[SR-Users] rtpengine_offer() with ICE not updating o= and m= IP addresses

[Richard Fuchs]

`replace-origin` and `replace-session-connection` are optional for 
normal operation and are preempted by `ICE=force-relay`. If you want c= 
and o= (and m=) lines updated, you should use `ICE=force` instead.

Cheers


On 19/04/2019 05.25, David Dean wrote:
> Sorry, not sure I understand.
>
> The documentation says these options will update c= and m= but in my 
> case they aren't applying and I don't know why.
>
> Are you saying c= and m= won't be updated if ICE is being forced?
>
> ---------
> https://www.kamailio.org/docs/modules/4.4.x/modules/rtpengine.html#rtpengine.f.rtpengine_offer
>
> replace-origin - flags that IP from the origin description (o=) should 
> be also changed.
>
> replace-session-connection - flags to change the session-level SDP 
> connection (c=) IP if media description also includes connection 
> information.
>
>
>
>
> On Friday, 19 April 2019, 10:15:28 GMT+1, Daniel Tryba 
> <d.tryba at pocos.nl> wrote:
>
>
> On Fri, Apr 19, 2019 at 08:52:30AM +0000, David Dean wrote:
> > I'm using the following rtpengine_offer() to force the use of ICE 
> relay and also replace o= and m=
> > ?? ??rtpengine_offer("replace-origin replace-session-connection 
> ICE=force-relay RTP");
> >
> > The SDP is being updated to include an ICE relay candidate, but the 
> IP addresses in the o= and m= lines are not changing??to the servers 
> IP address (X.X.X.X).
>
>
> This is a feature, not a bug: https://github.com/sipwise/rtpengine
>
> "
> * ICE
>
> ...
> With force-relay, existing ICE candidates are left in place except relay
> type candidates, and rtpengine inserts itself as a relay candidate. It
> will also leave SDP c= and m= lines unchanged.
>
> This flag operates independently of the replace flags.
> "
>
> Strange that media adress doesn't work, but try replace. Maybe that
> works?
>
>
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