"TeleCommunication Systems, a provider of wireless communications solutions, Wednesday announced the U.S. Patent and Trademark Office has issued patent number 7,428,510 for "Prepaid Short Messaging." This TCS invention allows a mobile operator to provide messaging and information services to its prepaid subscribers using a method that prevents fraud and revenue loss. The invention determines if a subscriber has sufficient funds in their account to receive a short message and either delivers the message or prevents delivery of the message based on the account balance."
Source: http://www.mobilemonday.net/news/tcs-gets-a-patent-for-message-debit-solution


