Yealink SIP-T2 Series Administrator's Manual page 183

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.
2. Select the desired value from the pull-down list of Use Outbound Proxy In Dialog.
3. Click Confirm to accept the change.
Parameter
Configuring Basic Features
Permitted Values Default
0 or 1 1
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