[SR-Users] Media-proxy Query

[Nandini madhu]

Dear All,

Anybody please help me in resolving this issue.

Awaiting somebody's suggestions.

Regards,
Nandini


On Wed, Jan 29, 2014 at 4:18 PM, Nandini madhu <sermj2012 at gmail.com> wrote:

> Dear All,
> Greetings,
>
> I have configured Kamailio (4.0.3) with mediaproxy server, with this
> set-up audio/video calls are going good and hence NAT issue has solved.
> I have used two soft clients: 1) IMSDroid 2) Bria.
> But i have a query about media-proxy statistics i.e in the syslog, the
> info about media-proxy activity is shown as below:
>
> *Case 1*: when Call between two IMSDroid clients.
>
> caller_codec : 'Unknown(73)'
>
> callee_codec : 'Unknown(73)'
>
> callee_ua : 'unknown agent'.
>
> *Case 2* : When call between two Bria clients.
>
> 'callee_ua': 'unknown agent'.
>
> (Calls using Bria clients media-proxy's syslog shows Audio codec names,
> but using IMSdroid clients it is showing 'Unknown' for Audio codec names ).
>
> Find the attachment below for the full syslog about the mentioned unknown
> behaviour. And also find my kamailio.cfg file.
>
> And also logging in the syslog as shown like RTP: Unknown , RTCP: Unknown.
>
> In this context, there is a jitter in audio calls and pixelled video
> sometimes, So is there any wrong with the above mentioned "unknown' factor
> in this problem of jitter/pixelled audio/video calls ?
> (AFAIK these payload type 73 (i.e 72-76) is reserved for RTCP conflict
> avoidance. right? )
>
> What could be the problem for this 'Unknown' issue?
> How can i solve this issue ? Anything can be done in kamailio script?
> And how these RTCP payload types (72-76) plays a role in audio/video calls?
>
> Any suggestions will greatly help. please help me in clarifying these
> issues.
>
> Thanks in advance.
>
> Regards,
> Nandini
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20140201/16a9ba28/attachment.html>