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1. 发明申请

WO1996004756A1 SERVICE NODE FOR A TELEPHONY NETWORK 审中-公开
标题翻译：电话网络的服务节点
公开(公告)号：WO1996004756A1
公开(公告)日：1996-02-15
申请号：PCT/GB1995001823
申请日：1995-08-01
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY , HOLLYWOOD, Steven , JOHNSTON, John, Griffth
发明人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
IPC分类号： H04Q03/00
CPC分类号： H04M3/4228 , H04M3/487 , H04M3/533 , H04M3/54 , H04Q3/0029 , H04Q2213/1302 , H04Q2213/1304 , H04Q2213/13095 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/13107 , H04Q2213/13204 , H04Q2213/13299 , H04Q2213/13345 , H04Q2213/13377 , H04Q2213/13396 , H04Q2213/13405 , H04Q2213/13535
摘要： A service node provides a shared added value service within a telephony network, such as a public switch telephone network. Peripheral devices (21, 22, 23), such as speech applications platforms shared announcement platforms and message recording platforms, are connected to a switch (25) which operates under the control of a central control computer (24). The switch includes distributed processors (38, 52) responsive to externally originating signals, such as DTMF signals, generated while calls are being processed. The distributed processing devices supply information derived from said signals to the central control computer. Thus, it is no longer necessary for a central control computer to examine on-going calls in order to detect the presence of DTMF signalling. Detection of DTMF signalling is performed locally and information is returned back to the control computer only when relevant information has been detected. In this way, the size of the switch may be increased relative to the size of the control computer and the level of bandwidth required between the control computer and the switch is significantly reduced.
摘要翻译：服务节点在诸如公共交换机电话网络的电话网络内提供共享附加值服务。诸如语音应用平台共享通知平台和消息记录平台的外围设备（21,22,23）连接到在中央控制计算机（24）的控制下操作的交换机（25）。交换机包括响应外部发起信号（例如正在处理呼叫时产生的DTMF信号）的分布式处理器（38,52）。分布式处理装置将从所述信号得到的信息提供给中央控制计算机。因此，中央控制计算机不再需要检查正在进行的呼叫以检测DTMF信令的存在。本地执行DTMF信令的检测，只有当检测到相关信息时，才将信息返回给控制计算机。以这种方式，可以相对于控制计算机的大小增加开关的尺寸，并且显着减少控制计算机和开关之间所需的带宽水平。

2. 发明申请

WO1996004762A1 SWITCHING IN A TELECOMMUNICATIONS SERVICE NODE 审中-公开
标题翻译：在电信交换服务节点中切换
公开(公告)号：WO1996004762A1
公开(公告)日：1996-02-15
申请号：PCT/GB1995001822
申请日：1995-08-01
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY , JOHNSTON, John, Griffth
发明人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
IPC分类号： H04Q11/04
CPC分类号： H04Q11/0407
摘要： A switch (25) for a service node (18) forming part of a telecommunications network (figure 1), having a switching matrix (32) and a plurality of line interface circuits (37). Each of the line interface circuits (37) includes a cross-point switch (47), a plurality of a first type of processing means (such as digital signal processors (52), and a second type of processing means, such as a microprocessor (38). The digital signal processors are connected to the cross-point switch (47) by a serial interface (56) suitable for receiving digitised speech signals. The microprocessor is connected to the cross-point switch via a parallel bus (57) and the cross-point switch includes means for facilitating a communication between the digital signal processor and the cross-point switch.
摘要翻译：用于形成电信网络（图1）的一部分的服务节点（18）的开关（25），具有开关矩阵（32）和多个线路接口电路（37）。每个线路接口电路（37）包括交叉点开关（47），多个第一类型的处理装置（例如数字信号处理器（52））和第二类型的处理装置，诸如微处理器（38），数字信号处理器通过适合于接收数字化语音信号的串行接口（56）连接到交叉点开关（47），微处理器通过并行总线（57）连接到交叉点开关，并且交叉点开关包括用于促进数字信号处理器和交叉点开关之间的通信的装置。

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