PBX Integration Board User's Guide

Dialogic
®
PBX Integration Board User’s Guide
number of the telephone placing the call) to the station set between the first
and second rings. The station set processes the data and sends an ID message
to the display. The calling number ID data sent from the PBX to the station set
differs from the calling number ID data presented on the display.
When placing a call to another extension, the called number ID (by default,
the extension of the telephone being called) is shown in the display.
Both the calling and called number IDs can be retrieved using the
d42_gtcallid( ) function. The d42_gtcallid( ) function retrieves the
called/calling number ID message sent from the PBX to the station set, not the
data sent to the display. Refer to the Dialogic
®
PBX Integration Software
Reference for more information about using d42_gtcallid( ) function.
The contents of the called/calling number ID are shown in Table 6 as seen by
the receiver of the call).
Table 6. Called/Calling Number ID Data for the Avaya Definity
Call Route Called/Calling Number ID
Data
Call received from station set 221 _221
Call originally received by extension
221, then forwarded to extension 224
224_221
Call originally received by extension 221
from trunk line 1, then forwarded to
D/82 (where trunk line 1 presents ANI
information, e.g., 716-621-8090)
221_761-621-8090
NOTE: The called/calling number ID can also be obtained using the
d42_displayex( ) function and parsing the display in the application.
However, you can use the d42_gtcallid( ) function so that your
application will maintain functionality across different
manufacturers’ switches.
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