公开(公告)号：US20170272919A1

公开(公告)日：2017-09-21

申请号：US15190889

申请日：2016-06-23

Applicant: Quanta Computer Inc.

Inventor： Yu-Hsing LIN ,  Chen-Che HUANG ,  Chung-Kuo HUANG ,  Yu-Chuan CHANG ,  Chun-Hsiung FANG

IPC: H04W4/10

CPC classification number: H04W4/10

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.