I have SIP proxy (Kamailio) works in conjunction with rtpproxy<http://www.rtpproxy.org/> to support client communication. When SIP proxy sends command to rtpproxy to create new session, rtpproxy will create 2 ports (let's called them port1 and port2). rtpproxy has 1 listen interface
Supposed A and B are 2 clients that use rtpproxy to relay RTP stream, and works fine. A <---> port1 [*rtpproxy*] port2 <---> B Now that A loses his current network, and enter network2 (imagine a network handover) to become A2. In this case, I see rtpproxy still works fine by relaying stream between A2 and B A2 <---> port1 [*rtpproxy*] port2 <---> B But when A2 lose his network2 and enters network3 to become A3, rtpproxy stills relay stream between A2 and B. It seems that A can change his network only once. A2 <---> port1 [*rtpproxy*] port2 <---> B A3 Why did the first handover succeed? How can I change rtpproxy behavior to support many handovers ? -- Khoa Pham HCMC University of Science www.fantageek.com
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