METHOD FOR USING SIGNALING CHANNEL TO SET UP CALL REQUEST FOR PUSH TO TALK (PTT) COMMUNICATION ON WIRELESS COMMUNICATION NETWORK

摘要

PPROBLEM TO BE SOLVED: To provide an apparatus and method for enabling fast setup for push-to-talk (PTT) communications in a wireless communication network. PSOLUTION: A mobile device communicates with a wireless communication network through a signaling channel and a data channel. At a radio signal transmission point, a data packet including a PTT message is received from a data communication network, and the data packet is checked. When the PTT message in the data packet is a set-up related message, the PTT message is transmitted to the mobile device through the signaling channel. Further, when the PTT message in the data packet is not the set-up related message, the radio signal transmission point transmits the PTT message to the mobile device through a dedicated access channel. PCOPYRIGHT: (C)2011,JPO&INPIT