PBX Integration Board User's Guide

4. PBX Systems

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.

text

bb 2 2 4 _ 2 2 1

data

20 32 32 34 5F 32 32 31 xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx

byte

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

text

data

xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx

byte

24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

4.1.7. Setting the Message Waiting Indicator

The Dialogic

PBX Integration Board can set the Message Waiting Indicator

(on or off) on another extension using the dx_dial( ) function and the

appropriate dial string. Refer to the Dialogic

PBX Integration Software

Reference

for more information about dialing programmable keys.

NOTE: Message Waiting can also be set using the dx_dial( ) function and

the appropriate dial string to press the Feature Key assigned to send

messages. However, you can use the dx_dial( ) function as described

so that your application will maintain functionality across different

manufacturers’ switches.

MWI On

A technique to turn on the MWI in this switch, using dx_dial( ) with the dial

string, is to:

1. Go off-hook using dx_sethook( ) function.

2. Call the dx_dial() function. The dial string is

<ESCO><extension><ESCO> (optional pause character may be used).

3. Go on-hook using the dx_sethook( ) function again

NOTE: <ESCO> means the Escape character followed by O.