You can use anonymous call to block your identify and phone number from appearing to the recipient. Anonymous call is configurable on a per-line basis.
You can also use Telebroad's TeleConsole to select an Unknown caller ID or Telebroad's Private Caller ID dial code to achieve the same result.
The Yealink phone also has a feature to automatically block incoming anonymous calls
Making Anonymous Calls
To enable or disable anonymous call:
- Press Menu>Features>Anonymous Call.
- Press
or 
, or the Switch soft key to select the desired line from the Line ID field. - Press the Switch soft key to select Enabled or Disabled from the Local Anonymous field.
Press the Save soft key to accept the change or the Back soft key to cancel.
Rejecting Anonymous Calls
You can use anonymous call rejection to reject incoming calls from anonymous callers. Anonymous call rejection automatically rejects incoming calls from callers who deliberately block their identities and numbers from being displayed. Anonymous call rejection is configurable on a per-line basis.
To enable anonymous call rejection:
- Press Menu>Features>Anonymous Call.
- Press or , or the Switch soft key to select the desired line from the Account ID field.
- Press
or 
to scroll to the Anony Rejection field. - Press or , or the Switch soft key to select Enabled from the Anony Rejection field.
- 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.