发明名称 Telecommunications system with notification hold
摘要 Apparatus and a method of implementing a notification and hold service in a telephone network is disclosed. A calling telecommunications device is placed on hold by the called telecommunications device, and signals an auxiliary computer system through a network switch that the calling telecommunications device is to be disconnected from the called telecommunications device. The calling telecommunications device is notified at a later time that the called telecommunications device is no longer on hold. In another embodiment of the invention, the calling telecommunications device is connected to customer premise equipment which notifies that calling telecommunications device that the called telecommunications device is no longer on hold.
申请公布号 US5668861(A) 申请公布日期 1997.09.16
申请号 US19930173385 申请日期 1993.12.23
申请人 GTE LABORATORIES INCORPORATED 发明人 WATTS, RONALD F.
分类号 H04M3/428;H04M3/48;H04M3/487;H04M7/00;(IPC1-7):H04M3/50 主分类号 H04M3/428
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