Yealink SIP-T41S User Manual page 75

To configure anonymous call rejection feature for a specific line via phone user interface:
Press Menu->Features->Anonymous Call.
1.
Select the desired line from the Line ID field.
2.
Select Enabled from the Local Anonymous Rejection field.
3.
Press the Save soft key.
4.
Anonymous call rejection is configurable via web user interface at the path Account->Basic.
Anonymous Call Rejection Code
You can configure the phone to send anonymous call rejection on code/off code to activate/deactivate
the server-side anonymous call rejection feature via web user interface. Contact your system
administrator for the anonymous call rejection on code and off code.
To configure anonymous call rejection code via web user interface:
Click Account->Basic.
1.
Select the desired account from the Account field.
2.
Select the desired value from the pull-down list of Send Anonymous Rejection Code.
3.
The phone will send the configured on code or off code depending on your selection when you
enable or disable anonymous rejection call feature on the phone.
Enter the anonymous call rejection on code and off code in the On Code and Off Code field
4.
respectively.
Click Confirm.
5.
Call Features
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