[OpenSIPS-Users] Limit the number of ongoing sessions at an RTP proxy

microx acmicrox at gmail.com
Wed Jan 9 16:44:56 CET 2013


Hi Bogdan-Andrei,

Thanks for your reply. I am sorry that I did not state my problem clearly. 

In my scenario, one SIP server communicates with 10 RTP proxies. When
receiving 
an INVITE request, the SIP server will look for one RTP proxy satisfying the
following criteria  
1) the RTP proxy is alive
2) the number of processing sessions at the proxy is smaller than a
predefined threshold (e.g. 1000 sessions).
If no such an RTP proxy is available, the SIP server will decline the INVITE
request.

Because I have to know the number of processing sessions at each RTP proxy,
I cannot simply use rtpproxy_offer() to let OpenSIPS select one alive RTP
proxy for me. On the other hand, although I can know 
the number of processing sessions at each RTP proxy with the dialog module,
I don't know that one RTP proxy is alive or down. Thus, I have no idea how
to write the corresponding opensips.cfg to solve my problem.

Regarding nh_show_rtpp, my understanding is that this can display the status
on the console rather than allow me to solve my issue with the required
configuration.

My English writing is not good. Sorry for any vague sentences. Thanks for
any help.

Best regards,
Chen-Che




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