Aastra AastraLink Pro 160 Administrator's Manual page 331

2 Specify the public IP address, or dynamic/static DNS FQDN of your router, then press <Done>.
For example: 65.96.171.130.
3 Specify the public SIP port (default 51620) for your router, then press <Done>.
41-001190-02 Rev. 01, Rel. 1.2
Remote Office Configuration of the IP Phone (Phone-Side)
Connecting To The IP Phone Network From a Remote Office
Enter NAT IP:
65.96.171.130
Backspace
Dot .
ABC
Enter NAT SIP Port:
51620
Backspace
Cancel
Done
Cancel
Done
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