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Class Information
Number: 379/268
Name: Telephonic communications > Centralized switching system > Switching controlled in response to called station addressing signal > Having shared or common switching control
Description: Subject matter having a device which stores the call address signal and equipment for controlling switching in response to the stored signal.


Sub-classes under this class:

Class Number Class Name Patents
379/279 Control reliability (e.g., redundancy) 184
379/269 Distributed control 243
379/271 Having multistage switching 43
379/270 In-stage or interstage scanning (e.g., link scanning) 7
379/280 Including registering or storing device for call address signal 56
379/289 Translator 34
379/291 With detail of crosspoint switching structure (e.g., crossbar) 28
379/290 With time division of control or supervisory signals 72


Patents under this class:
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Patent Number Title Of Patent Date Issued
7576662 Keypad array of portable terminal for input of alphabetic letters Aug. 18, 2009
7302054 System and method for integrated telephony switching Nov. 27, 2007
7106724 System and method for querying and recovering circuit group state in a switched network Sep. 12, 2006
7076053 System for the processing of audio data used for music on hold and paging in a private branch exchange Jul. 11, 2006
6810121 Common package Oct. 26, 2004
6785379 Call management system with call control form user workstation computers Aug. 31, 2004
6744880 Method for creating a telephone digital switching platform Jun. 1, 2004
6718032 Read-only in-memory tables for intelligent call processing system Apr. 6, 2004
6643525 Mobile communication system Nov. 4, 2003
6611591 System and method for integrated telephony switching Aug. 26, 2003
6567516 Method and device for controlling affiliation of remote line-collection device with switch May. 20, 2003
6393114 Switching equipment for setting up a connection between at least two telephone subscribers May. 21, 2002
6366662 System and method for alternative routing of subscriber calls Apr. 2, 2002
6363498 Method and apparatus to automatically back up switching system files Mar. 26, 2002
6178168 Method of controlling connections in a telecommunication system Jan. 23, 2001
6151315 Method and apparatus for achieving fabric independent routing technique Nov. 21, 2000
6144731 Distributed telephony management Nov. 7, 2000
6097807 Switching system Aug. 1, 2000
6041117 Distributed network control and fabric application interface Mar. 21, 2000
5999614 Telecommunications system architecture Dec. 7, 1999
5974134 Method of and apparatus for managing call resources in switching system Oct. 26, 1999
RE36354 Key telephone system with virtual private lines Oct. 26, 1999
5946386 Call management system with call control from user workstation computers Aug. 31, 1999
5926102 Method for controlling bidirectional line protection switching by using a remote defect indication signal Jul. 20, 1999
5901216 Membrane switch for a telephone handset May. 4, 1999
5887058 Digit parsing for a flexible dial plan capability in a telecommunications switch Mar. 23, 1999
5825301 Cross connect apparatus with routed path protecting function Oct. 20, 1998
5790650 Telephone call center management system which supports multi-user and separate private applications Aug. 4, 1998
5784452 Telephony call center with agent work groups Jul. 21, 1998
5784451 Virtual telephony data message system and process Jul. 21, 1998
5764750 Communicating between diverse communications environments Jun. 9, 1998
5712954 System and method for monitoring audio power level of agent speech in a telephonic switch Jan. 27, 1998
5686905 Input/output switching apparatus having virtual control Nov. 11, 1997
5594904 Tracing with keys and locks Jan. 14, 1997
5568543 Stored program controlled digital public exchange Oct. 22, 1996
5550911 Adjunct call handling for accessing adjunct-based capabilities platform Aug. 27, 1996
5546304 Real-time administration-translation arrangement Aug. 13, 1996
5517562 Method and system for providing a distributed service network for telecommunications service providers May. 14, 1996
5471526 Tracing with keys and locks on a telecommunication network Nov. 28, 1995
5467367 Spread spectrum communication apparatus and telephone exchange system Nov. 14, 1995
5455827 Multi-processing and direct routing of signalling protocols in voice communication channels Oct. 3, 1995
5434851 Digital telecommunications switching system Jul. 18, 1995
5373553 Automatic generation of control messages for a communication network based on input of parameters to be modified Dec. 13, 1994
5371786 Electronic cross-connect system Dec. 6, 1994
5369696 Intraswitch transition to new line support equipment Nov. 29, 1994
5353343 Telephonic switching system with a user controlled data memory access system and method Oct. 4, 1994
5321744 Programmable telecommunication switch for personal computer Jun. 14, 1994
5214691 Key telephone system with virtual private lines May. 25, 1993
5138657 Method and apparatus for controlling a digital crossconnect system from a switching system Aug. 11, 1992
4631364 Communication system having dynamically assigned station set buttons Dec. 23, 1986

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