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1. 发明授权

US5881142A Integrated communications control device for a small office configured for coupling within a scalable network 失效
公开(公告)号：US5881142A
公开(公告)日：1999-03-09
申请号：US504645
申请日：1995-07-18
申请人： David P. Frankel , Gregory E. Pounds , William D. Strauss
发明人： David P. Frankel , Gregory E. Pounds , William D. Strauss
IPC分类号： H04M1/247 , H04M1/663 , H04M1/723 , H04Q11/04 , H04M1/60 , H04M3/42
CPC分类号： H04M1/2473 , H04M1/663 , H04M1/723 , H04Q11/0435 , H04Q2213/13003 , H04Q2213/13034 , H04Q2213/1305 , H04Q2213/13056 , H04Q2213/1308 , H04Q2213/13093 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/13107 , H04Q2213/13164 , H04Q2213/13176 , H04Q2213/13179 , H04Q2213/13199 , H04Q2213/13204 , H04Q2213/13209 , H04Q2213/13213 , H04Q2213/1322 , H04Q2213/13222 , H04Q2213/1326 , H04Q2213/1328 , H04Q2213/13292 , H04Q2213/13378 , H04Q2213/13396 , H04Q2213/13405
摘要： An integrated communications control device integrates the telecommunications environment of a small office with an interface to the telephone network. The device is a stand alone unit including a programmable control processor configured by a user based on the telephonic equipment within the office and the user's needs. The device is utilized to control telephone and data communications within the office. The device interfaces with a computer allowing the user to configure the system and create a customized telephonic environment using the personal computer. Alternatively, the device may be integrated into the PC with a plug-in card. Standard telephone interfaces are provided for interfacing to telephonic equipment such as telephones, modems and facsimile machines. Additionally, an ISDN interface allows the device to interface with and communicate over the ISDN, thereby providing a gateway to the PSTN. A display provides users with current operational status of the system. The display also includes input buttons which allow the user to make real-time configuration adjustments. Alternatively, the display includes an audio interface wherein the user is prompted and enters responsive data through the input buttons or the personal computer. Alternatively, the user provides responsive data using spoken commands interpreted by the device. Intelligence is resident within each device allowing the device to control and monitor telephonic traffic for a single user within an office over the equipment coupled within the system. This localized intelligence also allows a plurality of such devices, each at different offices, to be linked in a network environment, wherein multiple users can each have their own device and yet be linked together in a virtual office. This virtual office provides such standard office capabilities as message and call transfers between respective control devices and users at remote locations.

2. 发明授权

US08588213B2 Systems and methods for generating power in a communications system 有权
标题翻译：用于在通信系统中发电的系统和方法
公开(公告)号：US08588213B2
公开(公告)日：2013-11-19
申请号：US12592723
申请日：2009-11-30
申请人： Gregory E. Pounds , William D. Strauss , Scott K. Pickett
发明人： Gregory E. Pounds , William D. Strauss , Scott K. Pickett
IPC分类号： H04L12/66
CPC分类号： H04L29/06027 , H04L12/10 , H04L12/2856 , H04L12/2896 , H04L12/43 , H04L12/6418 , H04L29/06 , H04L29/12009 , H04L61/00 , H04L65/1043 , H04L67/00 , H04L69/18 , H04L69/324 , H04L69/329 , H04L2012/6408 , H04L2012/6424 , H04L2012/6459 , H04L2012/6472 , H04L2012/6481 , H04M3/2254 , H04M3/42314 , H04M3/42323 , H04M3/51 , H04M3/533 , H04M3/54 , H04M3/56 , H04M7/006 , H04Q3/0045 , H04Q3/72 , H04Q11/04 , H04Q2213/13034 , H04Q2213/1322 , H04Q2213/13377 , H04Q2213/13389
摘要： Systems and methods by which voice/data communications may occur in multiple modes/protocols are disclosed. In particular, systems and methods are provided for multiple native mode/protocol voice and data transmissions and receptions with a computing system having a multi-bus structure, including, for example, a TDM bus and a packet bus, and multi-protocol framing engines. Such systems preferably include subsystem functions such as PBX, voice mail and other telephony functions, LAN hub and data router or switch functions. In preferred embodiments, a TDM bus and a packet bus are intelligently bridged and managed, thereby enabling such multiple mode/protocol voice and data transmissions to be intelligently managed and controlled with a single, integrated system. In particular, systems and methods for generating required telephony voltages directly on station cards, rather than on the basis of a large, central ringing or other power supply that supply such telephony voltages to each of the station cards, are disclosed. In accordance with the present invention, a plurality of station cards are provided in the telephony or communications system. One or more DC power supplies provide a source of DC voltage, such as 12 volts, to each of the station cards. The station cards are coupled to a processor of the system. The station cards may support a plurality of analog and/or digital telephony devices, such as telephones facsimile, voice mail, recording, speakerphone, conferencing or other type telephony devices.
摘要翻译：公开了可以在多种模式/协议中发生语音/数据通信的系统和方法。特别地，提供了用于具有多总线结构的计算系统的多个本机模式/协议语音和数据传输和接收的系统和方法，包括例如TDM总线和分组总线，以及多协议成帧引擎。这样的系统优选地包括诸如PBX，语音邮件和其他电话功能的子系统功能，LAN集线器和数据路由器或交换机功能。在优选实施例中，TDM总线和分组总线被智能地桥接和管理，从而使得能够利用单个集成系统来智能地管理和控制这种多模式/协议语音和数据传输。特别地，公开了用于在站卡上直接产生所需电话电压的系统和方法，而不是基于向每个站卡提供这种电话电压的大型中央振铃或其他电源。根据本发明，在电话或通信系统中提供多个站卡。一个或多个直流电源向每个站卡提供诸如12伏的直流电压源。站卡耦合到系统的处理器。站卡可以支持多个模拟和/或数字电话设备，例如电话传真，语音邮件，记录，免提电话，会议或其他类型的电话设备。

3. 发明授权

US07626981B2 Systems and methods for TDM/packet communications using telephony station cards including voltage generators 有权
标题翻译：使用包括电压发生器的电话台卡进行TDM /分组通信的系统和方法
公开(公告)号：US07626981B2
公开(公告)日：2009-12-01
申请号：US11480255
申请日：2006-06-29
申请人： Gregory E. Pounds , William D. Strauss , Scott K. Pickett
发明人： Gregory E. Pounds , William D. Strauss , Scott K. Pickett
IPC分类号： H04L12/66
CPC分类号： H04L29/06027 , H04L12/10 , H04L12/2856 , H04L12/2896 , H04L12/43 , H04L12/6418 , H04L29/06 , H04L29/12009 , H04L61/00 , H04L65/1043 , H04L67/00 , H04L69/18 , H04L69/324 , H04L69/329 , H04L2012/6408 , H04L2012/6424 , H04L2012/6459 , H04L2012/6472 , H04L2012/6481 , H04M3/2254 , H04M3/42314 , H04M3/42323 , H04M3/51 , H04M3/533 , H04M3/54 , H04M3/56 , H04M7/006 , H04Q3/0045 , H04Q3/72 , H04Q11/04 , H04Q2213/13034 , H04Q2213/1322 , H04Q2213/13377 , H04Q2213/13389
摘要： Systems and methods by which voice/data communications may occur in multiple modes/protocols are disclosed. In particular, systems and methods are provided for multiple native mode/protocol voice and data transmissions and receptions with a computing system having a multi-bus structure, including, for example, a TDM bus and a packet bus, and multi-protocol framing engines. Such systems preferably include subsystem functions such as PBX, voice mail and other telephony functions, LAN hub and data router or switch functions. In preferred embodiments, a TDM bus and a packet bus are intelligently bridged and managed, thereby enabling such multiple mode/protocol voice and data transmissions to be intelligently managed and controlled with a single, integrated system. In particular, systems and methods for generating required telephony voltages directly on station cards, rather than on the basis of a large, central ringing or other power supply that supply such telephony voltages to each of the station cards, are disclosed. In accordance with the present invention, a plurality of station cards are provided in the telephony or communications system. One or more DC power supplies provide a source of DC voltage, such as 12 volts, to each of the station cards. The station cards are coupled to a processor of the system. The station cards may support a plurality of analog and/or digital telephony devices, such as telephones facsimile, voice mail, recording, speakerphone, conferencing or other type telephony devices.
摘要翻译：公开了可以在多种模式/协议中发生语音/数据通信的系统和方法。特别地，提供了用于具有多总线结构的计算系统的多个本机模式/协议语音和数据传输和接收的系统和方法，包括例如TDM总线和分组总线，以及多协议成帧引擎。这样的系统优选地包括诸如PBX，语音邮件和其他电话功能的子系统功能，LAN集线器和数据路由器或交换机功能。在优选实施例中，TDM总线和分组总线被智能地桥接和管理，从而使得能够利用单个集成系统智能地管理和控制这种多模式/协议语音和数据传输。特别地，公开了用于在站卡上直接产生所需电话电压的系统和方法，而不是基于向每个站卡提供这种电话电压的大型中央振铃或其他电源。根据本发明，在电话或通信系统中提供多个站卡。一个或多个直流电源向每个站卡提供诸如12伏的直流电压源。站卡耦合到系统的处理器。站卡可以支持多个模拟和/或数字电话设备，例如电话传真，语音邮件，记录，免提电话，会议或其他类型的电话设备。

4. 发明授权

US07072330B2 Systems for voice and data communications having TDM and packet buses and telephony station cards including voltage generators 失效
标题翻译：具有TDM和分组总线的语音和数据通信系统以及包括电压发生器的电话站卡
公开(公告)号：US07072330B2
公开(公告)日：2006-07-04
申请号：US09843642
申请日：2001-04-25
申请人： Gregory E. Pounds , William D. Strauss , Scott K. Pickett
发明人： Gregory E. Pounds , William D. Strauss , Scott K. Pickett
IPC分类号： H04L12/66
CPC分类号： H04L29/06027 , H04L12/10 , H04L12/2856 , H04L12/2896 , H04L12/43 , H04L12/6418 , H04L29/06 , H04L29/12009 , H04L61/00 , H04L65/1043 , H04L67/00 , H04L69/18 , H04L69/324 , H04L69/329 , H04L2012/6408 , H04L2012/6424 , H04L2012/6459 , H04L2012/6472 , H04L2012/6481 , H04M3/2254 , H04M3/42314 , H04M3/42323 , H04M3/51 , H04M3/533 , H04M3/54 , H04M3/56 , H04M7/006 , H04Q3/0045 , H04Q3/72 , H04Q11/04 , H04Q2213/13034 , H04Q2213/1322 , H04Q2213/13377 , H04Q2213/13389
摘要： Systems and methods by which voice/data communications may occur in multiple modes/protocols are disclosed. In particular, systems and methods are provided for multiple native mode/protocol voice and data transmissions and receptions with a computing system having a multi-bus structure, including, for example, a TDM bus and a packet bus, and multi-protocol framing engines. Such systems preferably include subsystem functions such as PBX, voice mail and other telephony functions, LAN hub and data router or switch functions. In preferred embodiments, a TDM bus and a packet bus are intelligently bridged and managed, thereby enabling such multiple mode/protocol voice and data transmissions to be intelligently managed and controlled with a single, integrated system. In particular, systems and methods for generating required telephony voltages directly on station cards, rather than on the basis of a large, central ringing or other power supply that supply such telephony voltages to each of the station cards, are disclosed. In accordance with the present invention, a plurality of station cards are provided in the telephony or communications system. One or more DC power supplies provide a source of DC voltage, such as 12 volts, to each of the station cards. The station cards are coupled to a processor of the system. The station cards may support a plurality of analog and/or digital telephony devices, such as telephones facsimile, voice mail, recording, speakerphone, conferencing or other type telephony devices.
摘要翻译：公开了可以在多种模式/协议中发生语音/数据通信的系统和方法。特别地，提供了用于具有多总线结构的计算系统的多个本机模式/协议语音和数据传输和接收的系统和方法，包括例如TDM总线和分组总线，以及多协议成帧引擎。这样的系统优选地包括诸如PBX，语音邮件和其他电话功能的子系统功能，LAN集线器和数据路由器或交换机功能。在优选实施例中，TDM总线和分组总线被智能地桥接和管理，从而使得能够利用单个集成系统智能地管理和控制这种多模式/协议语音和数据传输。特别地，公开了用于在站卡上直接产生所需电话电压的系统和方法，而不是基于向每个站卡提供这种电话电压的大型中央振铃或其他电源。根据本发明，在电话或通信系统中提供多个站卡。一个或多个直流电源向每个站卡提供诸如12伏的直流电压源。站卡耦合到系统的处理器。站卡可以支持多个模拟和/或数字电话设备，例如电话传真，语音邮件，记录，免提电话，会议或其他类型的电话设备。

5. 发明申请

US20100208727A1 Systems and methods for generating power in a communications system 有权
标题翻译：用于在通信系统中发电的系统和方法
公开(公告)号：US20100208727A1
公开(公告)日：2010-08-19
申请号：US12592723
申请日：2009-11-30
申请人： Gregory E. Pounds , William D. Strauss , Scott K. Pickett
发明人： Gregory E. Pounds , William D. Strauss , Scott K. Pickett
IPC分类号： H04L12/66
CPC分类号： H04L29/06027 , H04L12/10 , H04L12/2856 , H04L12/2896 , H04L12/43 , H04L12/6418 , H04L29/06 , H04L29/12009 , H04L61/00 , H04L65/1043 , H04L67/00 , H04L69/18 , H04L69/324 , H04L69/329 , H04L2012/6408 , H04L2012/6424 , H04L2012/6459 , H04L2012/6472 , H04L2012/6481 , H04M3/2254 , H04M3/42314 , H04M3/42323 , H04M3/51 , H04M3/533 , H04M3/54 , H04M3/56 , H04M7/006 , H04Q3/0045 , H04Q3/72 , H04Q11/04 , H04Q2213/13034 , H04Q2213/1322 , H04Q2213/13377 , H04Q2213/13389
摘要： Systems and methods by which voice/data communications may occur in multiple modes/protocols are disclosed. In particular, systems and methods are provided for multiple native mode/protocol voice and data transmissions and receptions with a computing system having a multi-bus structure, including, for example, a TDM bus and a packet bus, and multi-protocol framing engines. Such systems preferably include subsystem functions such as PBX, voice mail and other telephony functions, LAN hub and data router or switch functions. In preferred embodiments, a TDM bus and a packet bus are intelligently bridged and managed, thereby enabling such multiple mode/protocol voice and data transmissions to be intelligently managed and controlled with a single, integrated system. In particular, systems and methods for generating required telephony voltages directly on station cards, rather than on the basis of a large, central ringing or other power supply that supply such telephony voltages to each of the station cards, are disclosed. In accordance with the present invention, a plurality of station cards are provided in the telephony or communications system. One or more DC power supplies provide a source of DC voltage, such as 12 volts, to each of the station cards. The station cards are coupled to a processor of the system. The station cards may support a plurality of analog and/or digital telephony devices, such as telephones facsimile, voice mail, recording, speakerphone, conferencing or other type telephony devices.
摘要翻译：公开了可以在多种模式/协议中发生语音/数据通信的系统和方法。特别地，提供了用于具有多总线结构的计算系统的多个本机模式/协议语音和数据传输和接收的系统和方法，包括例如TDM总线和分组总线，以及多协议成帧引擎。这样的系统优选地包括诸如PBX，语音邮件和其他电话功能的子系统功能，LAN集线器和数据路由器或交换机功能。在优选实施例中，TDM总线和分组总线被智能地桥接和管理，从而使得能够利用单个集成系统智能地管理和控制这种多模式/协议语音和数据传输。特别地，公开了用于在站卡上直接产生所需电话电压的系统和方法，而不是基于向每个站卡提供这种电话电压的大型中央振铃或其他电源。根据本发明，在电话或通信系统中提供多个站卡。一个或多个直流电源向每个站卡提供诸如12伏的直流电压源。站卡耦合到系统的处理器。站卡可以支持多个模拟和/或数字电话设备，例如电话传真，语音邮件，记录，免提电话，会议或其他类型的电话设备。

6. 外观设计

USD658667S1 Graphical user interface for a computer 有权
标题翻译：计算机的图形用户界面
公开(公告)号：USD658667S1
公开(公告)日：2012-05-01
申请号：US29356411
申请日：2010-02-25
申请人： Jonathan Cho , Chris Koverman , Gregory E. Pounds
设计人： Jonathan Cho , Chris Koverman , Gregory E. Pounds

7. 发明授权

US06400711B1 Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for performing telephony and data functions using the same 有权
公开(公告)号：US06400711B1
公开(公告)日：2002-06-04
申请号：US09433914
申请日：1999-10-03
申请人： Gregory E. Pounds , Chris A. Trees , Scott K. Pickett
发明人： Gregory E. Pounds , Chris A. Trees , Scott K. Pickett
IPC分类号： H04L1266
CPC分类号： H04L65/103 , H04L12/2856 , H04L12/2859 , H04L12/2874 , H04L12/2881 , H04L12/43 , H04L12/6418 , H04L29/06 , H04L29/06027 , H04L29/12009 , H04L61/00 , H04L65/1026 , H04L65/1036 , H04L65/104 , H04L65/1043 , H04L65/1069 , H04L67/00 , H04L69/329 , H04L2012/6459 , H04L2012/6472 , H04L2012/6481 , H04M3/2254 , H04M3/42314 , H04M3/42323 , H04M3/4936 , H04M3/51 , H04M3/533 , H04M3/54 , H04M3/56 , H04M7/006 , H04M7/1295 , H04M2203/2061 , H04Q3/0045 , H04Q3/72 , H04Q11/04 , H04Q2213/13034 , H04Q2213/1322 , H04Q2213/13377 , H04Q2213/13389
摘要： Systems and methods by which voice/data communications may occur in multiple modes/protocols are disclosed. In particular, systems and methods are provided for multiple native mode/protocol voice and data transmissions and receptions with a computing system having a multi-bus structure, including, for example, a TDM bus and a packet bus, and multi-protocol framing engines. Such systems preferably include subsystem functions such as PBX, voice mail and other telephony functions, LAN hub and data router. In preferred embodiments, a TDM bus and a packet bus are intelligently bridged and managed, thereby enabling such multiple mode/protocol voice and data transmissions to be intelligently managed and controlled with a single, integrated system. A computer or other processor includes a local area network controller, which provides routing and hub(s) for one or more packet networks. The computer also is coupled to a buffer/framer, which serves to frame/deframe data to/from the computer from TDM bus. The buffer/framer includes a plurality of framer/deframer engines, supporting, for example, ATM and HDLC framing/deframing. The buffer/framer is coupled to the TDM bus by way of a switch/multiplexer, which includes the capability to intelligently map data traffic between the buffer/framer and the TDM bus to various slots of the TDM frames. Preferably, a DSP pool is coupled to buffer/framer in a manner to provide various signal processing and telecommunications support, such as dial tone generation, DTMF detection and the like. The TDM bus is coupled to a various line/station cards, serving to interface the TDM bus with telephone, facsimiles and other telecommunication devices, and also with a various digital and/or analog WAN network services.

8. 发明授权

US08626855B2 Method and apparatus for cordless phone and other telecommunications services 有权
标题翻译：无绳电话和其他电信业务的方法和装置
公开(公告)号：US08626855B2
公开(公告)日：2014-01-07
申请号：US13014560
申请日：2011-01-26
申请人： Gregory E. Pounds , Timothy J. Kusumi
发明人： Gregory E. Pounds , Timothy J. Kusumi
IPC分类号： G06F15/16 , G06F15/173 , H04M11/10 , G06F3/00
CPC分类号： H04M1/72525 , H04L29/06027 , H04L51/04 , H04L51/24 , H04L65/1006 , H04L65/103 , H04L65/104 , H04L65/4007 , H04L67/14 , H04L67/32 , H04M1/2535 , H04M1/274516 , H04M1/72502 , H04M1/72547 , H04M1/72561 , H04M7/0045 , H04M2250/06 , H04M2250/08
摘要： Systems, methods and apparatus are provided that combine a software application framework within a variety of consumer communication devices to provide enhanced functionality. The enhanced functionality devices can then be controlled and integrated into an Internet based application and delivery service, connected by various networking technologies including, e.g., broadband communication systems. Centralized and distributed services allow a user to modify a variety of parameters that will ultimately control how information is delivered. The solution can also be controlled by service providers as a method for integrating their existing application infrastructure and potentially new applications within an overall broadband communication service.
摘要翻译：提供了将各种消费者通信设备之间的软件应用框架组合以提供增强的功能的系统，方法和装置。然后可以将增强的功能设备控制并集成到基于因特网的应用和传送服务中，所述应用和传送服务通过包括例如宽带通信系统的各种网络技术连接。集中式和分布式服务允许用户修改最终控制信息传递方式的各种参数。该解决方案还可以由服务提供商控制，作为将现有应用程序基础设施和潜在的新应用程序集成在整个宽带通信服务中的方法。

9. 发明授权

US07975011B2 System and method for delivering enhanced application services to a user device 有权
标题翻译：用于向用户设备提供增强的应用服务的系统和方法
公开(公告)号：US07975011B2
公开(公告)日：2011-07-05
申请号：US11175991
申请日：2005-07-05
申请人： Gregory E. Pounds , Timothy J. Kusumi
发明人： Gregory E. Pounds , Timothy J. Kusumi
IPC分类号： G06F15/16 , G06F3/00
CPC分类号： H04M1/72525 , H04L29/06027 , H04L51/04 , H04L51/24 , H04L65/1006 , H04L65/103 , H04L65/104 , H04L65/4007 , H04L67/14 , H04L67/32 , H04M1/2535 , H04M1/274516 , H04M1/72502 , H04M1/72547 , H04M1/72561 , H04M7/0045 , H04M2250/06 , H04M2250/08
摘要： Systems, methods and apparatus are provided that combines a software application framework within a variety of consumer communication devices to provide enhanced functionality. The enhanced functionality devices can then be controlled and integrated into an Internet based application and delivery service, connected by various networking technologies including, e.g., broadband communication systems. Centralized and distributed services allow a user to modify a variety of parameters that will ultimately control how information is delivered. The solution can also be controlled by service providers as a method for integrating their existing application infrastructure and potentially new applications within an overall broadband communication service.
摘要翻译：提供了将各种消费者通信设备之间的软件应用框架组合以提供增强的功能的系统，方法和装置。然后可以将增强的功能设备控制并集成到基于因特网的应用和传送服务中，所述应用和传送服务通过包括例如宽带通信系统在内的各种网络技术连接。集中式和分布式服务允许用户修改最终控制信息传递方式的各种参数。该解决方案还可以由服务提供商控制，作为将现有应用程序基础设施和潜在的新应用程序集成在整个宽带通信服务中的方法。

10. 发明申请

US20110038365A1 Systems and methods for voice and data communications including a network drop and insert interface for an external data routing resource 审中-公开
标题翻译：用于语音和数据通信的系统和方法，包括用于外部数据路由资源的网络丢弃和插入接口
公开(公告)号：US20110038365A1
公开(公告)日：2011-02-17
申请号：US12799588
申请日：2010-04-26
申请人： Gregory E. Pounds , Michael J. Omodt , William J. Delveaux
发明人： Gregory E. Pounds , Michael J. Omodt , William J. Delveaux
IPC分类号： H04L12/66
CPC分类号： H04L12/66
摘要： Systems and methods by which voice/data communications may occur are disclosed. In particular, systems and methods are provided with a computing system having a multi-bus structure, including, for example, a TDM bus and a packet bus. An integrated communication system is coupled to a digital telecommunications link, the communication system providing voice and data communications to a plurality of users. At least a first packet bus is coupled to one or more packet-based devices and adapted for transferring packetized data to and from the system. One or more time division multiplex (TDM) buses are coupled to one or more telephony devices. Data routing resources are provided internal to the integrated system. A network interface module couples data to and from a data router external to the integrated system. The data router external to the integrated system is coupled to the first packet bus. Data is routed via the external data router through the network interface module and coupled to data channels of the digital telecommunications link, while voice data is selectively coupled to voice channels of the digital telecommunications link.
摘要翻译：公开了可能发生语音/数据通信的系统和方法。特别地，系统和方法被提供有具有多总线结构的计算系统，包括例如TDM总线和分组总线。集成通信系统耦合到数字电信链路，该通信系统向多个用户提供语音和数据通信。至少第一分组总线耦合到一个或多个基于分组的设备并且适于将分组化数据传送到系统和从系统传送分组化数据。一个或多个时分复用（TDM）总线耦合到一个或多个电话设备。数据路由资源在集成系统内部提供。网络接口模块将数据耦合到集成系统外部的数据路由器和从数据路由器外部耦合。集成系统外部的数据路由器耦合到第一分组总线。数据经由外部数据路由器通过网络接口模块路由并耦合到数字电信链路的数据信道，而语音数据选择性地耦合到数字电信链路的语音信道。

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