Hello,

 

For incoming calls, I want to receive DTMF inband.

 

FS receives INVITE and at certain stage sends 200 OK with a SDP section, which always contains :

 

a=rtpmap:101 telephone-event/8000 (what means ‘DTMF in RTP metadata’). Indeed the DTMFs come via RTP.

 

I tried various FS configuration options to remove that line, without success.

 

How to do it? How to tell a gateway to send DTMFs inband ?

 

In advance thank you very, very much,

Adrian.

 

 

 

 

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