| Patents for H04Q 3 - Selecting arrangements (38,975) |
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| 04/14/1992 | US5105422 Circuit arrangement for information transmission |
| 04/14/1992 | US5105420 Method and apparatus for reconfiguring interconnections between switching system functional units |
| 04/14/1992 | US5105292 Asynchronous optical communication system |
| 04/09/1992 | CA2052858A1 Digital telecommunications system |
| 04/07/1992 | US5103449 Pbx transparent ani and dnis using vru |
| 04/07/1992 | US5103220 Method of expanding a three-stage regular switching array |
| 04/07/1992 | CA1298678C Line interface circuit |
| 04/07/1992 | CA1298675C Method and apparatus for storing and forwarding voice signals with controlled access |
| 04/07/1992 | CA1298633C Centrally controlled telecommunications exchange system |
| 04/02/1992 | WO1992005671A1 Communication system, in particular isdn-capable telecommunications private automatic branch exchange |
| 04/01/1992 | EP0478206A2 A procedure to initiate queuing in call processing |
| 04/01/1992 | EP0477652A2 Priority controlled processing of information, especially of processes in a communication system |
| 04/01/1992 | EP0477414A1 Modularly structured digital communications system with operator task oriented operational communications means |
| 04/01/1992 | EP0477403A1 Broad-band signals, coupling device with a charge transfer circuit in the output lines |
| 03/31/1992 | US5101491 System means for synthesizing, generating and checking software for a computer |
| 03/31/1992 | US5101451 Real-time network routing |
| 03/31/1992 | US5101425 Operations monitoring system |
| 03/31/1992 | CA1298116C Bidirectional optical space switch |
| 03/27/1992 | CA2052157A1 Broadband signal switching equipment |
| 03/25/1992 | EP0476213A1 Bit finder circuit |
| 03/24/1992 | US5099511 Exchange system for incoming calls from direct-in lines |
| 03/24/1992 | US5099510 Teleconferencing with bridge partitioning and other features |
| 03/24/1992 | US5099509 Integration of voice store and forward facility |
| 03/24/1992 | US5099497 Polarity detector for subscriber lines |
| 03/24/1992 | US5099475 Switching system |
| 03/24/1992 | US5099347 Fast packet and frequency switch |
| 03/24/1992 | US5099235 Method for transferring data through a network of intelligent control stations using decentralized control techniques |
| 03/24/1992 | CA1297973C Feature telephone integration device |
| 03/19/1992 | WO1992004794A2 Alarm and test system for a digital main line |
| 03/18/1992 | EP0475663A2 Communication link identifier |
| 03/18/1992 | EP0475350A2 An ISDN D channel congestion control method |
| 03/17/1992 | US5097528 System for integrating telephony data with data processing systems |
| 03/17/1992 | US5097501 Key telephone interface |
| 03/17/1992 | CA1297593C Fault tolerant ancillary messaging and recovery system and method within adigital switch |
| 03/17/1992 | CA1297571C Rearrangeable multiconnection switching networks constructed using combinatorial designs |
| 03/17/1992 | CA1297566C Implied principal busy status indicator for covered calls |
| 03/12/1992 | DE4027560A1 Simplified telephone connection selection system - require input of only calling subscriber own exchange and called subscriber exchange |
| 03/12/1992 | CA2051037A1 Exchange system handling an in-band signal |
| 03/11/1992 | EP0474429A1 An asynchronous transfer mode switching arrangement providing broadcast transmission |
| 03/11/1992 | EP0474283A1 ATM switching network |
| 03/10/1992 | US5095505 Efficient flexible special service call processing |
| 03/06/1992 | CA2050655A1 Asynchronous transfer mode switching arrangement providing broadcast mode |
| 03/05/1992 | WO1992003792A1 Method and apparatus for routing and partitioning a multistage interconnection network and for determining network passability |
| 03/04/1992 | EP0472775A1 Programm-controlled communications system, especially switching exchange |
| 03/04/1992 | EP0447485A4 System for cross-connecting high speed digital signals |
| 03/04/1992 | CN1059242A 线路接口电路 Line Interface Circuit |
| 03/04/1992 | CN1015769B Error correction method in swtich and switch provided with error correction means |
| 03/04/1992 | CN1015768B Full-duplex non-centric multichannel common type movable communication network |
| 03/03/1992 | US5093875 Optical interconnection apparatus |
| 03/03/1992 | US5093858 Method and apparatus for performing an automated collect call |
| 03/03/1992 | US5093826 Method for the operation of a multi-processor central control unit of a switching system |
| 03/03/1992 | US5093824 Distributed protocol for improving the survivability of telecommunications trunk networks |
| 03/03/1992 | US5093743 Optical packet switch |
| 03/03/1992 | CA1296796C Broadband signal switching equipment |
| 02/26/1992 | EP0472149A1 ATM switch using cell division |
| 02/25/1992 | CA1296414C Inter-exchange carrier access selection feature for a pbx user |
| 02/19/1992 | EP0471344A1 Traffic shaping method and circuit |
| 02/18/1992 | US5090011 Packet congestion control method and packet switching equipment |
| 02/18/1992 | US5089954 Method for handling conversational transactions in a distributed processing environment |
| 02/11/1992 | US5088032 Method and apparatus for routing communications among computer networks |
| 02/11/1992 | CA1295499C Optical space switch |
| 02/11/1992 | CA1295498C Optical shuffle arrangement |
| 02/06/1992 | WO1992002090A1 Method of controlling a digital coupling-field store |
| 02/04/1992 | US5086462 Terminal repeater having a function for repeating DC loop signal |
| 02/04/1992 | US5086461 Apparatus and method for providing existing 1ESS and 1AESS telephone switching equipment with the capability of using the SS7 protocol |
| 02/04/1992 | US5086460 Communications system ingress and egress arrangement |
| 02/04/1992 | US5086348 System for connecting optical lines to a wideband telecommunications exchange |
| 01/29/1992 | EP0468913A2 Modular public telephones operating system |
| 01/29/1992 | EP0468802A2 Broadband switching networks |
| 01/29/1992 | EP0468442A1 Interconnection network for the centre of a communication installation and installation provided with such a network |
| 01/28/1992 | US5084816 Real time fault tolerant transaction processing system |
| 01/28/1992 | CA2356441A1 Broadband switching networks |
| 01/28/1992 | CA1295040C Optical switching system |
| 01/23/1992 | WO1992001350A1 Method of establishing a cost-efficient communications path between internationally-remote parties |
| 01/23/1992 | DE4023032A1 Controlling digital memory of multiple switching bay - using TDM procedure to establish connections including conference set=up via telephone exchange |
| 01/22/1992 | EP0467569A1 Message network monitoring |
| 01/22/1992 | EP0466948A1 Communications system with a multi-processor system serving as the central control |
| 01/21/1992 | US5083308 Arrangement for determining switch port status at an adjunct processor |
| 01/21/1992 | US5083269 Buffer device suitable for asynchronous transfer mode communication |
| 01/19/1992 | CA2047262A1 Message network monitoring |
| 01/16/1992 | DE4022027A1 Optisches datennetz hoher betriebssicherheit Optical data network high operational safety |
| 01/15/1992 | EP0466590A1 Digital communication system for an integrated services telephone installation |
| 01/15/1992 | EP0466467A2 A method of processing access service requests in data processing systems, such as telephone exchanges, and a distributed system applying said method |
| 01/15/1992 | EP0466078A2 Subscriber connection unit with self routing for a telecommunication network having an intelligent network structure |
| 01/15/1992 | EP0465532A1 High speed data packet switching circuit and method |
| 01/14/1992 | CA1294346C Telephone system for connecting a customer to a supplier of goods |
| 01/12/1992 | WO1992001341A1 Highly reliable optical data system |
| 01/12/1992 | CA2087015A1 Highly reliable optical data system |
| 01/11/1992 | WO1992001347A1 Digital communication system for integrated services telephone installations |
| 01/09/1992 | WO1992000642A1 Enhanced telephony apparatus and system |
| 01/09/1992 | DE4021587A1 Integrated coupling field module - has address inputs on two opposite sides receiving signals controlling connection paths between inputs and outputs |
| 01/09/1992 | DE4020618A1 Signalling system for telephone return call connection - uses memory to hold call number data of calling subscriber |
| 01/08/1992 | EP0465090A1 Congestion control for connectionless traffic in data networks via alternate routing |
| 01/08/1992 | EP0464610A2 Method for generating an information for the called subscriber in a communication system, especially a private telecommunication system |
| 01/08/1992 | EP0464425A2 Method for filing and retrieving data sets in a subscriber database |
| 01/08/1992 | EP0464283A2 Arrangement for reserving and allocating a plurality of competing demands for an ordered bus communications network |
| 01/08/1992 | EP0259447B1 Telecommunication network and methods relating thereto |
| 01/07/1992 | US5079767 Method of multicast message distribution |
| 01/07/1992 | US5079762 Asynchronous transfer mode switching network using waiting buffers for routing high service grade cells during congested traffic |
| 01/07/1992 | US5079760 Method for efficient distributed data communications network access network configuration |