[Freeswitch-dev] FreeSWITCH SIP Adaptive codec switching

Philippe Duke philippe46 at netassist.ua
Sun Oct 9 17:11:14 MSD 2016

Hello, dear FreeSWITCH developers.

Would like to ask you what we need to implement adaptive codec switching 
using SIP re-invites in the application.

Adaptive codec switching is the codec parameters renegotiation (SIP 
re-invite) using network measurements of jitter and bandwidth between 
two legs. Would like to ask if we have a some docu defines this method.

We have a lack of clients support it, but we may rely on open project to 
make it work. I suggest to use some kind of protocol extension to achive 
such behavior.

Philippe Duke
Network software engineer
System-level developer

NetAssist LLC
Khreshchatyk Street, 10B, office 8

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