Epic Applications is having a sale on their Call Blocker Professional BlackBerry application where you can get it at 50% off the regular price! Some people don’t like getting phone calls from blocked numbers or from numbers not on their “Top 5″ before a certain hour because of minute usage and whatnot. Whatever the reason may be, blocking a number, contact or all calls might be what you’d want to do but can’t because of software or carrier limitations.

Call Blocker Professional allows you to block numbers with amazing speed and offers some great features:

• Pick up and hang up on the caller, or send them to voicemail
• Extremely quick blocking and efficient operation through integration with Options screen, along with an icon to show you the current mode (Enabled or Disabled)
• Comprehensive bulk blocking options–private numbers, unknown numbers, numbers not in your contacts, or even all numbers for privacy
• Easily add numbers from your call logs or contact list, or by entering by hand
• Block entire area codes (800, 866, etc)
• Automatically send SMS to callers to let them know you are busy, or any other message you want
• Automatically turn on and off at given times
• Block calls even on call waiting
• Works while locked or holstered
• Whitelist to allow for certain callers to always get through
• Back up and restore your settings to avoid ever having to re-enter
• Fully customizable to fit your needs

Call Blocker Professional is compatible with all BlackBerry devices running OS 4.3 or higher and is available at 50% off for $2.99 until December 31st. Check out the video above to see it in action and be sure not to blink or you’ll miss it block a call .