[SR-Users] Kamailio with rtpproxy-ng and mediaproxy-ng: Error rewriting SDP

[Richard Fuchs]

On 07/23/14 05:03, Olli Heiskanen wrote:
> 
> Hi,
> 
> Thanks very much for this, that solved the double-m-line issue. Now I'm
> calling rtpengine_offer in a branch route.
> 
> One issue still remains; the call still gets connected to the called
> zoiper client, but it gets hung up right away. I traced this to be
> caused by a BYE message from Kamailio, which I think may be caused by
> the fact that the SDP returning to the chrome/websocket caller contains
> RTP/AVP profile, which it doesn't support. What I don't know is why this
> happens. 
...
> I suspect there is a 200 OK message going from Kamailio to the ws client
> that has the RTP/AVP profile, as the Jssip library gets an error
> stating: "Failed to set remote answer sdp: Failed to push down transport
> description: Answerer must use either active or passive value for setup
> attribute."
> 
> Any idea on what's going wrong here? 

Yes, I see there's an a=setup:actpass in the answer, which shouldn't be
there. Could you post the entire log for the whole call (just the
rtpengine part) so I can see why it's putting that there?

cheers