Aastra Telecom 480I CT manual # NAT Settings #=============

Sample Configuration Files

Sample Configuration Files

#time server disabled: 1 # Time server disabled.

#time server1:	# Enable time server and enter at
#time server2:	# least one time server IP address or
#time server3:	# qualified domain name.

#Time Server Disabled:

#0 = false, means the time server is not disabled.

#1 = true, means the time server is disabled.

#NAT Settings

#=============

#Option 1:

#If you are connecting to a Nortel MCS call server and there is a

#NAT device between the server and the phone, then you must set the

#following two parameters for the phone to function correctly.

#sip	nortel nat	support: 1	# 1 = enabled
#sip	nortel nat	timer: 60	# seconds between keep alive messages

#Option 2:

#If you are using a session border controller, you should set the

#outbound proxy to the session border controller address

#sip outbound proxy: sbc.aastra.com

#sip outbound proxy port: 0# a value of 0 enables SRV

# lookups for the address of

# the proxy.

#Option 3:

#If you know the public IP address of your NAT device and and have

#opened up a port for the SIP messages then you can statically

#assign this information.

#sip nat ip: 67.123.122.90

#sip nat port: 5890

Appendix D

41-001129-00 Rev 09, Release 1.4.1 D-31