BIDIRECTIONAL VOICE CALL AND VOICE MESSENGER SERVICE SYSTEM USING MOBILE COMMUNICATION NETWORK AND METHOD THEREFOR

摘要

PURPOSE: A bidirectional voice call and voice messenger service system using a mobile communication network and a method therefor are provided to inexpensively transmit and receive a voice message. CONSTITUTION: An origination-side mobile terminal(1a) records the voice of a subscriber, composes voice message data including the voice of the subscriber, and transmits the voice message data. At least one or more termination-side mobile terminals(1b,1c) receive the voice message data. An LDWT(Long Distance Worky-Talky) server(5) controls a bidirectional communication between the origination-side mobile terminal(1a) and the termination-side mobile terminals(1b,1c).