At 17:36 11/01/2007, Christian Schlatter wrote: >Staffan, > >Kerker Staffan wrote: >... >>Now, if I disable one of the Gateways, I hang every second call. OpenSER does >>not >>try the second A record address if the first doesn't answer. How can I solve >>this? Shouldn't OpenSER fail over to the second A record listed in the NAPTR >>=> SRV >>resolving? Or will OpenSER continue to resend all SIP INVITES until timers >>fire? Would >>it help if the proxy recieved an ICMP port/destination unreachable from the >>network? Is >>there anyway to get around this? In the other direction, from POTS to sip, >>the PGW2200 >>nicely switches over to the second of my two OpenSER servers if I shut one of >>them down. These servers have the same DNS entries (but for another SIP >>domain, NAPTR => SRV => 2x A record). > >Yes, OpenSER or for that matter every transaction stateful proxy should do RFC >3263 based fail-over. But as you can imagine this is pretty complex to >implement and that's why openser does not support it yet, it is listed on the >development roadmap. The newest release of SER does support DNS failover.
Indeed. SER does so. See the doc at http://cvs.berlios.de/cgi-bin/viewcvs.cgi/ser/sip_router/doc/dns.txt?rev=HEAD&content-type=text/vnd.viewcvs-markup -jiri -- Jiri Kuthan http://iptel.org/~jiri/ _______________________________________________ Users mailing list [email protected] http://openser.org/cgi-bin/mailman/listinfo/users
