Android TIP #4 : how to route certain callers always to voicemail
by Chilldor
If you wish to send unwanted callers directly to your voicemail you can achieve it by following these simple steps:
(1) first open the person’s profile in your standard Contacts list.
(2) then press the Menu button
(3) after which tap Options
(4) and finally check the Incoming calls box.
That’s is all!