[asterisk-users] Phones flapping with * and Sonicwall.

[Mike Diehl]

Looks like we fixed it.  The NAT session defaulted to 30 seconds...!  When we 
increased it to 2 minutes, the problem went away!

Thank you for your time!

Mike.

On Thursday 13 October 2011 1:00:49 pm Luke Hamburg wrote:
> Have you tried adding 'qualify=no' in the peer definition?
> 
> Are all the natted phones using port 5060 as their SIP port?  I don't know
> how many "a bunch" is but if it's  not too many you might try having each
> phone bind to a different port for its SIP signaling, sometimes that is
> helpful with strict firewalls.
> 
> e.g.
> Mary x102  use port 50102
> John x114  use port 50114
> 
> This port would need to be set at the endpoint itself either manually or
> via the provisioning server, setting it in Asterisk has no effect.  Just
> an idea.
> 
> Luke
> 
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Mike Diehl
> Sent: Thursday, October 13, 2011 12:22 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: [asterisk-users] Phones flapping with * and Sonicwall.
> 
> Hi all,
> 
> I've got a bunch of Polycom 301's at a site that sits behind a Sonicwall
> firewall.
> 
> What I'm seeing is that the phones are constantly becoming unavailable,
> followed shortly by becoming available again.
> 
> The phones register just fine and sound great on out-bound calls.  The
> phones are configured NAT=yes and type=friend, as I do with all my
> Polycoms.
> 
> A sniffer trace indicates that Asterisk is sending an OPTIONS request to
> the phones but no reply is being sent... most of the time.
> 
> I'm thinking it's a firewall/NAT timeout issue.  Has anyone seen this?  Has
> anyone fixed it?  Any ideas, otherwise?
> 
> TIA.

-- 

Take care and have fun,
Mike Diehl.