[asterisk-users] Asterisk replying to wrong port for NOTIFY messages

[Jeff LaCoursiere]

On Wed, 5 Jan 2011, James Lamanna wrote:

> See the following SIP trace.
> Where in the world does Asterisk get port 1025 to respond to?
> This is asterisk 1.6.x.
>

Hi James,

I'm sure it would be the NAT translated port on the public side of the 
customer's firewall...

j

> Thanks.
>
> -- James
>
>
> <--- SIP read from zzz.zzz.zzz.44:9363 --->
> NOTIFY sip:pbx1.mydomain.com SIP/2.0^M
> Via: SIP/2.0/UDP 192.168.1.140:9363;branch=z9hG4bK-b9a860d3^M
> From: "xxx-xxx-xxxx" <sip:xxxxxxxxxx at pbx1.mydomain.com>;tag=467525dd6fac949do0^M
> To: <sip:pbx1.mydomain.com>^M
> Call-ID: 707176dd-38f4779d at 192.168.1.140^M
> CSeq: 118907 NOTIFY^M
> Max-Forwards: 70^M
> Contact: "xxx-xxx-xxxx" <sip:xxxxxxxxx at 192.168.1.140:9363>^M
> Event: keep-alive^M
> User-Agent: Cisco/SPA509G-7.4.6-0002fdff90a4^M
> Content-Length: 0^M
> ^M
>
> <------------->
> [Jan  5 13:46:36] VERBOSE[3919] logger.c: --- (11 headers 0 lines) ---
> [Jan  5 13:46:36] VERBOSE[3919] logger.c:
> <--- Transmitting (no NAT) to zzz.zzz.zzz.44:1025 --->
> SIP/2.0 200 OK^M
> Via: SIP/2.0/UDP
> 192.168.1.140:9363;branch=z9hG4bK-b9a860d3;received=zzz.zzz.zzz.44^M
> From: "xxx-xxx-xxxx" <sip:xxxxxxxxx at pbx1.mydomain.com>;tag=467525dd6fac949do0^M
> To: <sip:pbx1.mydomain.com>;tag=as0493c604^M
> Call-ID: 707176dd-38f4779d at 192.168.1.140^M
> CSeq: 118907 NOTIFY^M
> User-Agent: Asterisk PBX^M
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO^M
> Supported: replaces^M
> Content-Length: 0^M
>
> --
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