SYSTEM AND METHOD FOR PROVIDING STREAMING PUSH TALK SERVICE USING WIRELESS DATA COMMUNICATION NETWORK

摘要

The present invention relates to a system and a method for providing a push-to-talk (PTT-hereinafter referred to as push-talk) service to enable a mobile communications terminal, called a mobile telephone, a cellular phone, a smartphone, a smart pad, etc. to be used as a walkie-talkie and, more specifically, to a system and a method for providing a streaming push-talk service using a wireless data communications network, capable of performing one-way voice communications in real time without a delay by allowing two or more callers running the push-talk service to perform streaming voice communications.