[SR-Users] Kamailio - PSTN (kamailio) - rtpproxy issue

[Filippo Graziola]

the scenario is similar to this:

[1]kamailio+rtpproxy (private IP) -> Router public IP >
[2]kamailio+rtpproxy (PRIVATE IP listening on public IP)

when the caller is registered on [1] and callee on [2], rtpproxy [1] is
correctly engaged but rtpproxy [2] shows an error :

"incorrect port 0 on reply"

and there is no video/audio

if caller and callee ( in 3G/4G mobile network) the call is handled
correctly both audio and video

I'm running out of ideas, I hope someone can help me...
thanks



2016-06-27 17:37 GMT+02:00 Filippo Graziola <filippo.graziola at gmail.com>:

> Sorry my thoughts weren't correct. When disabling rtpproxy in the local
> kamailio installation, I have one way audio. The caller, local SIP user,
> can hear audio from the user registered on the PSTN address, which also
> can't hang up the call.
> It seems to me that the kamailio PSTN gateway can't engage rtpproxy
> correctly when receving a call from the local kamailio+rtpproxy.
> I changed the configuration from a the basic one to this here
> http://kb.asipto.com/kamailio:skype-like-service-in-less-than-one-hour
> (I have only updated the outdated functions) and it works well for calls
> between mobile phones) but again the same problem described above.
> If anyone could give me an advice it would be much appreciated
>
> Thanks
>
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