Patents
Patents for H04Q 3 - Selecting arrangements (38,975)
05/1994
05/31/1994US5317568 Method and apparatus for managing and facilitating communications in a distributed hetergeneous network
05/31/1994US5317566 Least cost route selection in distributed digital communication networks
05/31/1994US5317563 Method of and system for monitoring packet rate in packet network
05/31/1994US5317562 Method and apparatus for routing cell messages using delay
05/31/1994US5317561 Method for switching ATM message cell streams having a high bit rate via a switching equipment having a lower bit rate
05/31/1994US5317537 Multi-port memory device having precharged bit lines
05/31/1994US5317445 Optical device with spatial light modulators for switching polarized light
05/31/1994US5317439 Automatic on-line monitoring and optimization of optical network switching nodes
05/31/1994US5317310 Method and system for selecting an optimal rearrangement sequence for a cross-connect communication matrix
05/31/1994CA2110207A1 Method and device for detection and correction of errors in atm cell headers
05/31/1994CA2038121C Atm exchange with copying capability
05/31/1994CA2022955C Customer definable integrated voice/data call transfer technique
05/31/1994CA2007312C Parallel time slot interchanger matrix and switch block module for use therewith
05/31/1994CA2002018C Autonomous expert system for directly maintaining remote telephone switching systems
05/26/1994WO1994011996A1 General analysis system
05/26/1994WO1994011976A1 Method and apparatus for aligning a digital communication data stream across a cell network
05/26/1994WO1994011975A1 Establishing telecommunications call paths in broadband communication networks
05/26/1994WO1994011973A1 Identification of data packets
05/26/1994WO1994011948A1 Communications channel testing arrangement
05/26/1994DE4317951C1 Transmitting data packets in async. transfer mode - equalising propagation delays between transmission and reception of test packets over separate paths
05/26/1994CA2148363A1 Communications channel testing arrangement
05/25/1994EP0598485A2 Hierarchical path hunt for multirate connections
05/25/1994EP0598484A2 Monitoring system status
05/25/1994EP0598030A1 Scalable self-routing nonblocking message switching and routing network
05/25/1994EP0598027A1 Crossbar with return net for scalable self-routing non-blocking message switching and routing system
05/25/1994EP0598007A1 Method of communication.
05/24/1994US5315653 Current limited subscriber interface circuit
05/24/1994US5315649 Toll call telephone service center
05/24/1994US5315647 Private branch exchange adapted for telemarketing
05/24/1994US5315646 Systems and processes for providing multiple interfaces for telephone services
05/24/1994CA1329840C Arrangement for obtaining information about abandoned calls
05/18/1994EP0597569A2 Communication system enabling external control of system terminals
05/18/1994EP0597487A2 Asynchronous transfer mode communication system
05/18/1994EP0571503A4 Method and apparatus for controlling access to a communication system
05/17/1994US5313523 Sound volume controlling apparatus
05/17/1994US5313463 Method for validating credit information
05/17/1994US5313454 Feedback control system
05/12/1994CA2102862A1 Control device for the network of a telephone system
05/11/1994WO1994004007A3 Telecommunications switch architecture
05/11/1994EP0596710A2 Improvements relating to maintenance termination units
05/11/1994EP0596624A2 Bandwidth allocation, transmission scheduling, and congestion avoidance in broadband asynchronous transfer mode networks
05/11/1994EP0596159A1 Policing device and policing method using same
05/11/1994EP0426737B1 Adaptive routing of network traffic
05/10/1994US5311586 Dynamic routing-administration
05/10/1994US5311585 Method for use in a telecommunications switch
05/10/1994US5311584 Telecommunications call-processing arrangement
05/10/1994US5311583 International priority calling system with callback features
05/10/1994US5311580 Communication apparatus for providing a modulated analog wave
05/10/1994US5311577 Data processing system, method and program for constructing host access tables for integration of telephony data with data processing systems
05/10/1994US5311576 Adjunct processor embedded in a switching system
05/10/1994US5311574 Automatic customer call back for automatic call distribution systems
05/10/1994US5311572 Cooperative databases call processing system
05/10/1994US5311569 System for delivering emergency information
05/10/1994US5311345 Free space optical, growable packet switching arrangement
05/10/1994CA2013379C Automatically-effected move of a subscriber between electronic message service systems in a network
05/06/1994CA2102455A1 Policing device and policing method using same
05/04/1994EP0595533A1 Objective lens for a free-space photonic switching system
05/04/1994EP0595043A2 Technique for reducing message notification blockage in Voice Mail Systems
05/04/1994EP0594780A1 Modular, user programmable telecommunications system with distributed processing
05/03/1994US5309512 Call waiting deluxe feature
05/03/1994US5309508 Apparatus and method for automatically blocking the transmission of identifying information concerning a telephone calling party
05/03/1994US5309504 Automated identification of attendant positions in a telecommunication system
05/03/1994US5309430 Telecommunication system
05/03/1994US5309426 High performance cascadable simplex switch
05/03/1994US5309266 Photonic switching matrix
05/03/1994CA2018698C Private branch exchange system with attendant console
05/03/1994CA2014286C Method and apparatus for restricting credit card communication calls
05/03/1994CA2008407C Voice applications generator
05/03/1994CA2008224C Equipment and method for management of terminal identification number in communication system
04/1994
04/28/1994WO1994009602A1 Optical switching matrix
04/28/1994WO1994009601A1 Optical transmission network with switching matrix
04/28/1994CA2124463A1 Optical transmission network with switching matrix
04/28/1994CA2117301A1 Optical switching matrix
04/27/1994EP0594356A2 Multirate, SONET-ready, switching arrangement
04/27/1994EP0594355A2 Multirate, SONET-ready, switching arrangement
04/27/1994EP0594348A2 A TDM circuit-switching arrangement that handles frames of different sizes
04/27/1994EP0594244A2 Communication system and a private branch exchange to be used in such a communication system
04/27/1994EP0593556A1 Telephone marketing system
04/26/1994US5307465 System for updating network topology based on configuration obtained from subset configuration composition matrix and switching node connection matrix for the subset configuration
04/26/1994US5307342 Communication switch
04/26/1994CA2022798C Communication switching element and method for transmitting variable length cells
04/26/1994CA2004275C Telephone agent call management system
04/20/1994EP0592963A2 Connection control method for personal communications
04/19/1994US5305412 Semiconductor diode optical switching arrays utilizing low-loss, passive waveguides
04/19/1994US5305379 Semiconductor integrated device
04/19/1994US5305371 Cordless key telephone system for repeating attempts to alert stations located in interference-affected zones
04/19/1994US5305315 Trunk interface for the ISDN system using two different signalling systems
04/19/1994US5305313 Electronic switching system for use in connection to an ISDN and method of setting communication disconnection reasons
04/19/1994US5305310 Packet switching system having arbitrative function for competing packets
04/19/1994US5305305 Message switching network monitoring
04/14/1994WO1994008430A1 Programmable telecommunication switch for personal computer
04/14/1994WO1994008413A1 Switching controller and switching control method to standby system in mixed system of duplex system and backup line
04/14/1994CA2145396A1 Programmable telecommunication switch for personal computer
04/13/1994EP0592331A1 Optical switching matrix
04/13/1994EP0592330A1 Optical transmission network with switching matrix
04/13/1994EP0592154A2 Telecommunications system SS7 signaling interface with loose coupling to its host
04/13/1994EP0592153A2 Telecommunications system with redundant SS7 signaling interfaces
04/13/1994EP0592152A2 Telecommunications system SS7 signaling interface with signal transfer (STP) capability
04/13/1994EP0591193A1 Stored program controlled digital public exchange
04/13/1994EP0591148A1 Generalised connection network.