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    • 6. 发明申请
    • HYBRID PUSH-TO-TALK FOR MOBILE PHONE NETWORKS
    • 用于移动电话网络的混合按键
    • US20100142414A1
    • 2010-06-10
    • US12582601
    • 2009-10-20
    • Krishnakant M. PatelRavi AyyasamyGorachand KunduBasem A. ArdahAnand NarayananBrahmananda R. VempatiPratap Chandana
    • Krishnakant M. PatelRavi AyyasamyGorachand KunduBasem A. ArdahAnand NarayananBrahmananda R. VempatiPratap Chandana
    • H04L12/28H04B7/24H04B7/005
    • H04W4/10H04W76/10H04W76/45H04W88/14
    • A Hybrid Push-to-Talk (PTT) function for use in wireless communications networks, such as cellular mobile telephone networks. The cellular mobile telephone network includes at least one Real-Time Exchange (RTX) that interfaces to at least one Mobile Switching Center (MSC) in the cellular mobile telephone network to provide advanced voice services therein, wherein the advanced voice services provide instant two-way half-duplex voice messaging within a group of users of the cellular mobile telephone network, which is known as the Hybrid PTT function. In the Hybrid PTT function, a first talkburst or volley is transmitted by the RTX from an originating mobile to one or more terminating mobiles on one or more pre-established Internet Protocol (IP) sessions between the RTX and the mobiles. In addition, one or more circuit channels are established by the RTX with the mobiles through the MSC in parallel with the first talkburst or volley. Thereafter, second and subsequent talkbursts or volleys are transmitted by the RTX from the originating mobile to the terminating mobiles on the circuit channels.
    • 用于诸如蜂窝移动电话网络的无线通信网络中的混合一键通(PTT)功能。 蜂窝移动电话网络包括至少一个实时交换(RTX),其与蜂窝移动电话网络中的至少一个移动交换中心(MSC)接口,以在其中提供高级语音服务,其中高级语音服务提供即时二进制 在蜂窝移动电话网络的一组用户中,称为混合PTT功能的双向半双工话音消息。 在混合PTT功能中,在RTX和移动台之间的一个或多个预先建立的因特网协议(IP)会话上,RTX从起始移动台将一个第一话音突发或排球发送到一个或多个终止移动台。 另外,一个或多个电路通道与RTX一起建立,移动台通过MSC平行于第一个通话突发或凌空。 此后,第二次和随后的话音突发或频道由RTX从始发移动台发送到电路通道上的终端移动台。