Dialogic M7324 Manual De Usuario

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4.  PBX Systems 
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4.3.6.  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 programming keys.  
The Dialogic
®
 PBX Integration Board can perform both supervised and blind 
transfers (refer to Sections 
 and 
). If a blind transfer is performed, the PBX controls where the call is 
routed if the extension is busy or does not answer. If a supervised transfer is 
performed, your application can implement call progress analysis (CPA) and 
called/calling number ID to intelligently control where the call is routed (by 
completing or aborting the transfer) and what type of message is played if the 
call extension is busy or does not answer. Because of this capability, 
supervised transfer is a comparatively preferred method.  
Initiating a Transfer 
Once in a connected call, you can initiate a transfer using dx_dial(&,<ext>) 
where & acts as a key press of the transfer key and <ext> is the PBX 
extension to which you are transferring the call.  
Completing a Transfer  
To complete a call (supervised or blind) simply go on-hook using the 
dx_sethook( ) function.  
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