Patent ID: 6081712
Filing Date: 2000-06-27
Classification: H04W

Abstract:
A method for transmitting messages between devices of a mobile radiotelephone network, wherein said messages are messages received based on a call to a radiotelephone subscriber, the method comprising the steps of:providing at least one central subscriber database;providing one central target subscriber database in which subscriber data of the radiotelephone subscriber are non-temporarily stored;storing database information for identification of the central target subscriber database in said at least one central subscriber database;storing a subscriber call number of the radiotelephone subscriber with said database information as subscriber datum in said at least one central subscriber database for said messages;identifying said central target subscriber database from said database information;receiving messages by said at least one central subscriber database;transmitting said message to said central target subscriber database identified in said identifying step on a basis of stored database information;initiating a new message containing a location inquiry when said message contains a location inquiry, said new message being initiated with the subscriber call number by said at least one central subscriber database;directing said new message to said central target subscriber database including forwarding a request for a mobility number of the central target subscriber database by said at least one central subscriber database;providing at least one noncentral subscriber database;directing a roaming inquiry to said at least one noncentral subscriber database;transmitting said mobility number back to said central target subscriber database as a response to said roaming inquiry; andtransmitting said mobility number back to said at least one central subscriber database as a response to said message containing the location inquiry being received.