I think it is related to so called IP address filling and trusted IP
On Wed, Aug 14, 2013 at 4:09 PM, Khoa Pham <onmyway...@gmail.com> wrote: > Hi Daniel, > > My clients don't do anything when IP change occurs.From what I inspect, it > is because of rtpproxy does not accept the 2nd IP change. > The the rtpproxy protocol document > http://www.rtpproxy.org/wiki/RTPproxy/Protocol, the Update and Lookup > command have [arg] parameters. > U[args] callid addr port from_tag [to_tag [notify_socket [notify_args]]] > L[args] callid addr port from_tag to_tag > > I see Kamailio often send Uc and Lc to rtpproxy. I still can't find out > what these arg mean, but maybe it's the point > > > On Wed, Aug 14, 2013 at 3:31 PM, Daniel-Constantin Mierla < > mico...@gmail.com> wrote: > >> Hello, >> >> >> On 8/13/13 5:56 AM, Khoa Pham wrote: >> >> 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 ? >> >> what I expect that happened between A and A2 is that the client >> application sent a re-INVITE with its new IP address. But then it didn't >> happen when going to A3. Rtpproxy itself can do nothing here. You should >> look at sip traffic to see what happens. >> >> Cheers, >> Daniel >> >> -- >> Daniel-Constantin Mierla - >> http://www.asipto.comhttp://twitter.com/#!/miconda - >> http://www.linkedin.com/in/miconda >> >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list >> sr-users@lists.sip-router.org >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> >> > > > -- > Khoa Pham > HCMC University of Science > www.fantageek.com > -- Khoa Pham HCMC University of Science www.fantageek.com
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