Yealink SIP-T41P User Manual page 109

4. Press or , or the Switch soft key to select Enabled from the Local
Anonymous Rejection field.
5. (Optional.)Press
the Send Anonymous Rejection Code field.
6. (Optional.) Enter the anonymous call rejection on code and off code respectively in
the On Code and Off Code field.
The phone will send the configured on code or off code depending on your
selection when you enable or disable local anonymous rejection feature on the
phone.
7. Press the Save soft key to accept the change or the Back soft key to cancel.
Anonymous call rejection is configurable via web user interface at the path
Account->Basic.
or , or the Switch soft key to select the desired value from
Basic Call Features
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