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    • 2. 发明授权
    • Remotely activated on-hold circuit
    • 远程激活保持电路
    • US09137356B1
    • 2015-09-15
    • US13872125
    • 2013-04-28
    • Scott Holmes StaplefordGary Nelson Stapleford
    • Scott Holmes StaplefordGary Nelson Stapleford
    • H04M11/00H04M1/80
    • H04M1/80H04M1/0289H04M1/72513
    • A system for adding wireless on-hold capability to standard single or multi-line telephones connected to one or more phone lines. The system includes a wireless on-hold unit with transceiver associated with each telephone and each on-hold unit includes a button for each telephone line for indicating when a telephone line is to be placed into or removed from an on-hold state and a visual indicator indicating which state each telephone line is in. The system also includes a central control unit with transceiver hard wired connected between the phone lines and the telephone(s) connected to each phone line, and the central control unit places a phone line in an on-hold state or removes the on-hold state based on signals wirelessly received from the on-hold units.
    • 一种用于向连接到一个或多个电话线的标准单线或多线电话添加无线保持能力的系统。 该系统包括具有与每个电话相关联的收发器的无线保持单元,并且每个保持单元包括用于每个电话线的按钮,用于指示何时将电话线放置在保持状态或从保持状态移除视觉 指示器,其指示每个电话线路的状态。系统还包括中央控制单元,其中收发机硬连接在电话线和连接到每个电话线的电话之间,并且中央控制单元将电话线放置在 保持状态或基于从保持单元无线地接收的信号来去除保持状态。