> >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
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