| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 05/17/1994 | US5313463 Method for validating credit information |
| 05/17/1994 | US5313053 Laser scanner module having integral interfacing with hand-held data capture terminal |
| 05/10/1994 | US5311583 International priority calling system with callback features |
| 05/10/1994 | CA2013379C Automatically-effected move of a subscriber between electronic message service systems in a network |
| 05/01/1994 | CA2104188A1 Wireless personalized communications system |
| 04/26/1994 | US5307465 System for updating network topology based on configuration obtained from subset configuration composition matrix and switching node connection matrix for the subset configuration |
| 04/20/1994 | CN1085707A Architecture for a cellular wireless telecommunication system |
| 04/19/1994 | US5305315 Trunk interface for the ISDN system using two different signalling systems |
| 04/13/1994 | EP0592152A2 Telecommunications system SS7 signaling interface with signal transfer (STP) capability |
| 04/12/1994 | US5303290 System for elminating glare in virtual private line circuits |
| 04/06/1994 | EP0590863A2 Private branch exchange networks |
| 03/30/1994 | EP0589231A1 Subscriber interface for connecting a private branch exchange to a public exchange |
| 03/30/1994 | EP0589085A1 Subscriber connection unit for connecting a PBX to a public telephone exchange |
| 03/22/1994 | US5297195 Method and apparatus for automatic telephone scheduling system |
| 03/17/1994 | WO1994006251A1 Network structure and a signalling protocol for a telecommunication network |
| 03/17/1994 | CA2141933A1 Network structure and a signalling protocol for a telecommunication network |
| 03/16/1994 | CN1084001A Network structure and protocol for telecommunication network |
| 03/12/1994 | CA2078081A1 Network node event notification in circuit switched environments |
| 03/01/1994 | US5291552 Distribution of calls among automatic call distributors of a single large customer |
| 03/01/1994 | US5291550 In a telecommunications network |
| 03/01/1994 | CA2004596C Device for connecting optical lines to a wideband telecommunications exchange |
| 02/22/1994 | US5289378 Vehicle lan with adapters for coupling portable data terminals |
| 02/22/1994 | CA2017380C End-to-end network surveillance |
| 02/16/1994 | EP0583137A2 Architecture for a cellular wireless telecommunication system |
| 02/15/1994 | US5287498 Message transmitting system wherein recipient site is determined using information concerning the relationship between the sender and recipient sites |
| 02/15/1994 | CA2012319C Switching system with both-way line managing system |
| 02/09/1994 | EP0582440A2 International priority calling system |
| 02/03/1994 | WO1994003008A1 System and method for call-by-call source routing with rule-based fallbacks |
| 02/01/1994 | USRE34529 Arrangement for providing a call-connection service |
| 01/26/1994 | EP0580190A2 Interface to and operation of a voice messaging system |
| 01/19/1994 | EP0579287A2 Interface to and operation of a voice messaging system |
| 01/12/1994 | EP0577804A1 Speech/signalling overlay |
| 01/06/1994 | WO1994000945A1 Call distributor |
| 12/28/1993 | US5274696 Protocol for transmitting messages in a network |
| 12/28/1993 | US5274692 Method for testing the line connection before switching from a telephone switching center to be placed out of service to a new digital telephone switching center to be placed into service |
| 12/15/1993 | EP0573412A1 Interconnecting and processing system for facilitating frequency hopping. |
| 12/14/1993 | US5271058 Switchless automatic call distribution system used with a combination of networks |
| 12/14/1993 | US5271003 Internal routing method for load balancing |
| 12/07/1993 | CA2014489C Channel access system |
| 12/01/1993 | EP0503059A4 Enhanced wide area audio response network |
| 12/01/1993 | CN1079090A A person paging method |
| 11/30/1993 | US5267305 Transparent inband signaling |
| 11/17/1993 | CN1078587A A method of establishing cooperation with a functionality |
| 11/17/1993 | CN1022788C Network service method for public/special network |
| 11/11/1993 | WO1993022864A1 Digital switching system connecting buses with incompatible protocols and telephone answering system and private automatic branch exchange with integrated voice and textual message recording |
| 11/11/1993 | WO1993022860A1 Digital switching system interconnecting buses with incompatible protocols |
| 11/11/1993 | DE4315243A1 Bidirectional selective remote connection and transmission circuit - detects or transmits audio signal after selection by relay of either high-impedance or low-impedance signal. |
| 11/09/1993 | US5260990 Multiple integrations unit for coupling different switching systems to a message storage system |
| 11/09/1993 | US5260937 Power conserving technique for a communications terminal time slot interchanger |
| 11/09/1993 | CA2014408C Dynamic shared facility system for private networks |
| 11/03/1993 | EP0311647B1 Message service system network |
| 10/27/1993 | EP0567294A2 Multi-system network addressing |
| 10/27/1993 | EP0566582A1 Location registration system for a personal communicator |
| 10/22/1993 | CA2094163A1 Multi-system network addressing |
| 10/19/1993 | CA1323403C Message service system network |
| 10/14/1993 | WO1993020639A1 Automated telecommunication peripheral system |
| 10/13/1993 | EP0564669A1 Network of voice and/or fax storage systems |
| 10/12/1993 | US5253288 Alternate destination call redirection for telecommunications systems |
| 10/12/1993 | CA2002689C Remote agent operation for automatic call distributors |
| 10/12/1993 | CA2001665C Real-time network routing |
| 10/06/1993 | EP0564215A2 Band width allocation on DPNSS networks |
| 10/06/1993 | EP0564192A2 Network based outbound call management |
| 09/23/1993 | DE4209041A1 Special-service peripheral equipment for digital communication network - is operated by modular controls managing switch matrix connections between peripheral devices and service channels |
| 09/21/1993 | US5247571 Area wide centrex |
| 09/16/1993 | WO1993018603A1 Arrangement in a transfer call equipment |
| 09/15/1993 | EP0559979A2 Subscriber call routing process system |
| 09/15/1993 | CN1022157C Interconnecting and processing system for facilitating frequency hopping |
| 09/14/1993 | US5245654 Solid state isolation device using opto-isolators |
| 09/07/1993 | US5243645 Automatic system for forwarding of calls |
| 09/02/1993 | WO1993017515A1 Area wide centrex |
| 08/19/1993 | WO1993016564A1 A person paging method |
| 08/19/1993 | WO1993016547A1 A method of establishing cooperation with a functionality |
| 08/19/1993 | CA2129544A1 A person paging method |
| 08/05/1993 | WO1993015583A1 Speech/signalling overlay |
| 07/14/1993 | EP0550975A2 A method of redirecting a telephone call to an alternate destination |
| 06/30/1993 | EP0549126A2 Method and apparatus for alerting multiple telephones for an incoming call |
| 06/30/1993 | CN1021498C Asynchronous time division multiservice digital satellite centre for connecting subscribers |
| 06/22/1993 | US5222120 Long distance telephone switching system with enhanced subscriber services |
| 06/16/1993 | EP0546467A2 Communication system |
| 06/15/1993 | US5220599 Communication terminal apparatus and its control method with party identification and notification features |
| 06/14/1993 | EP0573412A4 Interconnecting and processing system for facilitating frequency hopping. |
| 06/09/1993 | EP0511295A4 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions |
| 06/08/1993 | US5218187 Hand-held data capture system with interchangeable modules |
| 05/26/1993 | CN1021006C Duplex centerless frequency-deivision multiple access carrier telephone system |
| 05/25/1993 | US5214691 Key telephone system with virtual private lines |
| 05/19/1993 | EP0542628A2 Speech synthesis system |
| 05/18/1993 | US5212727 In a telecommunications system |
| 05/12/1993 | EP0541145A1 Monitoring system for monitoring a telecommunication network containing one or more subscriber exchanges |
| 04/27/1993 | US5206902 Network signaling arrangement for controlling tandem network functions |
| 04/27/1993 | US5206901 Method and apparatus for alerting multiple telephones for an incoming call |
| 04/22/1993 | DE4134477A1 Controlling engagement direction within exchange conductor bundle - using traffic direction memory for conductor engagement facility in each engagement direction |
| 04/21/1993 | EP0393126B1 Routing of network traffic |
| 04/15/1993 | WO1993007705A1 Method and apparatus for automatic telephone scheduling system |
| 04/15/1993 | WO1993007668A1 Solid state isolation device using opto-isolators |
| 04/14/1993 | EP0536949A2 An incoming communications forwarding technique utilizing a called party location indicator |
| 04/06/1993 | US5200994 Communication terminal apparatus and control method with party identification features |
| 04/06/1993 | CA1315904C Digital transmission system |
| 03/31/1993 | EP0534783A2 Key telephone system with virtual private lines |
| 03/30/1993 | CA1315428C Communication terminal apparatus and its control method |
| 03/23/1993 | US5197092 Location registration system for a personal communicator such as a cellular telephone |