发明名称 Push-to-talk service mobile communication system and method
摘要 <p>A mobile communication system includes a sender terminal (10) configured to input PTT (Push to Talk) voice data, a PTT server (20) configured to convert the PTT voice data into VMS (Voice Mail System) formatted voice data, and a VMS server (50) configured to receive the VMS formatted voice data from the PTT server and to transmit the VMS formatted voice data to receiver terminals (60). </p>
申请公布号 EP1641230(A3) 申请公布日期 2007.12.26
申请号 EP20050020364 申请日期 2005.09.19
申请人 LG ELECTRONICS INC. 发明人 CHO, BYEONG-HWA
分类号 H04M3/533;H04W4/10;H04W4/12;H04W84/08 主分类号 H04M3/533
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