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    • 8. 发明申请
    • PROVIDING INTEROPERATION BETWEEN COMMUNICATION SYSTEMS
    • 提供通信系统之间的互动
    • WO02019757A1
    • 2002-03-07
    • PCT/US2001/025412
    • 2001-08-14
    • H04Q11/04H04M11/06
    • H04Q11/04H04Q2213/13031H04Q2213/13034H04Q2213/13107H04Q2213/13176H04Q2213/13204H04Q2213/13216H04Q2213/13292H04Q2213/13396H04Q2213/13402
    • An interworking unit (14) for providing an interface between a digital communication network (12) and a public switched telephone network (PSTN) (16) includes a de-vocoder (30), a protocol termination unit (32), and a signal combiner (34) for processing signals being transferred from the digital network (12) to the PSTN (16). A digital communication signal received by the interworking unit (14) from the digital network (12) is processed by both the de-vocoder (30) and the protocol termination unit (32). The outputs of the de-vocoder (30) and the protocol termination unit (32) are then combined into a uniquely formatted signal that is then delivered into the PSTN (12). Similar functionality is also provided for processing signals in the reverse direction. The interworking unit 14 is capable of processing signals traversing the interface between the networks (12, 16) without a priori knowledge of the signal type being processed.
    • 用于在数字通信网络(12)和公共交换电话网络(PSTN)(16)之间提供接口的互通单元(14)包括去声码器(30),协议终端单元(32)和信号 用于处理从数字网络(12)传送到PSTN(16)的信号的组合器(34)。 由数字网络(12)由互通单元(14)接收的数字通信信号由去声码器(30)和协议终端单元(32)两者进行处理。 然后,去声码器(30)和协议终端单元(32)的输出被组合成唯一格式化的信号,然后传送到PSTN(12)。 还提供了用于在相反方向处理信号的类似功能。 互通单元14能够处理跨越网络(12,16)之间的接口的信号,而无需处理信号类型的先验知识。