Hi,

 

I looked around in the mailing list and don’t see any conclusive solution to this problem.

 

I have a setup like this below.

 

Webrtc client -----FS----sonus gateway.

 

The Webrtc client is sending INFO as DTMF. The FS currently bridges the call to the gateway and in the outbound leg uses rfc2833.

 

Problem: Some calls suffer from missing DTMF and repeated duplicate DTMF.

 

Solution: Use INFO all through to sonus gateway ?

 

How do I achieve this ?

In the internal profile if I change the “dtmf-type” to “info”. Nothing really happens, it still sends rfc2833 dtmf.    I believe it is because of “liberal-dtmf” is “true”.[accept any but always offer rfc2833] But if I change “liberal-dtmf” to “false”. I get “channel is not configured to use info dtmf”.

 

Is this a bug ? Is there any way around it ?

 

Any input much appreciated.

Thank you,

Sharath

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