[Freeswitch-users] NAT issue with registration responses going to the wrong port

Brian West brian at freeswitch.org
Mon Jul 7 06:44:10 PDT 2008


Sip trace..

TPORT_LOG=1 ./freeswitch


On Jul 7, 2008, at 7:46 AM, Alex Kinch wrote:

> Hi gang,
>
> Got a strange problem with a NAT'd device that's trying to connect to
> FS. The first REGISTER arrives, without auth, and FS responds with 401
> Unauthorized to the correct port on the external IP address of the
> firewall. However when the second attempt to REGISTER, this time with
> auth, comes in, FS responds with 200 OK to the local SIP port
> specified on the device. The device obviously doesn't get the 200 OK
> so keeps attempting to register.
>
> Any ideas? Tried sip-force-contact but that doesn't seem to help.
>
> Alex

Brian West
sip:brian at freeswitch.org







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