send 674 bytes to udp/[77.240.48.94]:5060 at 09:07:25.479313:
   ------------------------------------------------------------------------
   OPTIONS sip:voiptalk.org;transport=udp SIP/2.0
   Via: SIP/2.0/UDP 77.86.49.249;rport;branch=z9hG4bK8rBQ4a33Ny02K
   Max-Forwards: 70
   From: <sip:77.86.49.249>;tag=a8U21NNZ23tBB
   To: <sip:voiptalk.org>
   Call-ID: 96da25e1-eaf8-122c-02ae-0019d15ec7e1
   CSeq: 117662779 OPTIONS
   Contact: <sip:mod_sofia@77.86.49.249:5060>
   User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-13850
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, SUBSCRIBE, NOTIFY, REFER, UPDATE, REGISTER, INFO, PUBLISH
   Supported: timer, precondition, path, replaces
   Allow-Events: talk, presence, dialog, call-info, sla, include-session-description, presence.winfo, message-summary, refer
   Content-Length: 0

   ------------------------------------------------------------------------
recv 352 bytes from udp/[77.240.48.94]:5060 at 09:07:25.486124:
   ------------------------------------------------------------------------
   SIP/2.0 484 Address Incomplete
   Via: SIP/2.0/UDP 77.86.49.249;rport=5060;branch=z9hG4bK8rBQ4a33Ny02K
   From: <sip:77.86.49.249>;tag=a8U21NNZ23tBB
   To: <sip:voiptalk.org>;tag=fd79486175647ed1617969929fdaad02.f21c
   Call-ID: 96da25e1-eaf8-122c-02ae-0019d15ec7e1
   CSeq: 117662779 OPTIONS
   Server: OpenSIPS (1.5.1-notls (x86_64/linux))
   Content-Length: 0

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Anthony Minessale
Sent: 13 July 2009 16:59
To: freeswitch-users@lists.freeswitch.org
Subject: Re: [Freeswitch-users] Problems with Ping and re-registering brokengateways

On Mon, Jul 13, 2009 at 7:59 AM, Andy <andy@fabulous4.co.uk> wrote:

Hi,

I'm fairly sure my problem lies with my voip provider VoipTalk but wonder if you could help me understand a couple of things. My config is very simple, I'm using freeswitch to accept incoming calls via a voip gateway and record messages. Here's the problem:

- When freeswitch starts the gateways are all created and register correctly

- I have the ping parameter set to make sure the gateway stays alive.

- The first time freeswitch pings the gateway it fails even though the registration appears intact as calls are still coming through to freeswitch

- Freeswitch then tries to re-register the gateway but this fails. The SIP trace shows an Unauthorized message and the actual log entry is 'Registration Failed with status Operation has no matching challenge [904]'

- eventually the registration times out with my provider and all is lost.

- if I call 'sofia profile external restart' or restart the software this fixes the problem

My questions are:

1) Why would the ping fail when the registration appears to be intact?

2) Whay would the auto re-register not work but a restart would?

This ones driving me nuts so any help greatly appreciated.

regards

Andy

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