[Asterisk-Users] Cisco 7960 won't register as SIP device

[Henry Devito]

Do you have nat=yes in the sip.conf?  or alternatively do you have the phone 
set for nat with the correct external ip address?
----- Original Message ----- 
From: "List Receiver" <listreceiver at mastermindpro.com>
To: <asterisk-users at lists.digium.com>
Sent: Friday, April 22, 2005 10:49 PM
Subject: [Asterisk-Users] Cisco 7960 won't register as SIP device


I've got a problem with my Cisco 7960 phone and SIP registration.  The
phones are at a branch office site, behind a NAT device.  No port
forwarding or redirection is set up on the NAT device.

The phones can connect to * and authenticate just fine.  They can call
any destination in the dialplan.  They appear to function fine, with the
exception of never registering as a SIP device.  A run of sip show peers
shows them as a status of offline and unknown.  Obviously, no one can
call to the phones...they can only initiate calls from the phones.

I'm sure I'm missing something simple, but searches at various *
information stores hasn't enlightened me.  Any ideas?

Thanks,
Ty
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