mCall Manager Light is a phone call blocking software for BlackBerry. It can automatically reject calls at very fast speed, divert the rejected call, send SMS to the rejected caller, and report BlackBerry’s call log
Black & Whitelist is an application which detects incoming calls and reject unwanted callers who are blacklisted or allow only whitelist numbers to come through. You can use address book rule to allow only callers in your address book. Block even if the caller''s number is unknown or private number