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

摘要

An apparatus and method for enabling fast set up for push-to-talk (PT)communications in a wireless communication network. PTT set up relatedmessages are identified through a specially designated header and the messageswith the special designated header are transmitted through signaling channelsfrom a radio transmission unit to a mobile device.