On Fri, Jun 6, 2008 at 11:49 PM, Martin Steinmann <[EMAIL PROTECTED]> wrote: >> >>Subject: Re: [sipX-dev] Questions re: NAT traversal configuration >> >>On Fri, Jun 6, 2008 at 2:32 PM, Martin Steinmann >><[EMAIL PROTECTED]> wrote: >>>> >>>>Subject: Re: [sipX-dev] Questions re: NAT traversal configuration >>>> >>>>On Fri, Jun 6, 2008 at 12:30 PM, Robert Joly <[EMAIL PROTECTED]> wrote: >>>>>> 1) The help text on the new NAT traversal page instructs >>>>>> the admin to open ports on the firewall used by the Media >>>>>> Relay. Where are these ports configured and where can I see >>>>>> what the currently configured range is? >>>>> >>>>> I will let Ranga field that one. >>>> >>>>In the sipxbridge settings go to advanced settings. You will see >>>>Strart RTP Port and End RTP Port.THat is the port range that is being >>>>managed. >>> >>> This seems to require then that an instance of sipXbridge is configured >>> as an SBC, which contradicts Robert's earlier statement from below. I >>> assume that without an instance of sipXbridge configured, Symmitron >>> would use its default RTP port range. The problem remains that the admin >>> is told to open these ports on the firewall without knowing where to >>> find the actual port numbers used. This needs to be addressed. >> >>Sipxbridge is really two independent services - media relay and >>signaling. Currently, sipxbridge waits for sipxbridge.xml to appear in >>/etc/sipxpbx before it actually starts running. So in a fresh install, >>it will wait and do nothing until you have configured a >>sipxbridge.xml. This necessitates you to actually configure it before >>it starts running. We should change that. A dummy sipxbridge.xml >>should be installed. This need contain nothing other than a port >>range. >> >>I do think that the port range information in sipxbridge.xml should be >>displayed somewhere independent of the sbc configuration. >> >>There is no harm if the port range information is repeated in two >>places. Alternatively it can be hard coded. >> >> >>You do not need any ITSP information in order to start sipxbridge. If >>no ITSP information is specified, sipxbridge is simply a media relay. >> > > How would this work in an HA system? Can there be two media relays, one per > call server, to support NAT traversal for a redundant system? > --martin >
In principle, it can work as follows: the sipxbridge service does not start on the backup until the failover occurs and the backup takes control. We need some discussion on this mechanism ( for my benefit ). Ranga. -- M. Ranganathan _______________________________________________ sipx-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-dev Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-dev
