[OpenSIPS-Users] Mediaproxy ICE negotiations

[Saúl Ibarra Corretgé]

Hi,

On Mar 2, 2012, at 4:07 PM, John Quick wrote:

> Many thanks. I had not seen the slideshare.net information before. It is
> very good.
> 

Thanks!

> I have another question on the same subject.  In a call like this:
> UAC (supports ICE) -- INVITE -->  OpenSIPS/Mediaproxy  -- --> UAS (does not
> support ICE)
> 
> ..if OpenSIPS calls engage_mediaproxy() for every call, then Mediaproxy will
> be used because the SDP "c=" parameter will have been modified.
> For a similar call where the UAS *does* support ICE, then "c=" will be
> ignored in favour of using ICE negotiation. Is that right?
> 

No. The "c=" line is always modified by OpenSIPS, in addition to adding the "relay" candidates. You may choose a lower priority to prefer host candidates instead of the "relay" ones though.


Regards,

--
Saúl Ibarra Corretgé
AG Projects