Remote Ip Phones Behind Nat - Altigen AltiWare ACC 5.2 Administration Manual

Remote IP Phones Behind NAT

For remote IP phones behind NAT, you don't need to do any configuration. However, if
the remote firewall/NAT router blocks outgoing traffic, then you will need to open the
following ports on the remote firewall/NAT router:
UDP 10060
•
UDP 30,000~31,000
•
TCP 10064
•
AltiWare ACC 5.2 Administration Manual 373