Thanks for the suggestions of using TLS or changing the port. I changed the port, but some routers are still able to mess with the SIP headers. I would have used TLS, if not for two reasons:
1. ICE protocol was originally designed for UDP according to RFC5245, and it seems to work better with UDP. 2. The SIP servers I have used (OpenSIPS and Repro) seem to be more stable with UDP compared to TLS (they do not randomly drop connections, throw unusual errors in the logs, etc.) I may try TLS again, but it would be better if there is an alternative workaround for UDP. On 2 May 2016 at 13:33, Patrick Wakano <[email protected]> wrote: > Using TLS! > Also configuring your systems/devices to use other port than 5060 may do > the trick... > > On Mon, May 2, 2016 at 9:14 AM, Nabeel <[email protected]> wrote: > >> Hi, >> >> Other than using rtpproxy/NAThelper modules, is there any way to >> bypass/workaround SIP ALG enabled on many WiFi routers? Although SIP ALG >> was designed to help with NAT, in most cases it does the opposite and >> breaks SIP. >> >> Nabeel >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users >> >> > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > >
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