[SR-Users] rtpengine force-relay

Daniel Tryba d.tryba at pocos.nl
Thu Mar 14 18:22:55 CET 2019

On Thu, Mar 14, 2019 at 06:01:41PM +0200, Vitalii Aleksandrov wrote:
> > What is wrong with the default behavior? That adds ICE records and
> > rewrites SDP c=.
> When a call goes through multiple proxies and every proxy inserts itself SDP
> becomes really huge. What I like in "force-relay" is that it removes
> previously inserted "relay" candidates and inserts itself. Hope rtpengine
> will still talk to those relay candidates on incoming leg if "host" are not
> reachable. So I'm satisfied with "force-relay" when call to ICE supported
> phone, but when callee can't do ICE I'm in trouble.

ICE is end to end. rtpengine does nothing with other ICE candidates
(AFAIK). So removing those other candidates defeats the purpose IMHO.
You might as well remove any ICE and simply rewrite DSP

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