[asterisk-dev] Inband RTP Ringback tone generator function

Alok Prasad alok.prasad7 at gmail.com
Sat Feb 19 18:39:35 CST 2011

In case of IVR, Asterisk is Sending ringback tone RTP to Caller if
called party is SIP endpoint,
but Its not sending in band RTP Ringback tone when i use some channel
Driver even though i am sending
proper ast_control_queue frame.

I tried some progressinband=yes and prematureaudio settings in
sip.conf with no diffrence .i am using .
Any idea which function actually Sends RTP Ringback tone ?

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