METHOD FOR PROVIDING PHONE-BOOK SERVICE USING SWITCHED TELEPHONE NETWORK IN PHONE-BOOK SERVICE SYSTEM

摘要

PURPOSE: A method for providing phone-book service using switched telephone network in phone-book service system is provided to offer phone-book service through voice channel of switched telephone network. CONSTITUTION: A subscriber terminal(CPE)(20) is connected through a PSTN or ISDN of a custom premise. A long message service server(ILMC)(22) is connected to a public switched telephone network(21) via No.7 signaling. A respective new LMS protocol is loaded in a subscriber terminal and long message service server. A main body of message includes phone-book which is divided into a predetermined size.