发明名称 Push to talk (PTT) service mobile communication system and method
摘要 A mobile communication system includes a sender terminal configured to input PTT (Push to Talk) voice data, a PTT server configured to convert the PTT voice data into VMS (Voice Mail System) formatted voice data, and a VMS server configured to receive the VMS formatted voice data from the PTT server and to transmit the VMS formatted voice data to receiver terminals.
申请公布号 US2006063513(A1) 申请公布日期 2006.03.23
申请号 US20050231897 申请日期 2005.09.22
申请人 LG ELECTRONICS INC. 发明人 CHO BYEONG-HWA
分类号 H04W4/10;H04W4/12;H04W84/08 主分类号 H04W4/10
代理机构 代理人
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