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Example – Dialogic M7324 User Manual

Page 161

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4. PBX Systems

to the display. The calling number ID data sent from the PBX to the station set
may differ from the calling number ID data presented on the display.

If 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. Refer to the Dialogic

®

PBX Integration Software Reference for more

information about using d42_gtcallid( ) function. The content of the
called/calling number ID is shown in

Table 38

(as seen by the receiver of the

call).

Table 38. Called/Calling Number ID Data for the NEC (DTerm III)

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

NOTE:

The called/calling number ID can also be obtained using the
d42_display( ) 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.

Example

An application uses the d42_gtcallid( ) function to retrieve the calling number
ID for a call received on a specified channel on a Dialogic

®

PBX Integration

Board. The calling number ID data and corresponding ASCII values are
shown below.

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