US Patent 7489950 Phone number replace code system and method

A processor-implemented method of placing telephone calls includes determining if a phone call initiated to a phone number has connected. If the phone call did not connect, then the processor determines if the phone number has an associated replace code for any subset of the phone number. If a replace code is determined to exist, then the processor replaces the subset of the phone number with the corresponding replace code to obtain a replace code number and initiates a phone call to the replace code number.