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    • 7. 发明授权
    • System and method for transmitting and playing alert tones in a push-to-talk system
    • 在即按即说系统中发送和播放提示音的系统和方法
    • US08406797B2
    • 2013-03-26
    • US10924481
    • 2004-08-24
    • Jonathan K. Kies
    • Jonathan K. Kies
    • H04B7/00
    • H04M19/04H04L65/1016H04L65/4061H04M1/578H04M1/7255
    • A system and method for transmitting alert tone information among communicating wireless devices to identify a speaker in a push-to-talk system. A predefined set of alert tones is stored in a wireless device, and when a user presses a push-to-talk button on the wireless device, the wireless device displays a list of predefined alert tones to the user to select. After the user selects an alert tone, the wireless device transmits an alert tone code associated with the selected alert tone to a server for relaying to every wireless device in a push-to-talk communication group. When a receiving wireless device receives the alert tone code, it retrieves an alert tone corresponding to the alert tone code from the predefined set and plays the alert tone to the user of the wireless device.
    • 一种用于在通信无线设备之间发送警报音信息以识别即按即说系统中的扬声器的系统和方法。 预定义的一组警报音被存储在无线设备中,并且当用户按下无线设备上的一键通按钮时,无线设备向用户显示预定义的警报音的列表以供选择。 在用户选择提示音之后,无线设备将与所选择的提示音相关联的提示音代码发送到服务器,以便中继到即按即说通信组中的每个无线设备。 当接收无线设备接收到提示音代码时,它从预定义的集合中检索与警报音代码相对应的提示音,并向无线设备的用户播放警报音。