ATT DEFINITY Communications System Generic 3 Instructions Manual

Automatic Circuit Assurance (ACA)
Issue  3   March 1996
3-197
When ACA is enabled by the System Manager, the ACA measurements are 
made and the audit trail is u pdated each time a  preset counter threshold is 
reached.  However, in order for a referral call to be sent, ACA referral must be 
activated.  ACA referral is activated whenever an attendant or user presses an 
ACA b utton.  When this is done, the system can send referral calls to the 
destination specified by the System Manager.
The referral...

Feature Descriptions
3-198Issue  3   March 1996 
With the above information, assume a call is ma de on a trunk in trunk group 3 
and the call lasts more than one hour.  Then, the threshold for the long holding 
time counter is reached, a referral call is made to extension 389, the display 
reflects a long holding time call, and the information is entered in the audit trail.
The referral destination can then have the operation of the trunk checked and 
taken out of service if defective.
Considerations
The...

Automatic Circuit Assurance (ACA)
Issue  3   March 1996
3-199
Referral calls will not be placed if the system is in the Night Service mo de.
nVisually Impaired Attendant Service
Automatic Circuit Assurance applies for both Station and Attendant users. 
However:
— If the attendant presses the D
I SPL A Y STATUS button and an incoming 
ACA call has not been answered, then Automatic Circuit 
Assurance is voiced to the visually-impaired attendant.
— If the attendant  presses the D
ISPLAY STA TU S button and...

Feature Descriptions
3-200Issue  3   March 1996 
Hardware and Software Requirements
A TN725 Speech Synthesizer circ uit pack is required if the referral destination is 
not a disp lay-equipped voice terminal. A TN457 Speech Synthesizer circuit pack 
is required to hear ACA messages is English, and a TN433 Speech Synthesizer 
circuit pack is required to hear ACA messages in Italian.
No a d ditional software is required. 

Automatic Incoming Call Disp lay
Issue  3   March 1996
3-201
Automatic Incoming Call Display
Feature Availability
Display of Incoming Calls is available with all Generic 3 releases.
Description
Provides display-equipped voice terminal users who are already active on a call 
with the i dentity of a second or subsequent caller. The identity is automatically 
displayed on the terminal’s alphanumeric terminal for 30 seconds. The d isplays 
(which are administrable) can be in English, French, Italian, or...

Feature Descriptions
3-202Issue  3   March 1996 
The display must be in the normal mode to display the identity of the incoming 
call. The Automatic Incoming Call Disp lay does not apply under the following 
conditions:
nThe called station user is not off-hook on a call.
nThe called user’s display is turned OFF.
nThe called user’s display is in any other mode other than normal mode.
nThe called station is being dialed.
Interactions
This feature enhances the Voice Terminal Display feature by providing...

Automatic Route Selection (ARS)
Issue  3   March 1996
3-203
Automatic Route Selection (ARS)
Feature Availability
This feature is optional with all Generic 3 releases.
Description
Routes calls over the public network based on the preferred (normally the least 
expensive) route available at the time the call is placed.
ARS provides a choice of routes for any given public network call. The following 
types of trunk groups can be accessed by ARS:
nLocal central office — Used for local calls and to provide...

Feature Descriptions
3-204Issue  3   March 1996 
access Bypass Tie Trunks to an ETN main switch. This d istinction as a tandem 
switch is important with respect to the routing of certain calls.
ARS Dialing
ARS begins when a user dials the ARS access code (normally the digit 9), 
followed by the number to be called.
As soon as the user dials the ARS access code, the system checks to see if the 
user’s voice terminal extension has been Origination Restricted or Outward 
Restricted b y its assigned COR. The...

Automatic Route Selection (ARS)
Issue  3   March 1996
3-205
— Some metropolitan areas are so densely populated that there 
simply are not enough traditional central office codes.  Therefore, it 
is possible that some NPA c o des, also called 
area c o des may also 
serve as CO codes.  In this case, the digit 1 must be dialed if a 
10-digit call is intended.  The first digit tells the system whether to 
route the call as a seven-digit call within the home NPA (1 not 
dialed) or as a 10-digit call to...

Feature Descriptions
3-206Issue  3   March 1996 
nOperator Assisted and International Calls 
The first di gits following the ARS access code are 0 (operator) or 00 (toll 
operator) optionally followed by a 10-digit DDD number, or 01 or 010 
(international o perator) for international dialing followed by international 
destination a ddress digits.  Because of the variable numb er of digits 
required on these calls, an inter-digit time-out is used to recognize end of 
dialing.
nSpecial Service Codes 
The...