[asterisk-users] Relay ringing sip message 180

[Khaled W. Chehab]

Dears

 

Asterisk is a median server between the caller and the terminations gateway

 

The  caller send the call to asterisk à asterisk will play music on hold
untill the termination gateway send 200 OK and the RTP establish

My problem that, Asterisk is not forwarding the 180 ringing  from the
termination gateway to the user 

How can I forward the sip message 180 to the caller or let the music on hold
stop playing  and  the caller hears  the Ring Back Tone which  when 180
ringing from the termination gateway.

What I am using now to stop the musinc on hold when the RTP established is 

exten => _X.,n,Dial(SIP/Temination_Gateway/${EXTEN}|300|m)

 

NB: I tried to edit chan_sip.c  but I did not find the solution 

 

Please Advice

 

 

Regards

 

 

 



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