Patents
Patents for H04Q 3 - Selecting arrangements (38,975)
01/1994
01/05/1994EP0576671A1 Telephone exchange system
01/04/1994US5276749 Optical reflective star device having one or more orthogonal polarization reflectors
01/04/1994US5276731 Method and apparatus for handling incoming telephone calls
01/04/1994US5276727 Remote maintenance method and device thereof in private branch exchange system
01/04/1994US5276440 Network device information exchange
01/04/1994US5276425 Method for broadcasting in Clos switching networks by limiting the number of point-to-multipoint connections
12/1993
12/31/1993CA2099325A1 Call processing system
12/31/1993CA2099307A1 Call processing system
12/29/1993EP0576207A2 An arrangement for dynamically identifying the assignment of a subscriber telephone loop connection at a serving terminal
12/29/1993EP0576205A2 Automatic processing of calls with different communication modes in a telecommunications system
12/29/1993EP0576141A2 Arrangement for obtaining information from a switching system database by an adjunct processor
12/29/1993EP0575369A1 Digital communication system with transmission servers.
12/29/1993CN1080107A Method and system for selecting an optimal rearran gement sequence for a cross-connect communications matrix
12/29/1993CN1080106A Method and system for immediately connecting and reswitching digital cross-connect networks
12/28/1993US5274768 High-performance host interface for ATM networks
12/28/1993US5274703 Automatic loss control circuit
12/28/1993US5274702 For a two-wire telecommunications line
12/28/1993US5274699 Method for providing caller identification to a call recipient
12/28/1993US5274643 Method for optimizing a network having virtual circuit routing over virtual paths
12/28/1993US5274635 Method and apparatus for aligning a digital communication data stream across a cell network
12/28/1993US5274368 Method and apparatus for controlling access to a communication system
12/28/1993CA1325686C Method for predictive pacing of calls in a calling system
12/28/1993CA1325669C Broadband signal switching matrix network
12/23/1993WO1993026113A1 Service platform
12/23/1993DE4220421A1 Superconductive switch matrix for digital transmission network nodes - combines switches and memories having steep-sided characteristics with comparatively slow circuit elements and delay lines
12/22/1993EP0574988A1 Method for user location update in a telecommunication network
12/22/1993EP0574864A2 Optical switch for fast cell switching networks
12/22/1993EP0574484A1 Communications switching network
12/21/1993US5272749 Telephone dialing system for converting subscriber-created telephone numbers to directory numbers
12/21/1993US5272696 ATM plane merging filter for ATM switches and the method thereof
12/21/1993CA1325467C2 Rearrangeable multiconnection switching networks constructed using combinatorial designs
12/21/1993CA1325466C2 Rearrangeable multiconnection switching networks constructed using combinatorial designs
12/16/1993DE4218779A1 Digital optical signal supply appts. to amplifier - converts optical inputs from several sources into electrical equivalent for selective switching to reconversion and transmission modules
12/15/1993EP0574162A2 Network chip with auto sensing and reconfiguration
12/15/1993EP0574070A1 Interface circuit for linking microprocessors
12/15/1993EP0573637A1 Eprom-based crossbar switch with zero standby power
12/15/1993CN1023183C Private telephone system with simplified command feature
12/14/1993US5271005 Method of modifying virtual path capacity
12/14/1993US5271004 Asynchronous transfer mode switching arrangement providing broadcast transmission
12/14/1993US5271003 Internal routing method for load balancing
12/14/1993US5270919 Network planning tool
12/14/1993US5270701 Service processing system with distributed data bases
12/09/1993WO1993025035A1 Switch reduction for multiple lines of the public telephone network
12/08/1993EP0573214A2 Line-based public safety answering point
12/08/1993EP0572739A2 System for processing synchronization signals with phase synchronization in a mobile communication network
12/08/1993EP0572721A1 Switching network
12/08/1993EP0572544A1 Integrated application controlled call processing and messaging system.
12/08/1993EP0572439A1 Systems and processes for specifying customized telecommunication services
12/08/1993EP0382715B1 Switch path reservation arrangement
12/07/1993US5268904 ISDN terminal equipment control method
12/07/1993US5268895 Signaling message routing control using composite point code status
12/07/1993CA2005067C Method and apparatus for starting switching system
12/02/1993DE4315720A1 Telecommunications exchange equipment unit with circuits in drawers - allows optical functions to be implemented by photonic modules in system
12/01/1993EP0571503A1 Method and apparatus for controlling access to a communication system
12/01/1993EP0563319A4 Visual programming of telephone network call processing logic
12/01/1993EP0503059A4 Enhanced wide area audio response network
12/01/1993CN1079091A A method of producing an intelligent network service
12/01/1993CN1079090A A person paging method
11/1993
11/30/1993US5267309 Telephone line unit having programmable read-only memory
11/30/1993US5267304 Directory assistance system
11/30/1993CA2013374C Authenticated communications access service
11/30/1993CA1324835C Modular crossbar interconnection network for data transaction between system units in a multi-processor system
11/29/1993CA2092597A1 Arrangement for obtaining information from a switching system database by an adjunct processor
11/25/1993WO1993023962A1 Method of controlling traffic in a telecommunication network
11/24/1993EP0571345A2 Centralised telefax reception
11/24/1993EP0571261A1 Method of decentralized control of communications routing in packet switching network
11/24/1993EP0571152A2 Method for aggregating ports on an ATM switch for the purpose of trunk grouping
11/24/1993EP0571109A2 Overvoltage protection scheme for subscriber loops and method of performing same
11/24/1993CN1022867C Memory card and switching system suitable for using same
11/23/1993US5265157 Answer supervision and service selection
11/23/1993US5265150 Automatically configuring wireless PBX system
11/23/1993US5265091 Adaptation of reserved estimated bandwidth for permanent virtual connection
11/23/1993US5265090 Switching element for cross-connect equipment for digital bit streams multiplexed by time-division multiplexing digital tributaries with different bit rates
11/23/1993US5264842 Communication switching system
11/18/1993EP0569960A2 Time switch control system
11/18/1993EP0569913A2 Connection path selection method for cross-connect communications networks
11/18/1993EP0569906A2 Methods and system for immediately connecting and reswitching digital cross-connect networks
11/18/1993EP0569905A2 Method and system for selecting an optimal rearrangement sequence for a cross-connect communication matrix
11/18/1993DE4306031A1 Remotely controlled administration method for communication system - selecting operating task from list displayed on control device with aid of interrogation routine
11/17/1993CN1078589A A method of supporting communication
11/17/1993CN1078588A A method of establishing a connection
11/17/1993CN1078587A A method of establishing cooperation with a functionality
11/17/1993CN1022788C Network service method for public/special network
11/16/1993USRE34444 Programmable logic device
11/16/1993US5263121 System for routing calls
11/16/1993US5262906 Message routing for SONET telecommunications maintenance network
11/16/1993CA2023446C Packet communication method, packet communication device and packet switcher
11/16/1993CA1324448C Microcomputer integrating a digital subscriber terminal for an integrated service digital network
11/16/1993CA1324429C Routing method and packet switching networks notably for business networks and subscriber installations in a wide band public network
11/11/1993WO1993022884A1 Auxiliary-exchange communications installation
11/11/1993WO1993022866A1 Interactive telephone system for optimizing service economy
11/11/1993WO1993022865A1 Hotel interactive communication apparatus
11/11/1993WO1993022863A1 Call processing control system
11/11/1993WO1993022858A1 Cross-connection architecture for sdh-signals comprising time- and space division switch groups
11/11/1993WO1993022708A1 Optical switching device
11/11/1993DE4315243A1 Bidirectional selective remote connection and transmission circuit - detects or transmits audio signal after selection by relay of either high-impedance or low-impedance signal.
11/10/1993EP0569195A2 Telephonic switching system with a user controlled data memory access system and method
11/10/1993EP0569180A2 Intelligent telecommunications network
11/10/1993EP0569175A2 Call message recording for telephone systems
11/10/1993EP0569164A2 Automated telephone attendant