Patent ID: 6041244
Filing Date: 2000-03-21
Classification: H04B,H04M,H04W

Abstract:
A radio communication apparatus for performing communication within a plurality of communication networks, each communication network having at least one base station, said radio communication apparatus having a plurality of identification codes including at least a first identification code assigned to said radio communication apparatus in a first communication network and a second identification code assigned to said radio communication apparatus in a second communication network different from said first communication network, said radio communication apparatus comprising:fixed storing means for storing some of the plurality of identification codes;detachable storing means for storing a remainder of the plurality of identification codes;means for receiving an incoming calling signal which includes any of said plurality of identification codes and which is transmitted from any base station of any one of said plurality of communication networks;means for designating one of said plurality of identification codes stored in said fixed storing means and said detachable storing means; andmeans for transmitting an outgoing calling signal via at least one of the at least one base station of the communication network to which the designated identification code is assigned, andwherein all parts of the radio communication apparatus, including a mount portion for detachably mounting said detachable storing means, are integrated and housed in a common housing.