METHOD FOR SUPPLYING A VIDEO PHONE SERVICE IN A MOBILE COMMUNICATION NETWORK, SPECIFICALLY RELATED TO IMPROVING A SPEECH QUALITY OF THE VIDEO PHONE SERVICE WHILE REALIZING A SELECTIVE IMAGE SUPPLY FUNCTION

摘要

PURPOSE: A method for supplying a video phone service in a mobile communication network is provided to resolve a video phone service subscriber's discontent caused by a high-priced video phone service caused when video data is transmitted, and to resolve a speech quality problem by supplying a circuit-based voice. CONSTITUTION: If a video phone service subscriber attempts a video call(310), a voice call path and a video data call path are set(320). Voice data and video data are transmitted through the set voice call and data call paths(330). If a predetermined time elapses(340), a mobile video phone terminal stops transmitting video data while transmitting a voice only(350). If the subscriber requests the video data to be retransmitted while the voice is transmitted(360), the video data is retransmitted, and the voice and the video data are transmitted together(370).