[Freeswitch-users] Trigger re-INVITE with different SDP during a call

Muhammad Shahzad shaheryarkh at googlemail.com
Mon Jan 23 12:59:19 MSK 2012


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 at 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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-- 
Muhammad Shahzad
-----------------------------------
CISCO Rich Media Communication Specialist (CRMCS)
CISCO Certified Network Associate (CCNA)
Cell: +92 334 422 40 88
MSN: shari_786pk at hotmail.com
Email: shaheryarkh at googlemail.com
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