Iphone App for Blocking Unwanted Calls/SMS/MMS

Require an iphone app for blocking calls/SMS/MMS from priviate blacklist and public blacklist (i.e. junk calls/sms/mms) Features: (1) When calling from a number on a list (private or public), user preset options will function (e.g. voicemail, busy tone, not connected, no action, etc.) (2) A number from the user's phone book, recent call list or manually input, can be made as either privately or publicly blacklisted. (3) If publicly blacklisted, the public master list will be updated, which contains information about 1st report time, no. of diff. users reported and call purpose (e.g. sales call), (4) Updated public master list can be pushed to the phone soonest (e.g. hourly) (not thru' MS Exchange Server since not all users use it). Please suggest how to do it. Other things: (A) For App Store Use (Not for the Jailbreak Cydia) (B) Complete in 2 weeks. (C) Must accept our payment term: One lump-sum payment (no deposit) after the App Store has approved the application. (D) Reference application: HK Junkcall (for app store); iBlacklist and McCleaner (for Cydia) Regards