----- Original Message ----- > From: "Jeff Wheeler" <j...@inconcepts.biz>
> On Wed, Nov 9, 2011 at 1:47 PM, Jay Nakamura <zeusda...@gmail.com> > wrote: > > So my questions is, is it possible there is some kind of filter at > > Qwest or Level 3 that is dropping traffic only for udp 5060 for select > > few IPs? That's the only explanation I can come up with other than > > I ran into exactly this problem last week with Rogers. All traffic > from the client except udp/5060 could be received by us, and udp/5060 > was blocked. We tested other IP addresses on our (provider) side and > did not find any blocking there, so we assigned a new IP to the SIP > gateway. I hardly think this can be an ordinary malfunction, but good > luck getting a phone company to troubleshoot a problem with their > subscribers using mobile data to connect to a third-party voice > gateway... Well, just a couple of days ago, we discussed that XO does this kind of rifle-bullet filtering in certain circumstances; is any party getting their connectivity from them? Cheers, -- jra -- Jay R. Ashworth Baylink j...@baylink.com Designer The Things I Think RFC 2100 Ashworth & Associates http://baylink.pitas.com 2000 Land Rover DII St Petersburg FL USA http://photo.imageinc.us +1 727 647 1274