[SIP Beyond VoIP] sip-session register contact tcp port does match source tcp port

Juha Heinanen jh at tutpro.com
Mon Apr 8 09:31:14 CEST 2013

i noticed that sip-session register contact tcp port does not match
source (via) tcp port:

$ sip-session -s
using set_wakeup_fd
Using account jh at test.fi
2013-04-08 10:20:37.109121: SENDING: Packet 1, +0:00:00 -(SIP over tcp)->
REGISTER sip:test.fi SIP/2.0
Via: SIP/2.0/tcp;rport;branch=z9hG4bKPj65abfeaf-497b-4479-80ee-4d80a549307e
Max-Forwards: 70
From: <sip:jh at test.fi>;tag=bd53a6ca-1603-4514-9511-95b57b4ddb0c
To: <sip:jh at test.fi>
Contact: <sip:76942853 at;transport=tcp>;+sip.instance="<urn:uuid:2e4eae00-c2c7-4136-a74e-2336177a0ae0>"
Call-ID: 0c05c04e-84b8-4f9d-88e8-df1db9d47fdd
Expires: 180
Supported: gruu
User-Agent: sipsimple 0.34.0
Content-Length:  0

is this is a bug of feature?

-- juha

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