[Asterisk-Users] Cisco 7960 nat problems.

[Doug Lytle]

Shaun wrote:
> I have a asterisk server running on site listening on a public ip.  
> Tonight I attempted to connect a Cisco 7960 phone from my home 
> location via sip but failed.  My home network is simple, Cox cable 
> connection hooked to a linksys wrt router.  The firewall on the 
> linksys router is disabled and I even setup dmz to the phones ip as a 
> last resort.  I removed the linksys router and plugged the phone 
> directly into the cable modem and now the phone can connect fine and 
> works.  I pasted below the sip debug output, anybody know what's going 
> on or have experience with this?
You need to turn on the NAT support for the 7960 on the phone itself.

Settings --> SIP Configuration -->NAT Enabled (Y/N)

Doug

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