I think this is due to the CPE using a particular ALG ... (from recollection having never been a UVerse customer, but having sat through a long, long, long set of discussions about the merits/demerits of sip blocking)
On Mon, Jan 26, 2015 at 10:22 PM, Jared Mauch <ja...@puck.nether.net> wrote: > Yes. If you move to another port, e.g.: 5061 it works fine. > > If you’re running on a Linux based system, you can do this: > > /sbin/iptables -A PREROUTING -t nat -i eth1 -p udp --dport 5061 -j REDIRECT > --to-port 5060 > > on the host to remap 5061 -> 5060 with no application change. > > - Jared > >> On Jan 26, 2015, at 4:26 PM, Brad Bendy <b...@1stclasshosting.com> wrote: >> >> Has anyone seen issues where a end user on uVerse trying to connect to >> either another provider or AT&T non uVerse (in this case DIA) is having SIP >> blocked? SIP leaving the uVerse network going to another uVerse DSL account >> is fine, but it appears soon as it leave the uVerse network all SIP traffic >> is blocked? >> >> It appears others have seen this problem, some say it's a modem issue, some >> say they are truly blocking it. Ive yet to call uVerse support yet as im >> guessing ill get no where. >> >> Thanks for any insight on this. >> >> -- >> This message contains confidential information and is intended only for the >> individual named. If you are not the named addressee you should not >> disseminate, distribute or copy this e-mail. Please notify the sender >> immediately by e-mail if you have received this e-mail by mistake and >> delete this e-mail from your system. E-mail transmission cannot be >> guaranteed to be secure or error-free as information could be intercepted, >> corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. >> The sender therefore does not accept liability for any errors or omissions >> in the contents of this message, which arise as a result of e-mail >> transmission. If verification is required please request a hard-copy >> version. 1st Class Hosting, LLC. 1712 Pioneer Ave, Suite 1854, Cheyenne, WY >> 82001 >