SIP Register: Not A Local Domain

Asterisk Asterisk Support
1

Does anyone know how to fix this error. I am trying to use Aastra 480i phones and I need to reference the PBX by IP (192.168.1.62).

I am running AsteriskNOW beta 4.
Network uses DHCP in this range 192.168.1.65 - 192.168.1.230

Zach