[Asterisk-Users] Cisco 7960 NAT question

[Hall, Eric M.]

I had the same problem. What I found is I needed to set register with
proxy to yes in the sip config. 

Hope this helps



-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Ben Merrills
Sent: Thursday, July 08, 2004 7:01 AM
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] Cisco 7960 NAT question

I've got 4 Cisco 7960's and they're behind a firewall (sonic wall). The
asterisk box is on a WAN connection on the other end of a DS3, the
phones connect fine to the Asterisk server as you can see from the
output of show sip peers below.

tp3/tp3          <firewall-ip>     D   N      255.255.255.255  60665
Unmonitored
tp2/tp2          <firewall-ip>     D   N      255.255.255.255  60646
Unmonitored
tp1/tp1          <firewall-ip>     D   N      255.255.255.255  60649
Unmonitored

Now, the Cisco phones are set to use nat (nat = 1) and in the SIP
configuration, the phones are also configured for SIP.

[tp1]
type=friend
secret=tp1
host=dynamic
nat=yes
callerid="Test Phone 1"

I can make calls out over the phones, but can't get anything back in. If
I call voicemail say, then that's fine. But if I try and call another
phone behind the firewall, it just sits there :/

IS there a specific port range I need to open? Should I be using a
different sip config?

Cheers for any help,

Ben
www.griffin.com

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