[Blink] Blink generates 404 Not Found on incoming phone call

Leo Schouten leo.schouten at gmail.com
Wed Jun 9 09:46:17 CEST 2010


Hi Adrian,

My bad. I hadn't picked up that the contact name changes at each time the
app restarts. The registration log was from a different run.

Below a registration + inbound call within the same run.
The contact in the register matches that in the invite.
Contact: <sip:bqdrctyx at 86.86.36.182:52345>;expires=595
INVITE sip:bqdrctyx at 86.86.36.182:52345 SIP/2.0

Leo


RECEIVED: Packet 4, +0:00:00.075239
2010-06-09 09:26:43.613805: (my_proxy):5060 -(SIP over UDP)->
10.1.18.38:52345
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.1.18.38:52345
;rport=52345;branch=z9hG4bKPjPhH2Nxbb5FkSHMPuHDO8PadLgwNqjuVo;received=86.86.36.182
From: "Leo" <sip:31852733954@
(my_provider)>;tag=eYGjzT4fCTYTpVOadMXDSafuUdUvhmuX
To: "Leo" <sip:31852733954@
(my_provider)>;tag=ae46055aab8972e9cfd93f2b9d779a28-4c12
Call-ID: GqnAMZIXVNgF1Ew.9S3J2qK2yizM7ARD
CSeq: 2 REGISTER
Contact: <sip:bqdrctyx at 86.86.36.182:52345>;expires=595
Server: Sip EXpress router (0.9.6 (i386/freebsd))
Content-Length: 0


RECEIVED: Packet 5, +0:05:47.717265
2010-06-09 09:32:31.255831: (my_proxy):5060 -(SIP over UDP)->
10.1.18.38:52345
INVITE sip:bqdrctyx at 86.86.36.182:52345 SIP/2.0
Record-Route: <sip:(my_proxy);ftag=9309610131e24eb102b02eda3200e3e9;lr>
Via: SIP/2.0/UDP
(my_proxy);branch=z9hG4bK2577.012df28f583e472b3181b20723762086.0
Via: SIP/2.0/UDP
(my_proxy):5061;branch=z9hG4bK58f54f3c4b0477611c56963e26d9a611;rport=5061
Max-Forwards: 16
From: <sip:06518000000@(my_proxy)>;tag=9309610131e24eb102b02eda3200e3e9
To: <sip:31852733954@(my_proxy)>

SENDING: Packet 6, +0:05:47.728784
2010-06-09 09:32:31.267350: 10.1.18.38:52345 -(SIP over UDP)->
(my_proxy):5060
SIP/2.0 404 Not Found
Via: SIP/2.0/UDP
(my_proxy);received=(my_proxy);branch=z9hG4bK2577.012df28f583e472b3181b20723762086.0
Via: SIP/2.0/UDP
(my_proxy):5061;rport=5061;branch=z9hG4bK58f54f3c4b0477611c56963e26d9a611
Record-Route: <sip:(my_proxy);lr;ftag=9309610131e24eb102b02eda3200e3e9>

On Tue, Jun 8, 2010 at 10:39 PM, Adrian Georgescu <ag at ag-projects.com>wrote:

> Either you have an ALG router that breaks your SIP packets or the SIP
> Express Router configuration of your provider is broken, because it does not
> preserve the Contact address Blink sent in the Register request.
>
> Adrian
>
>
>
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