You would need a sip trace to make sure it sends the invite on port 5080 and from the expected ip address or gateway with your provider.
Then we would want to make sure it does a proper reinvite for t.38. I suspect it does not come from the same provider gateway but the best thing to do is to get a trace of the call. On Dec 13, 2011 1:14 PM, "Ly Tran" <[email protected]> wrote: > We have an unusual problem with one of our DIDs not working correctly > and cannot seem to figure out. If someone have experienced this before or > can point me in the right direction, it would be appreciated. We have the > most current sipx version loaded. PBX has been restarted. All other DIDs > works correctly for incoming/outgoing calls. This one DID was used as a > t.38 fax alias and had been working properly, until now and cannot receive > any faxes. We have 14 other DIDs used for f t.38 faxing and they work > fine. In testing, we removed this DID from the fax alias and assigned it > to a user/phone. We can dial the phone internally using the extension and > dial outbound calls, but cannot receive incoming to this DID. Dialing this > number externally only gets “dead air”. The PBX does not seem to pick up > the call and route.**** > > ** ** > > Ly Tran**** > > ** ** > > _______________________________________________ > sipx-users mailing list > [email protected] > List Archive: http://list.sipfoundry.org/archive/sipx-users/ >
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