US Patent 7797379 System and method for shared spam call blocking

A system and method for preventing unwanted communications. A communication is received from a sending party. A user input indicating the communication is to be filtered is received. Filtering information is retrieved from the communication. The communication and future communications are filtered based on filtering information. The filtering information is communicated to multiple telecommunications platforms registered with a user. The multiple telecommunications platforms are prevented from receiving the future communications based on the filtering information.