[Rtcomm] [Rtcomm] [Bug 3824] SIP Calls keep ringing despite being picked up by other side

[From: bugzilla-daemon at maemo.org]

https://bugs.maemo.org/show_bug.cgi?id=3824





------- Comment #57 from joshua at peeredit.us  2009-01-14 01:53 GMT+3 -------
Created an attachment (id=1104)
 --> (https://bugs.maemo.org/attachment.cgi?id=1104&action=view)
tcpdump using IP for outbound proxy and sip:phone at callcentric.com

N810: In this test, I used an IP address for the outbound proxy and phoned the
full sip URI sip:17771234567 at callcentric.com

It seemed to fail in exactly the same way as other attempts.

Another data point: I tried phoning with the N810 today on campus and it
worked. It fails to work when I am at home. At home, I have a 54WRT wireless
router doing NAT with the ISP being University of Oregon (UO). In other words,
there is probably another layer of NAT + filtering for UO when I am calling
from home. Maybe that is why you see a different address in the middle of the
SIP exchange. Maybe the N810 isn't coping with this network topology correctly?


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