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    • 3. 发明授权
    • Method of establishing communication link to one of multiple devices
associated with single telephone number
    • 建立与单个电话号码相关联的多个设备之一的通信链路的方法
    • US5454032A
    • 1995-09-26
    • US58937
    • 1993-05-07
    • Deborah L. PinardVishwanath K. RajuMichael C. Rehder
    • Deborah L. PinardVishwanath K. RajuMichael C. Rehder
    • H04M3/42H04M3/46H04M19/04H04Q3/47H04W4/16H04W8/18H04M1/60H04M9/00H04M13/00
    • H04W4/16H04M19/041H04M3/42H04M3/46H04M3/465H04Q3/47H04M3/42229H04W8/18
    • A method of establishing a telephone communication link from a calling line to one of plural peripheral devices associated with a single telephone number in a central office telephone switching system or PBX is comprised of storing in a memory a first table of directory numbers and equipment identifiers associated with each directory number, storing in a memory a second table of references to physical peripheral devices associated with each equipment identifier, receiving a request for service to a particular directory number, accessing the first table using the particular directory number and obtaining references to all equipment identifiers associated therewith, accessing the second table using the particular equipment identifiers associated with the particular directory number and identifying the particular physical peripheral devices associated with the particular identifiers, ringing all of the particular physical peripheral devices, detecting one of the particular physical devices going off-hook, ceasing ringing of all the particular peripheral devices, and establishing a communication link only to the one physical device. One of the devices can be a wired telephone set, and another a cellular phone, which can be associated with a different switching office than the wired telephone set.
    • 建立从呼叫线路到与中心局电话交换系统或PBX中的单个电话号码相关联的多个外围设备之一的电话通信链路的方法包括在存储器中存储第一目录号码表和与之相关的设备标识符 与每个目录号码,存储在存储器中的与每个设备标识符相关联的物理外围设备的第二参考表,接收对特定目录号码的服务请求,使用特定目录号码访问第一表并获得对所有设备的引用 与其相关联的标识符,使用与特定目录号码相关联的特定设备标识符访问第二表,并且识别与特定标识符相关联的特定物理外围设备,振铃所有特定物理外围设备,检测特定物理设备之一 停止所有特定外围设备的振铃,并且仅建立到一个物理设备的通信链路。 其中一个设备可以是有线电话机,另一个设备可以是与有线电话机不同的交换局相关联的蜂窝电话。