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公开(公告)号:US06169735A
公开(公告)日:2001-01-02
申请号:US09287092
申请日:1999-04-07
申请人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
发明人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
IPC分类号: H04M700
CPC分类号: H04L12/5601 , H04J2203/0048 , H04J2203/0066 , H04J2203/0078 , H04L49/3081 , H04L2012/5618 , H04L2012/5626 , H04L2012/563 , H04L2012/5653 , H04L2012/5663 , H04L2012/5665 , H04L2012/5671 , H04M7/006 , H04M7/06 , H04Q3/0025 , H04Q11/0478
摘要: An Asynchronous Transfer Mode (ATM)-based distributed virtual tandem switching system is provided in which a network of ATM-based devices is combined to create a distributed virtual tandem switch. The system includes an ATM switching network that dynamically sets up individual switched virtual connections. The system also includes a trunk interworking function (T-IWF) device and a centralized control and signaling interworking function (CS-IWF) device. The trunk interworking function device converts end office voice trunks from TDM channels to ATM cells by employing a structured circuit emulation service. The centralized control and signaling interworking function device performs call control functions and interfaces narrowband signaling and broadband signaling for call processing and control within the ATM switching network. Consequently, the ATM based distributed virtual tandem switching system replaces a standard tandem switch in the PSTN.
摘要翻译: 提供了一种基于异步传输模式(ATM)的分布式虚拟串联交换系统,其中组合了基于ATM的设备的网络以创建分布式虚拟串联交换机。 该系统包括动态建立单独的交换虚拟连接的ATM交换网络。 该系统还包括中继互通功能(T-IWF)设备和集中式控制和信令交互功能(CS-IWF)设备。 中继互通功能设备通过采用结构化电路仿真服务,将终端办公语音中继从TDM信道转换为ATM信元。 集中控制和信令互通功能设备对ATM交换网内的呼叫处理和控制进行呼叫控制功能和接口窄带信令和宽带信令。 因此,基于ATM的分布式虚拟串联交换系统取代了PSTN中的标准串联交换机。
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公开(公告)号:US06345048B1
公开(公告)日:2002-02-05
申请号:US09666839
申请日:2000-09-21
申请人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
发明人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
IPC分类号: H04L1266
CPC分类号: H04L12/5601 , H04J2203/0048 , H04J2203/0066 , H04J2203/0078 , H04L49/3081 , H04L2012/5618 , H04L2012/5626 , H04L2012/563 , H04L2012/5653 , H04L2012/5663 , H04L2012/5665 , H04L2012/5671 , H04M7/006 , H04M7/06 , H04Q3/0025 , H04Q11/0478
摘要: An Asynchronous Transfer Mode (ATM)-based distributed virtual tandem switching system is provided in which a network of ATM-based devices is combined to create a distributed virtual tandem switch. The system includes an ATM switching network that dynamically sets up individual switched virtual connections. The system also includes a trunk interworking function (T-IWF) device and a centralized control and signaling interworking function (CS-IWF) device. The trunk interworking function device converts end office voice trunks from TDM channels to ATM cells by employing a structured circuit emulation service. The centralized control and signaling interworking function device performs call control functions and interfaces narrowband signaling and broadband signaling for call processing and control within the ATM switching network. Consequently, the ATM based distributed virtual tandem switching system replaces a standard tandem switch in the PSTN.
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公开(公告)号:US07099311B2
公开(公告)日:2006-08-29
申请号:US10024182
申请日:2001-12-21
申请人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
发明人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
CPC分类号: H04L12/5601 , H04J2203/0048 , H04J2203/0066 , H04J2203/0078 , H04L49/3081 , H04L2012/5618 , H04L2012/5626 , H04L2012/563 , H04L2012/5653 , H04L2012/5663 , H04L2012/5665 , H04L2012/5671 , H04M7/006 , H04M7/06 , H04Q3/0025 , H04Q11/0478
摘要: An Asynchronous Transfer Mode (ATM)-based distributed virtual tandem switching system is provided in which a network of ATM-based devices is combined to create a distributed virtual tandem switch. The system includes an ATM switching network that dynamically sets up individual switched virtual connections. The system also includes a trunk interworking function (T-IWF) device and a centralized control and signaling interworking function (CS-IWF) device. The trunk interworking function device converts end office voice trunks from TDM channels to ATM cells by employing a structured circuit emulation service. The centralized control and signaling interworking function device performs call control functions and interfaces narrowband signaling and broadband signaling for call processing and control within the ATM switching network. Consequently, the ATM based distributed virtual tandem switching system replaces a standard tandem switch in the PSTN.
摘要翻译: 提供了一种基于异步传输模式(ATM)的分布式虚拟串联交换系统,其中组合了基于ATM的设备的网络以创建分布式虚拟串联交换机。 该系统包括动态建立单独的交换虚拟连接的ATM交换网络。 该系统还包括中继互通功能(T-IWF)设备和集中式控制和信令交互功能(CS-IWF)设备。 中继互通功能设备通过采用结构化电路仿真服务,将终端办公语音中继从TDM信道转换为ATM信元。 集中控制和信令互通功能设备对ATM交换网内的呼叫处理和控制进行呼叫控制功能和接口窄带信令和宽带信令。 因此,基于ATM的分布式虚拟串联交换系统取代了PSTN中的标准串联交换机。
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公开(公告)号:US06219348B1
公开(公告)日:2001-04-17
申请号:US09562725
申请日:2000-05-01
申请人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
发明人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
IPC分类号: H04L1266
CPC分类号: H04L12/5601 , H04J2203/0048 , H04J2203/0066 , H04J2203/0078 , H04L49/3081 , H04L2012/5618 , H04L2012/5626 , H04L2012/563 , H04L2012/5653 , H04L2012/5663 , H04L2012/5665 , H04L2012/5671 , H04M7/006 , H04M7/06 , H04Q3/0025 , H04Q11/0478
摘要: An Asynchronous Transfer Mode (ATM)-based distributed virtual tandem switching system is provided in which a network of ATM-based devices is combined to create a distributed virtual tandem switch. The system includes an ATM switching network that dynamically sets up individual switched virtual connections. The system also includes a trunk interworking function (T-IWF) device and a centralized control and signaling interworking finction (CS-IWF) device. The trunk interworking function device converts end office voice trunks from TDM channels to ATM cells by employing a structured circuit emulation service. The centralized control and signaling interworking function device performs call control functions and interfaces narrowband signaling and broadband signaling for call processing and control within the ATM switching network. Consequently, the ATM based distributed virtual tandem switching system replaces a standard tandem switch in the PSTN.
摘要翻译: 提供了一种基于异步传输模式(ATM)的分布式虚拟串联交换系统,其中组合了基于ATM的设备的网络以创建分布式虚拟串联交换机。 该系统包括动态建立单独的交换虚拟连接的ATM交换网络。 该系统还包括中继互通功能(T-IWF)设备和集中式控制和信令交互功能(CS-IWF)设备。 中继互通功能设备通过采用结构化电路仿真服务,将终端办公语音中继从TDM信道转换为ATM信元。 集中控制和信令互通功能设备对ATM交换网内的呼叫处理和控制进行呼叫控制功能和接口窄带信令和宽带信令。 因此,基于ATM的分布式虚拟串联交换系统取代了PSTN中的标准串联交换机。
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公开(公告)号:US06389011B2
公开(公告)日:2002-05-14
申请号:US09794914
申请日:2001-02-28
申请人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
发明人: George C. Allen, Jr. , Haifeng Bi , Steven R. Partridge , Samuel Sigarto , Richard W. Stephenson
IPC分类号: H01L1266
CPC分类号: H04L12/5601 , H04J2203/0048 , H04J2203/0066 , H04J2203/0078 , H04L49/3081 , H04L2012/5618 , H04L2012/5626 , H04L2012/563 , H04L2012/5653 , H04L2012/5663 , H04L2012/5665 , H04L2012/5671 , H04M7/006 , H04M7/06 , H04Q3/0025 , H04Q11/0478
摘要: An Asynchronous Transfer Mode (ATM)-based distributed virtual tandem switching system is provided in which a network of ATM-based devices is combined to create a distributed virtual tandem switch. The system includes an ATM switching network that dynamically sets up individual switched virtual connections. The system also includes a trunk interworking function (T-IWF) device and a centralized control and signaling interworking function (CS-IWF) device. The trunk interworking function device converts end office voice trunks from TDM channels to ATM cells by employing a structured circuit emulation service. The centralized control and signaling interworking function device performs call control functions and interfaces narrowband signaling and broadband signaling for call processing and control within the ATM switching network. Consequently, the ATM based distributed virtual tandem switching system replaces a standard tandem switch in the PSTN.
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