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AASTRA 480i User Manual

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Operational, Basic, and Advanced Parameters
41-001129-00 Rev 09, Release 1.4.1
A-21
Configuration Parameters
Appendix A
Network Address Translation (NAT) Settings
Parameter – 
sip nat ip
NAT IP
(in Web UI)
IP phone UI
Options->SIP Settings
Aastra Web UI
Advanced Settings->Network
Configuration Files
aastra.cfg, <mac>.cfg
Description
IP address the network device that enforces NAT.
Format
IP Address
Default Value
0.0.0.0
Range
Not Applicable
Example
sip nat ip: 192.245.2.1
Parameter – 
sip nat port
NAT Port
(in Web UI)
IP phone UI
Options->SIP Settings
Aastra Web UI
Advanced Settings->Network
Configuration Files
aastra.cfg, <mac>.cfg
Description
Port number of the network device that enforces NAT.
Format
Integer
Default Value
0
Range
Not Applicable
Example
sip nat port: 5060
Parameter – 
sip nortel nat support
Nortel NAT Traversal 
Enabled
(in Web UI)
IP phone UI
Options->SIP Settings
Aastra Web UI
Advanced Settings->Network
Configuration Files
aastra.cfg, <mac>.cfg
Description
Enables or disables the phone to operate while connected to a network 
device that enforces NAT.
Format
Integer
Default Value
0 (disabled)
Range
0 (disabled)
1 (enabled)
Example
sip nortel nat support: 1