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

[Mike Diehl]

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.