US Patent 7289609 Method and device for broadcasting messages

A method is provide for using a communication device which comprises a plurality of ports adapted to receive a plurality of communication sessions. The method comprises the steps of identifying subscribers having at least a first common characteristic, retrieving real time updated information applicable to the identified subscribers and broadcasting to these subscribers a message based on the real time updated information retrieved via designated ports connected to the communication device, wherein the number of designated ports is less than the number of ports utilized by these subscribers.