Aastra Telecom REV 06 - Manual (Page 128)

Features in Release 2.2
124 RN-001029-00, Rev 06, Release 2.2
IP Phone Release Notes 2.2
Configuring Rport Using the Configuration Files
Use the following parameter to configure Rport on your phone.
• sip rport
Parameter –
sip rport Aastra Web UI: Advanced Settings->Network->
Advanced Network Settings
Configuration Files aastra.cfg, .cfg
Description Allows you to enable (1) or disable (0) the use of Rport on the IP phone.
“Rport” in RFC 3581, allows a client to request that the server send the
response back to the source IP address and the port from which the
request came.
Format Boolean
Default Value 0
Range 0 (disable)
1 (enable)
Example sip rport: 1