Aastra Telecom SISIP 57I CT - Manual (Page 360)

Operational, Basic, and Advanced Parameters
A-18 41-001160-00, Rev 01 Release 2.0
IP Phone Administrator Guide
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, .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 SIP Port
(in Web UI)
IP phone UI Options->SIP Settings
Aastra Web UI Advanced Settings->Network
Configuration Files aastra.cfg, .cfg
Description Port number of the network device that enforces NAT.
Format Integer
Default Value 0
Range Not Applicable
Example sip nat port: 51620
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, .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