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Dialogic
®
PBX Integration Board User’s Guide
LED indicators data. Byte 17 contains the Message Waiting indicator status
(0x00 is off; 0x70 is on). Refer to the Dialogic
®
PBX Integration Software
Reference
for more information about using the d42_indicators( ) function.
Example
An application uses the d42_indicators( ) function to retrieve the LED
indicators data for a specified channel on a Dialogic
®
PBX Integration Board
to determine if a message is waiting. The LED indicators data is shown below.
The data 0x00 shows that the MWI indicator is off (there are no messages
waiting).
Line Key 1
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 xx 00 00 00 xx 00 00 00
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
00 00 xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
Line Key 2
Line Key 3
Line Key 4
Line Key 5
Line Key 6
Line Key 7
Line Key 8
Line Key 9
Line Key 10
Line Key 11
Line Key 12
Line Key 13
Line Key 14
Line Key 15
Line Key 16
Not Used
MWI
CNF Key
FCN Key
Not Used
LNR/SPD Key
ANS Key
SPKR Key
Data
Byte
Data
Byte
ICM
MIC
4.7.8. Transferring a Call
The Dialogic
®
PBX Integration Board can transfer calls using the dx_dial( )
function. By using the dx_dial( ) function and the appropriate dial string, the
PBX Integration Board can transfer a call to any extension connected to the
switch. Refer to the Dialogic
®
PBX Integration Software Reference for more
information about dialing programmable keys.
The Dialogic
®
PBX Integration Board can perform both supervised and blind
transfers (refer to Sections
2.1. Supervised Call Transfer and 2.2. Blind Call
Transfer
). If a blind transfer is performed, the PBX controls where the call is
routed if the called extension is busy or does not answer. If a supervised
transfer is performed, your application can implement call progress analysis
and called/calling number ID to intelligently control where the call is routed
and what type of message is played if the called extension is busy or does not
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