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    Method of operating an interface device as well as interface device and exchange with such an interface device
    1.
    发明授权
    Method of operating an interface device as well as interface device and exchange with such an interface device 失效
    操作接口设备以及接口设备和与这种接口设备交换的方法

    公开(公告)号：US06301250B1

    公开(公告)日：2001-10-09

    申请号：US08903954

    申请日：1997-07-31

    申请人： Bernhard Schmitz

    发明人： Bernhard Schmitz

    IPC分类号： H04L1256

    CPC分类号： H04Q11/0457 ,  H04J2203/0066 ,  H04L2012/5615 ,  H04L2012/563 ,  H04Q11/0478 ,  H04Q2213/13176 ,  H04Q2213/13196 ,  H04Q2213/13204 ,  H04Q2213/13208 ,  H04Q2213/13209 ,  H04Q2213/1329 ,  H04Q2213/13292 ,  H04Q2213/13297 ,  H04Q2213/1339 ,  H04Q2213/13392

    摘要： The invention relates to a method of operating an interface device (IWF) for connecting a first telecommunication subnetwork (ISDN) operated in synchronous time-division multiplex mode (ISDN) with a fixed assignment of time slots to transmission channels using a first signaling protocol (SI1), to a second telecommunication subnetwork (ATM) operated in a statistical multiplex mode (ATM) with a transmission capacity assigned to each connection by free agreement using a second signaling protocol (SA1), the interface device performing a conversion between the first signaling protocol and the second signaling protocol, wherein during each connection setup the signaling is converted in such a way that the number of transmission channels (Ch1, . . . Ch6; Ch20, . . . , Ch30) reserved in the first subnetwork (ISDN) for the connection to be set up and the transmission capacity assigned to said connection in the second subnetwork (ATM) are adapted to one another, as well as an interface device and an exchange with such an interface device.

    摘要翻译： 本发明涉及一种操作接口设备（IWF）的方法，用于将以同步时分多路复用模式（ISDN）操作的第一电信子网（ISDN）与固定的时隙分配连接到使用第一信令协议的传输信道 SI1）传送到以统计多路复用模式（ATM）操作的第二电信子网（ATM），其中通过使用第二信令协议（SA1）的自由协议将每个连接分配给传输容量，所述接口设备执行第一信令 协议和第二信令协议，其中在每个连接建立期间，信令被转换成在第一子网（ISDN）中保留的传输信道数量（Ch1，...，Ch20，...，Ch30） 为了建立连接，并且分配给第二子网（ATM）中的所述连接的传输容量彼此适配，以及接口设备 与这种接口设备进行交换。

    Stored program controlled PBX accommodating secondary rate tie trunks using primary rate interfaces
    3.
    发明授权
    Stored program controlled PBX accommodating secondary rate tie trunks using primary rate interfaces 失效
    存储程序控制的PBX容纳使用主速率接口的二次速率连接中继

    公开(公告)号：US5784381A

    公开(公告)日：1998-07-21

    申请号：US665093

    申请日：1996-06-14

    申请人： Yoshihiro Hori

    发明人： Yoshihiro Hori

    IPC分类号： H04J3/00 ,  H04J3/04 ,  H04Q3/62 ,  H04Q11/04

    CPC分类号： H04Q3/622 ,  H04Q11/0435 ,  H04Q2213/1305 ,  H04Q2213/13205 ,  H04Q2213/13209 ,  H04Q2213/1322 ,  H04Q2213/13292 ,  H04Q2213/1339

    摘要： In an SPC PBX, a frame bit is inserted at periodic intervals to each of time-slot sequences from output ports of a time switch to form primary rate frames and the frame bit is then removed from each primary rate frame, producing time-slot sequences which are multiplexed and framing bits are inserted to form an outgoing secondary rate frame for transmission. An incoming secondary rate frame is received and framing bits are removed therefrom and demultiplexed into incoming primary rate time-slot sequences. A frame bit is inserted to each of the incoming primary rate time-slot sequences and the frame bit is then removed before being supplied to input ports of the time switch. The frame bit insertion and removal allows the use of current design primary rate interfaces, so that secondary rate interfaces can be installed without altering the operating software of the switch.

    摘要翻译： 在SPC PBX中，以时间间隔从时间交换机的输出端口向每个时隙序列周期性地插入帧比特，以形成主速率帧，然后从每个主速率帧中移除帧比特，产生时隙序列 其被复用并且成帧位被插入以形成用于传输的输出二次速率帧。 接收进入的二级速率帧并从帧中移除成帧比特，并将其解复用为进入的主速率时隙序列。 将帧位插入到每个进入的主速率时隙序列中，然后在提供给时间交换机的输入端口之前将帧位移除。 帧位插入和移除允许使用当前设计的主速率接口，从而可以在不改变交换机的操作软件的情况下安装辅助速率接口。