A CHANGING SYSTEM OF STORED NUMBER OF COMMUNICATION TERMINAL AND A CHANGING METHOD THEREOF

摘要

A designated number changing system and a changing method thereof capable of registering or changing a telephone number on a phone book of a communication terminal are provided to send a designated number changing message to a telephone number which is stored on address book of a mobile phone terminal. A central server(400) decides whether a changed number guide service is requested. If the changed number information service is requested, the center server produces the existing number information and the stock number change message including the new number information. The stock number change message is transmitted to the call request terminal. If the designated number change message is received, receiving terminals compare the existing number information included in the stock number change message and the telephone number stored in the address book. The telephone number stored in the address book is changed to the telephone number included in the new number information.