A method of transmitting one text message to a plurality of receivers is disclosed. The method includes inputting numbers of the receivers and a text message to be transmitted, determining a type of a transmission speed of the inputted text message, and transmitting the inputted text message of the determined...http://www.google.de/patents/US7688955?utm_source=gb-gplus-sharePatent US7688955 - Method of transmitting one text message to many receivers
