Not sure but i think FS can't initiate re-invite, however if caller (or callee) initiate a re-invite then FS responds accordingly, including codec renegotiation. Thank you. 2012/1/23 Roland Hänel <roland@haenel.me>
Hi,
Is there a way to trigger a SIP re-INVITE for a channel that has already been answered, and to make FreeSwitch offer a certain list of codecs to the endpoint?
Let's assume the call is answered with PCMA/PCMU, then the user enters an IVR, now we know that he's going to join a conference. For the conference, I might want to enable G.722 and H.264 video (which should not generally be enabled for all incoming calls). I found stuff about codec-related channel variables, but no 'trigger' to tell FS to make a codec re-negotiation.
Greetings, Roland
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