On Sun, 3 Jun 2007, Ian Clough wrote:

The problem comes when I try to use a SIP phone at home (also behind a NAT router). The phone registers correctly and I can see the SIP OPTONS packets being sent to the phone (SNOM 190). I can see an OK reply being received by Asterisk (using SIP DEBUG). However the OK reply appears to be ignored and a retransmission is made and the phone is marked as UNREACHABLE and will not accept any calls.

Wait, so this is the phone registering to Asterisk? Any inconsistencies in the source/destination ports vis-a-vis the NAT state pinholes?

--
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : +1-678-954-0670
Direct : +1-678-954-0671
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