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)
12/1995
12/20/1995EP0688126A2 A voice messaging system
12/20/1995EP0688122A1 Method and apparatus for determining network delays
12/20/1995EP0687402A1 Circuit arrangement for integrating edp systems in the use of telephone installations
12/20/1995EP0687371A1 Queue managing system and method
12/20/1995EP0547067B1 Alarm and test system for a digital main line
12/20/1995CN1113673A Method and system for monitoring, testing and analyzing a telecommunication switching system
12/20/1995CN1113670A Feature interaction manager
12/20/1995CN1113628A Telephone monitoring and recording system
12/20/1995CN1113625A Application oriented telecommunication system interface
12/18/1995CA2126170A1 Automatic call router
12/14/1995WO1995034182A1 Access network
12/14/1995WO1995034175A1 Network service provisioning
12/14/1995WO1995034158A1 Split and monitor maintenance connections
12/14/1995DE4420462A1 Verfahren zur Auswahl eines von mindestens zwei Fernmeldeendgeräten und Fernmeldeendgerät dafür Method of selecting a for at least two telecommunications terminal equipment and telecommunications terminal
12/13/1995EP0687116A2 Method and apparatus for prioritizing a telephone call according to the class of service of a caller
12/13/1995EP0687096A2 Method for call distribution in a communications network
12/13/1995EP0687095A2 Telecommunication system with internal predictive outdial calling system
12/13/1995EP0687094A2 Access to unsubscribed features
12/13/1995EP0687088A2 Method for distributed voice conferencing in a fast packet network
12/13/1995EP0687051A1 Telephone line interface protection
12/13/1995EP0686909A1 Synchronous voice/data message system
12/13/1995EP0686336A1 Event correlation
12/13/1995EP0686335A1 Communication system
12/13/1995EP0686330A1 Method and apparatus for resolving faults in communications networks
12/12/1995US5475748 Automatic telephone system with function for multiple out-dialed calls per caller
12/12/1995US5475747 Telephone terminal controlled conference inspection
12/12/1995US5475746 In a telecommunication system
12/12/1995US5475743 System and method for processing telephone numbers
12/12/1995US5475740 System for accessing and paying for amenities using a telephone
12/12/1995US5475738 Interface between text and voice messaging systems
12/12/1995US5475737 Communications system
12/12/1995US5475733 Language accommodated message relaying for hearing impaired callers
12/12/1995US5475732 Monitor for a communication system
12/12/1995US5475380 Time alarm method of a radio paging receiver
12/12/1995CA2067899C Device for detecting tones on telephone lines
12/11/1995CA2150842A1 System and method for simultaneously controlling ringing at local and remote telephones
12/07/1995WO1995033353A1 Connection release in a telecommunications system
12/07/1995WO1995033352A2 A system for monitoring telephone networks and/or data communication networks, especially mobile telephone networks
12/07/1995WO1995033347A1 Connection release in a telecommunications system
12/07/1995WO1995033327A2 Process for selecting and transmitting multimedia information by means of information servers with digital connecting lines
12/07/1995WO1995033326A2 Method and arrangement for call setup in telecommunication networks using signaling aided redialing
12/07/1995WO1995033325A2 Apparatus for supervising an automatic call distribution telephone system
12/07/1995DE19508461A1 Communications connection detection system for mobile communications network
12/07/1995CA2189119A1 Method and arrangement for call setup in telecommunication networks using signaling aided redialing
12/07/1995CA2125239A1 Network service provisioning
12/06/1995EP0685957A2 Telephone exchange with voice storage device
12/06/1995EP0685956A2 Telephone exchange with voice storage device
12/06/1995EP0685955A2 Outline programming for developing communication services
12/06/1995EP0685119A1 Telecommunications terminal block
12/06/1995CN1113063A Digital transmiting means
12/05/1995US5473682 Automatic signalling-system switching device for digital line circuit device in subscriber system
12/05/1995US5473681 Method for use in completing telephone calls
12/05/1995US5473680 Methods and apparatus for interfacing with application programs to manage multimedia multiparty communications
12/05/1995US5473679 Signaling system for broadband communications networks
12/05/1995US5473677 Telecommunications network architecture and system
12/05/1995US5473676 Telephone handset interface for automatic switching between voice and data communications
12/05/1995US5473672 Inband messaging system interface of a PBX
12/05/1995US5473671 Selective screening of incoming calls for cellular telephone systems
12/05/1995US5473666 Method and apparatus for digitally controlling gain in a talking path
12/05/1995US5473665 Performance monitoring of DS0 channel via D4 channel bank
12/05/1995US5473630 Telecommunications rate data base accessing
12/05/1995US5473506 Cooling a large microprocessor in a small module
12/05/1995US5473367 Method for controlling a video conference between video terminals
12/05/1995US5473363 System, method and multipoint control unit for multipoint multimedia conferencing
12/05/1995CA2053744C Call-load-control arrangement for an emergency-call-answering center
12/02/1995CA2150621A1 Pabx with voice mail device
12/02/1995CA2150619A1 Telephone exchange with voice mail device
11/1995
11/30/1995WO1995032588A1 Mediation of open advanced intelligent network interface by shared execution environment
11/30/1995WO1995032577A1 System for providing special services in telecommunication networks
11/30/1995WO1995032575A2 Network termination equipment
11/30/1995WO1995032569A2 Method for monitoring the condition of an interconnection network
11/30/1995WO1995027359A3 Mobility in telecommunication networks
11/30/1995CA2190106A1 Providing special services to a caller configured as a virtual called party
11/29/1995EP0684725A2 Modular structured service personal computer
11/29/1995EP0684722A2 Diverter interface between two telecommunication lines and a subscriber station set
11/29/1995EP0684574A2 Method and personal computer for administration and service of communication systems
11/29/1995CN1112757A Traffic shifting algorithm in topms
11/29/1995CN1112755A Interface circuit with transparent impedance
11/28/1995US5471527 In a telecommunications network
11/28/1995US5471526 Tracing with keys and locks on a telecommunication network
11/28/1995US5471525 Line status display system for telephone exchange system
11/28/1995US5471523 Telephone call and voice processing system
11/28/1995US5471521 Distributed system for call processing
11/28/1995US5471519 Communications monitoring and control system
11/28/1995US5471517 Subscriber system testing method
11/28/1995US5471470 Computer-based multifunction personal communications system
11/28/1995US5471399 Network management system and network status display method
11/28/1995US5471318 Multimedia communications network
11/27/1995CA2126995A1 Automatic telephone advertising
11/23/1995WO1995031873A1 Computer teleconferencing method and apparatus
11/23/1995WO1995031867A1 Method and system for compensating for coupling between circuits of quaded cable in a telecommunication transmission system
11/23/1995WO1995031865A1 Customer line tester
11/23/1995DE4417955A1 Fault location system for communications network subscriber termination
11/22/1995EP0683590A1 Telephone exchange system
11/22/1995EP0683589A2 Method and apparatus for diverting a telephone connection
11/22/1995EP0682836A1 Sound localization system for teleconferencing using self-steering microphone arrays
11/22/1995CN1112344A Revertive calling automatic call distributor
11/22/1995CN1112322A Reconfigurable switching network
11/22/1995CN1112318A Alarm and test system for a digital added main line
11/22/1995CN1030365C Telephone circuit assembly with hook-off detector circuit
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