Patent ID: 6134449
Filing Date: 2000-10-17
Classification: H04M

Abstract:
A communication system for communicating between a first device and a second device comprising:a first memory located in said first device and having a first memory location and a second memory location;a second memory located in said second device and having a first memory position;a first processor located in said first device; anda second processor located in said second device;said first processor replacing an old identification code with a new identification code in said first memory location of said first memory in response to a user command, and said second processor replacing said old identification code in said first memory position of said second memory with said new identification code in response to a request signal from said first device;wherein said first processor replaces said old identification code in said second memory location of said first memory in response to an acknowledge signal from said second device after verifying that said new identification code is included in said acknowledge signal so that said new identification code is stored in said first memory location and said second memory location of said first memory.