Aastra SIP 53I Administrator's Manual page 524

IP Phone Administrator Guide
Operational, Basic, and Advanced Parameters
Parameter –
sip nortel nat timer
Nortel NAT Timer
(in Web UI)
Description
Format
Default Value
Range
Example
A-22
Aastra Web UI
Configuration Files
The interval, in seconds, that the phone sends SIP ping requests to the
Nortel proxy.
Integer
30
0 to 2147483647
sip nortel nat timer: 60
Advanced Settings->Network
aastra.cfg, <mac>.cfg
41-001160-00, Release 2.1, Rev 04