[SR-Users] RTPProxy Issues

[Nathan Angelacos]

On 07/17/2016 05:49 PM, TEG AMJG wrote:
> Dear list
>
> I am quite new to Kamailio and i have been able to solve some NAT 
> Traversal issues with symmetric SIP+RTP putting kamailio+rtpproxy 
> behind NAT, i am also load balancing some asterisk boxes for 
> transcoding and some other services like voicemail. Also i am using 
> SIPp for load testing
>
> Now the question is that, while everything is working great with NAT 
> (even when i am using SIPp for testing with low load) when i am about 
> to test it with more than 150 calls or something i am starting to get 
> the following error:
>
> /kamailio[34549]: ERROR: rtpproxy [rtpproxy.c:2735]: 
> force_rtp_proxy(): incorrect port 0 in reply from rtp proxy/


A guess, but each call takes 4 file descriptors, so you might be running 
into the normal os limit of 1024 open files per process.
Recent rtpproxy versions have the -L option to increase the limit. It 
should be 4 times the number of concurrent calls you expect to handle.

Again, just a guess.