Aastra 480i Administrator's Manual page 145

Parameter –
sip outbound proxy
outbound proxy server
(in Web UI)
Description
Format
Default Value
Range
Example
Parameter –
sip outbound proxy
port
outbound proxy port
(in Web UI)
Description
Format
Default Value
Range
Example
Aastra Web UI
Configuration Files aastra.cfg, <mac>.cfg
This is the address of the outbound proxy server. All
SIP messages originating from the phone are sent to
this server. For example, if you have a Session Border
Controller in your network, then you would normally
set its address here.
IP Address or fully qualified Domain Name
0.0.0.0
Not Applicable
sip outbound proxy: 10.42.23.13
Aastra Web UI
Configuration Files aastra.cfg, <mac>.cfg
The proxy port on the proxy server to which the IP
phone sends all SIP messages.
Integer
0
Not Applicable
sip outbound proxy port: 5060
Advanced Settings->Global SIP
->Advanced SIP Settings
Advanced Settings->Global SIP
->Advanced SIP Settings
IP Phone SIP Admin Guide 137