangs up
before being answered. In default this call will continue to ring until answered by an operator or being cut off by
the Timers in mode 05-08-06 and the number of retries allowed in Mode 05-11-06. This will become annoying to
operators if they are continually answering calls and hearing busy tone. On the G2 there are 3 options to clear
down calls. The first and most desirable option is to use DISA busy tone detect which will set the VMU to listen
for busy tone received when the incoming caller hangs up and clear down the call. Also available are the Polarity
reversal for incoming calls or Clear Forward depending on the country. These are features that are provide by
the Central Office and will need to be enabled. In some cases there will be charges involved.
Related programming modes
05-01-04 DISA answer delay time – Day
05-11-04 DISA answer delay time – Night
05-06-05 Polarity Reversal for Incoming calls (Australia)
05-06-06 Unsupervised conference and ECF setting.
05-07-04 DISA transfer to console – no dialling.
05-08-06 DISA Transfer time – Busy/No Answer
05-08-07 DISA Transfer time no dialling
05-09-03 Clear Forward Signal detection (NZ, USA and other markets)
05-09-04 DISA busy tone detect
05-11-04 DISA Special function access
05-11-06 DISA retry times
05-11-08 DISA Single digit dialling enable
05-15-01 Extended VMU service
05-16-03 DISA Single Digit Dialling level
05-16-04 VMU Language service
05-17-04 DISA Access delay time – lunch
10-gp DISA Single digit destination
13-02 DISA password setting
35-tk-04 DISA enable
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