METHOD FOR PROVIDING PUSH-TO-TALK COMMUNICATION SERVICE IN A WIRELESS COMMUNICATIONS SYSTEM
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United States of America
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Sep 21, 2017
app pub date -
Jun 23, 2016
filing date -
Jun 23, 2016
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Abstract
A method for providing push-to-talk communication service is provided. The method is used in a broadcast server and includes: receiving an invitation message from a calling device; broadcasting a plurality of push-to-talk invitation messages to a plurality of called devices identified in a group list associated with the calling device; and receiving a plurality of push-to-talk acknowledgment messages from the called devices to establish a first voice transmission path between the broadcast server and the called devices.
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