Yealink SIP-T2XP Administrator's Manual page 198

Administrator's Guide for SIP-T2xP IP Phones
Local
Details of the Configuration Parameter:
sip.use_out_bound_in_dialog
Description:
Enables or disables the IP phone to keep sending SIP requests to the outbound proxy
server in a dialog.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), all the SIP request messages from the IP phone will be
forced to send to the outbound proxy server in a dialog.
Note: If you change this parameter, the IP phone will reboot to make the change take
effect.
Web User Interface:
Features->General Information->Use Outbound Proxy In Dialog
Phone User Interface:
None
To specify whether to use outbound proxy server in a dialog via web user interface:
1. Click on Features->General Information.
180
Web User Interface
Parameter
sip.use_out_bound_in_dialog
Specify whether to use outbound
proxy in a dialog.
Navigate to:
http://<phoneIPAddress>/servlet
?p=features-general&q=load
Permitted Values
0 or 1
Default
1