[Serusers] rtpproxy logs

[Marian Dumitru]

Hi Razvan,

see my inline comments.

Toate bune,
Marian

SER Users wrote:
> 
> hello,
> 
> how can I access/enable/find logs from rtpproxy ?
> I see in rtpproxy sources that logs are being generated with 
> "rtpp_log_write", but where are there or how can I "enable" them.
> I am interested to see when a session is "active", when a packet from 
> both caller/callee are received in order to track down a problem I have 
> with 2 UAs.

see rtpp_log.h file - look like stderr is used - it might work only in 
foreground; check if when going in background, stderr is not closed.

> something else: when everything is OK how many ports should be opened 
> for s single proxy session ? 2 (1 RTP+1 RTCP) or 4 (2RTP + 2RTCP) ?

4 -> 2 x (RTP + RTCP)

> when two UAs can not come to an agreement regarding a codec, is there 
> any RTP traffic between the two, or media negotiation is based solely on 
> SDP messages contained within INVITE/OK SIP messages ?

the codec negations is done at signalling level, via SDP - if no common 
codec was found, no stream will be ever sent.


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