AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 225)

4-62 41-001343-01 Rev 03, Release 3.2.2
Configuring Rport Using the Aastra Web UI
Use the following procedure to configure Rport on your phone using the Aastra Web UI.
Aastra Web UI
1 Click on Advanced Settings->Network->Advanced Network Settings.
2 In the "Advanced Network Settings" section, enable the "Rport (RFC3581" field by checking the
check box. (Disable Rport by unchecking the box).
“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.
3 Click to save your changes.
Rport
Parameter