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4. PBX Systems
The Dialogic
®
PBX Integration Board can retrieve the information on its
alphanumeric display using the d42_display( ) function. The function places
the display data (48 bytes) in an application buffer. Refer to the Dialogic
®
PBX Integration Software Reference for more information about using the
d42_display( ) function.
Example
An application uses the dx_dial( ) function and the appropriate dial string to
press keys to dial extension number 1045. Then, the d42_display( ) function
is used to retrieve the display data and place it in an application buffer (shown
below). The information for the top row (first 24 characters) of the display is
checked. Data in bytes 00 through 05 indicate that extension 1045 is being
dialed.
data
61 32 01 00 04 05 20 20 20 20 20 20 20 20 20 20
byte
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15
data
20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
byte
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
data
20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
byte
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
Called/Calling Number ID (within the PBX)
If receiving a call on a Dialogic
®
PBX Integration Board from another
extension, the PBX sends calling number ID data (by default, the extension
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.
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