Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 3 - Automatic or semi-automatic exchanges
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
10/1993
10/19/1993US5255309 Telephonic-interface statistical analysis system
10/19/1993US5255305 Integrated voice processing system
10/19/1993US5255264 Distributed control switching network for multi-line telephone communications
10/19/1993US5255183 Telephone-based personnel tracking system
10/19/1993CA1323414C Automatic administration of a telecommunication system
10/19/1993CA1323403C Message service system network
10/14/1993WO1993020662A1 Method of signalling subscriber numbers in a telecommunications network
10/14/1993WO1993020661A1 Maintaining and updating cable records
10/14/1993WO1993020646A1 Combined supply voltage connection and call a.c. voltage generator and connection for analog telephone receiver stations in extension installations
10/14/1993WO1993020641A1 Improved data transmission public switched telephone network
10/14/1993WO1993020639A1 Automated telecommunication peripheral system
10/14/1993WO1993020527A1 Leaky bucket for supervision in industrial processes
10/14/1993WO1993020509A1 Programme-controlled isdn switching system with a program module constructed in accordance with the principles of object-oriented programming for the handling of switched calls
10/14/1993WO1993015584A3 Facsimile arrangement
10/13/1993EP0565279A2 A universal authentication device for use over telephone lines
10/13/1993EP0565224A2 Non-intrusive speech level and dynamic noise measurements
10/13/1993EP0564779A2 Data processing system, method and program for constructing HOST access tables for integration of telephony data with data processing systems
10/13/1993EP0564756A1 Method and arrangement for automatic telephone call answering control
10/13/1993EP0564669A1 Network of voice and/or fax storage systems
10/13/1993EP0402360B1 Impedance synthesis multiple loop using filtering means
10/12/1993US5253291 Hybrid balance and combination codec filter circuit
10/12/1993US5253288 Alternate destination call redirection for telecommunications systems
10/12/1993US5253285 Automated interactive telephone communication system for TDD users
10/12/1993CA2036769C Real-time network routing
10/12/1993CA2002689C Remote agent operation for automatic call distributors
10/12/1993CA2001665C Real-time network routing
10/06/1993EP0564215A2 Band width allocation on DPNSS networks
10/06/1993EP0564192A2 Network based outbound call management
10/06/1993EP0564063A1 Termination unit with maintenance facility
10/06/1993EP0563743A1 Telecommunication system and subscriber terminals with labels on the keys
10/06/1993EP0563677A1 Subscriber circuit tester
10/06/1993EP0563676A2 Calibrating method for the transmitting and measuring circuit of a test appliance
10/06/1993EP0563675A2 Test means for testing a circuit
10/06/1993EP0563674A2 Test apparatus for testing line signals on an analogic subscriber connection line
10/06/1993EP0563319A1 Visual programming of telephone network call processing logic
10/05/1993US5251299 System for switching between processors in a multiprocessor system
10/05/1993US5251255 Processing interactions among telecommunications call features
10/05/1993US5251252 Telephone interface call processing system with call selectivity
10/05/1993US5251251 Telecommunications network-based greeting card method and system
10/05/1993US5251248 Telephone network having personal numbers for position-independent
10/04/1993WO1993020645A1 Telephone line interface circuit with voltage switching
09/1993
09/30/1993WO1993019555A1 Remotely initiated telemetry calling system
09/30/1993WO1993019553A1 Arrangement in a call queuing system
09/30/1993DE4210407C1 Verfahren zur Rufnummernsignalisierung in einem Fernmeldenetz A method for call signaling in a telecommunications network
09/30/1993DE4210137A1 Programmgesteuertes ISDN-Vermittlungssystem mit einem nach Prinzipien objektorientierter Programmierung erstellten Programmodul zur Behandlung von Wählverbindungen Programmatically ISDN switching system prepared in accordance with principles of object-oriented programming, program module for the treatment of dial-up connections
09/29/1993EP0562090A1 Packet switch
09/29/1993EP0562077A1 A telecommunication system and a method for matching the numbering schemes of two telecommunication systems.
09/29/1993EP0561956A1 Interactive telephone communication system for hearing-impaired person
09/28/1993US5249223 Call-load-control arrangement for an emergency-call-answering center
09/28/1993US5249221 Telephone answering system with call transfer
09/28/1993US5249219 Integration of voice store and forward facility
09/28/1993US5249217 Both way recording method of a wireless telephone
09/28/1993CA1322602C Packet information field data format
09/23/1993DE4209041A1 Special-service peripheral equipment for digital communication network - is operated by modular controls managing switch matrix connections between peripheral devices and service channels
09/23/1993DE4206830A1 Telecommunication installation with two sets of function keys - enables calls to be made from subsidiary installation via main switchboard to subscriber in public network
09/22/1993EP0561649A2 Electronic conference system
09/22/1993EP0561180A2 Recording two or more party conversations
09/22/1993EP0561150A2 Method for implementing programs in host connected to a communication system
09/22/1993EP0561026A1 Integration of voice storage and forward facility
09/22/1993EP0560965A1 Temporary message routing and destination selection
09/22/1993EP0535220A4 Method and apparatus for the ordering from remote locations
09/21/1993US5247690 Method for detecting transmitting control code using M our of N detection scheme for initiating a latching loopback test procedure
09/21/1993US5247615 Control method and system for establishing a connection among terminals forming a joint project information processing system
09/21/1993US5247573 Telecommunications system comprising a circuit arrangement for at least one subscriber station
09/21/1993US5247571 Area wide centrex
09/21/1993US5247570 Telephone answering system and apparatus for direct caller selection of a party line extension
09/21/1993US5247569 System and method for controlling outbound and inbound calls in a telephone communication system
09/21/1993US5247568 Method for creating and composing audio text message
09/21/1993US5247497 Security systems based on recording unique identifier for subsequent playback
09/21/1993US5247347 Pstn architecture for video-on-demand services
09/21/1993US5246383 Gel filled electrical connector
09/20/1993CA2092054A1 Electronic conference system
09/16/1993WO1993018610A1 Telephone network application platform for supporting facsimile applications
09/16/1993WO1993018606A1 Personal communications service using wireline/wireless integration
09/16/1993WO1993018605A1 Hybrid fiber in the loop telephony system
09/16/1993WO1993018604A1 Headset amplifier with automatic log on/log off detection
09/16/1993WO1993018603A1 Arrangement in a transfer call equipment
09/16/1993WO1993018598A1 Network management system
09/16/1993CA2130112A1 Telephone network application platform for supporting facsimile applications
09/16/1993CA2117555A1 Hybrid fiber in the loop telephony system
09/15/1993EP0560111A2 Internodal transfer in multinode voice messaging systems
09/15/1993EP0560041A2 Method for switching-over a telecommunication line in the transition from emergency operation to normal operation
09/15/1993EP0559981A2 Fully digital voice response system
09/15/1993EP0559979A2 Subscriber call routing process system
09/15/1993EP0559712A1 A method and arrangement for connecting selectively a stationary subscriber apparatus to a neighbouring mobile subscriber apparatus with the aid of a telephone switchboard function.
09/14/1993USRE34380 Method and apparatus for applying messages in a telecommunications network
09/14/1993US5245650 Method for adding tenant function to a voice mail system
09/14/1993CA2024305C Control of overload in communications networks
09/09/1993DE4207126A1 Initiating terminals esp. at work-stations of stockbroker multiplex system - transmitting terminal-specific configuration data from remote memory with printer to separate connector at exchange
09/08/1993EP0559369A2 Distributed call processing
09/08/1993EP0559315A2 Telecommunications service provision equipment transfer
09/08/1993EP0559047A1 Future blocking of incoming telephone calls
09/08/1993EP0558737A1 Telephone line test set with a speakerphone for communications
09/08/1993CN1076067A Near-end communications line characteristic measuring systems
09/07/1993US5243645 Automatic system for forwarding of calls
09/07/1993US5243643 Voice processing system with configurable caller interfaces
09/07/1993US5243642 Telephone call management device
09/07/1993US5243488 Protection circuit limiting overvoltages between two selected limits and its monolithic integration
09/03/1993CA2090536A1 Future blocking of incoming telephone calls
09/02/1993WO1993017515A1 Area wide centrex
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