Aastra 9143i Series Administrator's Manual page 216

IP Phone Administrator Guide
Network Settings
.
Aastra Web UI
Step Action
1 Click on Advanced Settings->Network->Advanced Network Settings.
2 Select Yes (enable) or No (disable) in the "Nortel NAT Traversal Enabled" field to enable or disable
NAT for a Nortel network.
3 Enter a time, in seconds, in the "Nortel NAT timer" field. Valid values are 0 to 2147483647.
Default is 60.
4 Click
4-34
to save your settings.
41-001160-03, Rev 00, Releaes 2.4