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copied!<p>If you use RTPProxy, you would need one RTPProxy server per IP address. You can specify the IP to listen on with the '-l' parameter:</p> <pre><code># /usr/sbin/rtpproxy -l 10.10.10.10 -s unix:/var/run/rtpproxy/rtpproxy1.sock -u rtpproxy rtpproxy -p /var/run/rtpproxy/rtpproxy1.pid & # /usr/sbin/rtpproxy -l 10.10.10.11 -s unix:/var/run/rtpproxy/rtpproxy2.sock -u rtpproxy rtpproxy -p /var/run/rtpproxy/rtpproxy2.pid & </code></pre> <p>You would need to match that up with independant opensips/openser/kamailio instances:</p> <pre><code>listen=udp:10.10.10.10:5060 ... loadmodule "rtpproxy.so" modparam("rtpproxy", "rtpproxy_sock", "unix:/var/run/rtpproxy/rtpproxy1.sock") ... unforce_rtp_proxy(); ... force_rtp_proxy(); </code></pre> <p>and</p> <pre><code>listen=udp:10.10.10.11:5060 ... loadmodule "rtpproxy.so" modparam("rtpproxy", "rtpproxy_sock", "unix:/var/run/rtpproxy/rtpproxy2.sock") ... unforce_rtp_proxy(); ... force_rtp_proxy(); </code></pre> <p>If you have some experience with C, you could conceivably modify the rtpproxy module to be aware of multiple rtpproxy instances.</p> <p>Also, if the thought of relaying RTP through userspace bothers you, MediaProxy is an alternative.</p> <p>Rather than a userspace daemon relaying the RTP traffic, your openser/opensips/kamailio tells a python MediaDispatcher through a JSON web post to contact an available MediaRelay to setup a linux kernel level conntrack traffic forwarding entry. </p> <p>The downside to this approach is that the current python media-dispatcher and media-relay read /etc/mediaproxy/config.ini - you would need to hack the python to take a configuration parameter so you could conceivably have multiple config.ini files, one for each instance to setup the correct redirect.</p> <p>An example /etc/mediaproxy/config.ini might look like:</p> <pre><code>[Relay] dispatchers = 10.10.10.10:25060 [Dispatcher] socket_path = /var/run/mediaproxy/dispatcher.sock listen = 10.10.10.10:25060 listen_management = 10.10.10.10:25061 [OpenSIPS] socket_path = '/var/run/opensips/socket' </code></pre> <p>And in your opensips config file:</p> <pre><code>modparam("mi_datagram", "socket_name", "/var/run/opensips/socket") ... loadmodule "mediaproxy.so" # ----- mediaproxy params ----- modparam("mediaproxy", "mediaproxy_socket", "/var/run/mediaproxy/dispatcher.sock") #modparam("mediaproxy", "disable", 1) #modparam("mediaproxy", "natping_interval", 60) ... engage_media_proxy(); ... end_media_session(); </code></pre> <p>It sounds like you may have better luck with rtpproxy for your particular needs.</p>

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