Yealink SIP-T2 SERIES Administrator's Manual page 647

Description:
Enables or disables the IP phone to provide input field of outbound server on the
logon wizard during the first startup.
0-Disabled
1-Enabled
Note: It is not applicable to CP860 IP phones. It works only if there is no registered
account on the IP phone and the value of the parameter
―phone_setting.logon_wizard‖ is set to 1 (Enabled).
Web User Interface:
None
Phone User Interface:
None
To configure logon wizard feature via web user interface:
1. Click on Features->General Information.
2. Select the desired value from the pull-down list of Logon Wizard.
3. Click Confirm to accept the change.
Parameter
Configuring Advanced Features
Permitted Values Default
625