Advanced Network Settings
4-22 41-001160-00, Rev 01 Release 2.0
IP Phone Administrator Guide
Configuring the IP Phones
Configuring NAT Address and Port (optional)

You can also configure a specific NAT address and port on the IP phone using the

configuration files, IP Phone UI, or Aastra Web UI.

Configuration Files
For specific parameters you can set in the configuration files, see Appendix A, the section, “Network
Address Translation (NAT) Settings” on pageA-18.
IP Phone UI
Step Action
1 Press on the phone to enter the Options List.
2Select Network Settings.
3Select NAT.
4Select NAT Settings.
5Select NAT IP.
6 Enter a public IP address of your NAT device in dotted-decimal format.
7 Press Done to save the NAT setting.
8Select NAT SIP Port.
9 Enter the public SIP signalling port number of your NAT device.
10 Press Done to save the changes.