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1.发明授权Automatic call distribution (ACD) switching system having distributed processing capability 失效具有分布式处理能力的自动呼叫分配（ACD）交换系统
公开(公告)号：US4893301A
公开(公告)日：1990-01-09
申请号：US226229
申请日：1988-07-29
CPC分类号： H01R12/7005 , H04M3/523 , H04Q1/023 , H04Q1/15 , H04Q11/04 , H05K7/1409 , H05K7/1461 , H04Q2213/13072 , H04Q2213/13107
摘要： An automatic call distribution (ACD) switching system having a plurality of agent/trunk interface circuits for selectively connecting a plurality of telephone trunks to a plurality of agent workstations. The ACD switching system includes at least a first line interface module having a shelf control module for controlling a plurality of carrier card slots. At least one of the carrier card slots includes a carrier card for supporting a plurality of agent/trunk interface circuit "subcards" in closely-aligned parallel relation to the carrier card. Each carrier card and the shelf control module include digital processing circuits and an HDLC transceiver to facilitate the interconnection of first and second agent/trunk interface circuits upon a call processing request for service. In the preferred embodiment, control information used to effect the interconnection of the agent/trunk interface circuits is transmitted throughout the switching system in a dedicated timeslot along a digital voice PCM bus. A second line interface module can be provided at a geographically-remote location from the first line interface module for remote processing. The first and second line interface modules are then interconnected via a T-1 span line.
摘要翻译： 一种具有多个代理/中继线接口电路的自动呼叫分配（ACD）交换系统，用于选择性地将多个电话干线连接到多个代理工作站。 ACD交换系统至少包括具有用于控制多个载波卡槽的货架控制模块的第一线路接口模块。 载波卡插槽中的至少一个包括用于以与载体卡紧密对齐的平行关系支持多个代理/中继线接口电路“子”的载体卡。 每个载体卡和货架控制模块包括数字处理电路和HDLC收发器，以便在呼叫处理服务请求时促进第一和第二代理/中继线接口电路的互连。 在优选实施例中，用于实现代理/中继线接口电路的互连的控制信息在整个交换系统中沿着数字语音PCM总线在专用时隙中传输。 可以在距离第一线路接口模块的地理上远离的位置处提供第二线路接口模块用于远程处理。 然后，第一和第二线路接口模块通过T-1跨接线路互连。
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公开(公告)号：US4703478A
公开(公告)日：1987-10-27
申请号：US762594
申请日：1985-08-02
摘要： This disclosure provides methods for processing and routing bursts in an integrated communications system. In a preferred embodiment, the system includes a plurality of switches interconnected by time-divided communications links and a plurality of ports, each port being a component of a switch and each link having processing capacity sufficient to support T1 or higher transmission rates. Each port provides access to the system for a control processor, an end-user, or another communications system. Each switch has switching intelligence for routing a burst toward its destination port. A burst is a plurality of bytes which may represent a block of data or a spurt of voice energy as sensed by silence/voice detectors located at voice ports. In the methods provided by the invention, a burst may be introduced into the system through a port, routed through a switch to an outgoing link, or received from the system at a port. Within links, a burst is transmitted byte-by-byte in assigned channels of sequential frames. The methods of the invention employ dynamic allocation of bursts to channels within communications links such that any channel is allocated only when a burst is being transmitted therein and the channel is otherwise available for transmission of another burst.
摘要翻译： 本公开提供了在集成通信系统中处理和路由突发的方法。 在优选实施例中，系统包括通过分时通信链路和多个端口互连的多个交换机，每个端口是交换机的组件，每个链路具有足以支持T1或更高传输速率的处理能力。 每个端口提供对控制处理器，最终用户或另一通信系统的系统的访问。 每个交换机具有用于将突发路由到其目的地端口的交换智能。 突发是多个字节，其可表示位于语音端口的静音/语音检测器感测到的数据块或语音能量的突发。 在本发明提供的方法中，突发可以通过端口被引入到系统中，该端口通过交换机路由到出站链路，或者在端口处从系统接收。 在链路中，在分配的连续帧的信道中，逐个字节地发送突发。 本发明的方法采用对通信链路内的信道的脉冲串的动态分配，使得只有当在其中发送突发时，才分配任何信道，并且信道可用于传输另一个突发。
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公开(公告)号：US4840570A
公开(公告)日：1989-06-20
申请号：US211589
申请日：1988-06-27
CPC分类号： H05K7/1409 , H01R12/7005 , H05K7/1461 , H04Q2213/13072 , H04Q2213/13107
摘要： A novel plug-in card module for use in a rack module having means for supporting a plurality of such modules in an abutting side-by-side relation. The plug-in module comprises a printed circuit board having at least two pairs of card receiving and guiding rails transversely disposed thereon. Each of the guide rail pairs comprise first and second oppositely-disposed elongate rails removably secured to the printed circuit board. The plug-in module preferably includes at least first and second electrical connectors longitudinally disposed on the printed circuit board in back-to-back or side-by-side relation, each of the electrical connectors disposed adjacent an associated pair of elongate guide rails. To provide increased modularity and ease of circuit component replacement, the plug-in module includes a plurality of individually-removable electrical circuit boards. Each electrical circuit board is slidably supported in a pair of elongate guide rails and includes a leading edge received in the associated electrical connector, and a rear edge having a locking mechanism for locking the electrical circuit board in the pair of elongate guide rails. The module further includes a faceplace having an ejector mechanism for facilitating removal of the module from the rack module.
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公开(公告)号：US4710916A
公开(公告)日：1987-12-01
申请号：US762589
申请日：1985-08-02
摘要： A burst-switching communications system with integrated voice and data services and with processing capacity sufficient to support T1 or higher link transmission rates, such system including a hub switch located at a point of high-traffic concentration in the network and a plurality of link switches. The switches are interconnected by time-division multiplexed communications links. A burst is a variable-length sequence of bytes which represents, for example, a block of data or a spurt of voice energy as sensed by silence/voice detectors located at voice ports. Within a communications link, a burst is transmitted one byte at a time in an assigned channel of sequential frames of the time-division multiplexed link. The hub switch includes a number of switching units connected in a closed hub ring with one or more time-division multiplexed communication link to another communication link as determined by address information in the burst being received. The bytes of a burst are transferred along the hub ring from the switching unit of the incoming communication link to the switching unit of the outgoing communication link in sequential frames of time-division multiplexed hub channels. Bytes are transferred from switching unit to succeeding switching unit around the hub ring at a rate such as to propagate a byte completely around the hub ring during the time period of a single hub channel.
摘要翻译： 具有集成语音和数据服务并具有足以支持T1或更高链路传输速率的处理能力的突发交换通信系统，该系统包括位于网络中高流量集中点的集线器交换机和多个链路交换机 。 交换机通过时分复用通信链路相互连接。 突发是可变长度的字节序列，其表示例如位于语音端口的静音/语音检测器感测到的数据块或语音能量的突发。 在通信链路中，在分时多路复用链路的连续帧的分配的信道中一次一个字节地发送突发。 集线器交换机包括连接在封闭集线器环中的多个交换单元，其中一个或多个时分多路复用通信链路连接到另一个通信链路，由所接收的突发中的地址信息确定。 在连续的时分复用集线器信道帧中，突发的字节沿着集线环从传入通信链路的交换单元传送到出站通信链路的交换单元。 字节从交换单元传送到集线器环周围的后续交换单元，速率为在单个集线器通道的时间段内完整地围绕集线器环传播一个字节。
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5.发明授权Methods of installing and assigning control processors in a distributed-control communications system 失效在分布式控制通信系统中安装和分配控制处理器的方法
公开(公告)号：US4707825A
公开(公告)日：1987-11-17
申请号：US762591
申请日：1985-08-02
CPC分类号： H04L12/64 , H04M11/064 , H04Q11/04
摘要： This invention provides a method of assigning a first control processor to the service set of a second control processor in a distributed-control communications system having control processors coupled with ports of the system. The method comprises the step of transmitting through the system a service-set assignment message in a control burst to the first control processor, the assignment message including the port address of the second control processor. The assignment message may be sent by a third control processor or by the second control processor. The assignment message may be sent as a result of the failure of some control processor, the addition of a new control processor, or to make the workloads of the control processors more evenly distributed. There is also provided a method of installing a second control processor into a distributed-control communications system having at least one first control processor. The method comprises the steps of installing the hardware, installing the software, and assigning as above the second control processor to the service set of the first control processor. In preferred embodiments, the software may be downloaded and/or started-up within the system. These methods are not dependent on any particular control structure. In the disclosed control hierarchy, a port processor may be assigned to the service set of a call or administrative processor, and a call processor may be assigned to the service set of an administrative processor. A control burst is a communication between control processors for administrative purposes in a burst-switching communications system.
摘要翻译： 本发明提供了一种在具有与系统的端口耦合的控制处理器的分布式控制通信系统中为第二控制处理器的服务集分配第一控制处理器的方法。 该方法包括以下步骤：通过系统将控制突发中的服务组分配消息传送到第一控制处理器，该分配消息包括第二控制处理器的端口地址。 分配消息可以由第三控制处理器或第二控制处理器发送。 由于某些控制处理器的故障，新的控制处理器的添加或使控制处理器的工作负载更均匀地分布，可能会发送分配消息。 还提供了一种将第二控制处理器安装到具有至少一个第一控制处理器的分布式控制通信系统中的方法。 该方法包括以下步骤：安装硬件，安装软件，并将上述第二控制处理器分配给第一控制处理器的服务集。 在优选实施例中，软件可以在系统内下载和/或启动。 这些方法不依赖于任何特定的控制结构。 在所公开的控制层级中，可将端口处理器分配给呼叫或管理处理器的服务集，并且可以将呼叫处理器分配给管理处理器的服务集。 控制脉冲串是用于突发交换通信系统中的管理目的的控制处理器之间的通信。
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公开(公告)号：US4698841A
公开(公告)日：1987-10-06
申请号：US762590
申请日：1985-08-02
摘要： This invention provides methods of setting-up and taking-down connections for voice and data calls in a burst switching communications system having distributed-control means coupled with ports of the system. In preferred embodiments, the distributed-control means include port processors serving one or both parties of the call; port processors and call processors serving one or both parties; and port processors, call processors, and administrative processors serving one or both parties. In a burst-switching communications system, control is implemented through control bursts sent through the system between control processors. In a preferred embodiment of setting-up a voice call between X, a calling party, and Y, a called party, the method includes the following steps: detecting X's off-hook condition and applying a dial tone to X's line, performed by X's control processor(s); detecting and storing Y's directory number digit-by-digit as dialed on X's line, performed by X's control processor(s); looking-up Y's port address and Y's control processor's port address based on Y's directory number, and transmitting a control burst to Y's control processor inquiring whether Y's line is busy or idle, performed by X's control processor(s); detecting whether Y' s line is busy or idle, transmitting a control burst to X's control processor indicating same, and if Y's line is idle, causing a ring voltage to be applied to Y's line, performed by Y's control processor(s); if Y's line is busy applying a busy signal on X's line or, if Y's line is idle, applying a ring-back signal on X's line, performed by X's control processor(s); detecting Y's off-hook condition and transmitting a control burst to X's control processor indicating same; performed by Y's control processor(s); and terminating the ring-back on X's line, performed by X's control processor(s); whereby a virtual connection has been established and full-duplex communications may occur.
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公开(公告)号：US4698803A
公开(公告)日：1987-10-06
申请号：US762593
申请日：1985-08-02
摘要： A distributed-control burst-switching communications system with fully integrated voice and data services, and with processing capacity sufficient to support T1 or higher transmission rates. The system may include a high-speed hub switch located at a point of high-traffic concentration in the network and a plurality of link switches. The switches are interconnected by time-division multiplexed communications links. Each switch includes one or more ports. Each port provides access to the system for a control processor, an end-user, or another communications system. Within each switch, there is switching intelligence for routing a burst toward its destination port. A burst is a variable-length sequence of bytes which represents, for example, a block of data or a spurt of voice energy as sensed by silence/voice detectors located at voice ports. Within a communications link, a burst is transmitted one byte at a time in an assigned channel of sequential frames of the time-division multiplexed link. The routing intelligence at each switch employs dynamic allocation of bursts to channels within communications links such that any channel of a communications link is allocated only when a burst is being transmitted therein and such channel is otherwise available for transmission of another burst.
摘要翻译： 具有完全集成语音和数据服务的分布式控制突发交换通信系统，处理能力足以支持T1或更高的传输速率。 该系统可以包括位于网络中高流量集中点的高速集线器交换机和多个链路交换机。 交换机通过时分复用通信链路相互连接。 每个开关包括一个或多个端口。 每个端口提供对控制处理器，最终用户或另一通信系统的系统的访问。 在每个交换机内，存在用于将突发路由到其目的地端口的交换智能。 突发是可变长度的字节序列，其表示例如位于语音端口的静音/语音检测器感测到的数据块或语音能量的突发。 在通信链路中，在分时多路复用链路的连续帧的分配的信道中一次一个字节地发送突发。 每个交换机上的路由智能使用脉冲串对通信链路内的信道进行动态分配，使得通信链路的任何信道仅在其中被发送突发时被分配，并且这样的信道可用于传输另一个突发。
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公开(公告)号：US4698799A
公开(公告)日：1987-10-06
申请号：US762641
申请日：1985-08-02
摘要： A high-speed link switch for a distributed-control burst-switching communications system. The switch provides fully integrated voice and data services and processing capacity sufficient to support T1 or higher transmission rates. A communications systems may include a plurality of switches interconnected by time-division multiplexed links. In a preferred embodiment, a link switch comprises a central memory coupled with a link-input processor, a link-output processor, a port-input processor, a port-output processor, and a memory manager. The link switch includes switching intelligence for routing a burst through the switch toward its destination port in the system. A burst is a plurality of bytes which may represent, for example, a block of data or a spurt of voice energy as sensed by silence/voice detectors located at voice ports. Within an outgoing communications link, a burst is transmitted by a switch one byte at a time in an assigned channel of sequential frames of the time-division multiplexed link. The routine intelligence employs dynamic allocation of bursts to channels within communications links such that any channel of a communications link is allocated only when a burst is being transmitted therein and such channel is otherwise available for transmission of another burst.
摘要翻译： 用于分布式控制突发交换通信系统的高速链路交换机。 该交换机提供完全集成的语音和数据服务以及足以支持T1或更高传输速率的处理能力。 通信系统可以包括通过时分复用链路互连的多个交换机。 在优选实施例中，链路交换机包括与链路输入处理器，链路输出处理器，端口输入处理器，端口输出处理器和存储器管理器耦合的中央存储器。 链路交换机包括用于将突发通过交换机路由到其系统中的目的地端口的交换智能。 突发是多个字节，其可以表示例如由位于语音端口的静音/语音检测器感测到的数据块或语音能量的突发。 在输出通信链路中，在时分多路复用链路的连续帧的分配信道中，由交换机一次一个字节地发送突发。 常规智能对通信链路中的信道进行脉冲串动态分配，使得通信链路的任何信道仅在其中发送突发时被分配，并且该信道可用于传输另一个突发。
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