Yealink SIP-T40P User Manual page 131

Press or , or the Switch soft key to select Enabled from the Anony Rejection
4.
field.
(Optional.) Press
5.
Send Reject Code field.
The phone will send the configured on code or off code depending on your selection when
you enable or disable anonymous call rejection feature on the phone.
(Optional.) Enter the anonymous call rejection on code in the On Code field.
6.
(Optional.) Enter the anonymous call rejection off code in the Off Code field.
7.
Press the Save soft key to accept the change or the Back soft key to cancel.
8.
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 the
Basic Call Features
119