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)
11/1995
11/21/1995US5469504 Automatic call distribution with intersubnetwork customer information transfer system and method
11/21/1995US5469503 Method for resynchronizing secondary database and primary database with preservation of functionality of an automatic call distribution system
11/21/1995US5469502 Telecommunication system for selecting optimum transfer rate
11/21/1995US5469501 Communication exchange apparatus with switching of communication terminal information
11/21/1995US5469500 Method and apparatus for delivering calling services
11/21/1995US5469499 System for securing access to equipment connectable to a telephone communication channel
11/21/1995US5469498 Post-delivery support system for private branch exchanges
11/21/1995US5469496 Personal communications service using wireline/wireless integration
11/21/1995US5469495 Method and apparatus for delivering secured telephone service in hybrid coaxial cable network
11/21/1995US5469493 Telephone call saving system and method for an integrated service digital network
11/21/1995US5469491 Telephone answering service with integrated voice and textual message storage
11/21/1995US5469441 Digital telephone communication system including an exchange and a service station connected thereto for supplying programming information to user stations by way of the B channels of the system
11/21/1995US5469440 Communications network and method
11/21/1995US5469282 Power supply system for optical network unit of a fiber in the loop
11/16/1995WO1995031078A1 Call routing system for a wireless data device
11/16/1995WO1995031076A2 Call forwarding method and arrangement for a mobile terminating call
11/16/1995WO1995031072A2 An improved modem to support multiple site call conferenced data communications
11/16/1995WO1995031059A1 An improved network architecture to support multiple site real-time video games
11/16/1995DE4430383A1 Voice mail communication procedure
11/15/1995EP0682457A2 Method for relocating a subscriber in a voice messaging system
11/15/1995EP0682436A2 Voice actuated switching system
11/15/1995EP0682435A2 Alarm and test system with improved coupling circuit for a digital added main line
11/15/1995EP0682430A2 Data transmission system and method
11/15/1995EP0681778A1 A method for assigning speech items in group calls
11/15/1995EP0681777A1 Call completion system and method
11/15/1995EP0681772A1 A method and apparatus for audio teleconferencing a plurality of phone channels
11/15/1995EP0681769A1 Switch protection arrangement
11/15/1995EP0681730A1 Transmitted noise reduction in communications systems
11/15/1995CN1111925A Apparatus for use in completing telephone calls
11/15/1995CN1111894A Connection method of communication path between a main station exchange and remote switching devices
11/15/1995CN1111892A Fixed cellular terminal
11/15/1995CN1111865A Universal test interface for switching systems
11/15/1995CN1111862A Call monitoring system for intelligent call processing
11/15/1995CN1111775A Audio conferencing system
11/14/1995US5467395 Telephone exchange apparatus
11/14/1995US5467391 Integrated intelligent call blending
11/14/1995US5467390 Data transmission via a public switched telephone network
11/14/1995US5467389 Personal communication system answerable by proxy
11/14/1995US5467388 Method and apparatus for selectively blocking incoming telephone calls
11/14/1995US5467387 Method for influencing a signaling procedure with the assistance of communication terminal equipment of a communication system
11/14/1995CA2058594C Electronic switch connected to intelligent peripheral while permitting call processing of dialed digits
11/14/1995CA1337570C Call transfer between a message service system and a telephone switching system
11/09/1995WO1995030317A1 Service provision system for communications networks
11/09/1995WO1995030299A1 Process for activating a mailbox message notification in a communications terminal
11/09/1995WO1995030298A1 Telecommunications line test system
11/09/1995WO1995030296A1 Speaking/answering device for telephone communication
11/09/1995WO1995030200A1 Temperature management for integrated circuits
11/09/1995WO1995020854A3 Generic service coordination mechanism
11/08/1995EP0681405A1 System for diverting signalling link traffic in a common channel signalling system
11/08/1995EP0681392A2 Apparatus for use in isolating the cause of a dropped telecommunication call
11/08/1995EP0680678A1 Information distribution systems, particularly tour guide systems
11/08/1995EP0680666A1 Gel filled modular electrical connecting block
11/08/1995CN1111470A Telecommunications follow me services
11/08/1995CN1111427A Network-accessible intelligent telephone service
11/08/1995CN1111424A Broadcasting method simutanously transmiting one announcement to several user in a system
11/07/1995US5465387 Adaptive fraud monitoring and control
11/07/1995US5465295 Caller directed routing of a telephone call based on a dialed suffix
11/07/1995US5465293 Apparatus and method for screening foreign incollect calls to domestic non-collect call telephone numbers to reduce fraud
11/07/1995US5465292 Trading telephone
11/07/1995US5465291 Apparatus for ordering from remote locations
11/07/1995US5465290 Confirming identity of telephone caller
11/07/1995US5465287 In a telephone system
11/07/1995US5465286 Apparatus for supervising an automatic call distribution telephone system
11/02/1995WO1995029564A1 Service creation apparatus for a communications network
11/02/1995WO1995029536A1 Hybrid electricity and telecommunications distribution network
11/02/1995WO1995024788A3 Expandable telecommunications system
11/02/1995EP0680239A2 Connection control equipment for ISDN
11/02/1995EP0680230A1 Fixed cellular terminal
11/02/1995EP0680190A2 A teleconferencing audio bridge
11/02/1995EP0680182A2 Method and arrangement for operating a switching network
11/02/1995EP0680152A2 Dynamic compression-rate selection arrangement
11/02/1995EP0679319A1 Telecommunication switch with programmable communications services.
11/02/1995EP0489807B1 Optical switching network
11/02/1995DE4415168A1 Verfahren zum Aktivieren einer Postfachanzeige an einem Kommunikationsendgerät A method for activating a mailbox message notification at a communications terminal
11/02/1995DE4415143A1 Exchange system testing system
11/02/1995DE19514806A1 Stromdetektor Current detector
11/01/1995CN1111077A Method for use in completing telephone calls
10/1995
10/31/1995US5463731 Monitor screen graphic value indicator system
10/31/1995US5463686 Communication routing method with income optimization for telecommunication networks
10/31/1995US5463685 In a telecommunications network
10/31/1995US5463684 Telecommunications system for transferring calls without a private branch exchange
10/31/1995US5463683 Blocked call notification system
10/31/1995US5463682 Method of creating user-defined call processing procedures
10/31/1995US5463681 Security system for terminating fraudulent telephone calls
10/31/1995US5463677 Method and apparatus for facilitating the making of collect calls
10/31/1995US5463676 Key telephone system with a voice storage equipment
10/31/1995US5463674 Cellular cordless telephone which polls information in a memory to determine a pre-selected preference and a stored availability of call forwarding
10/31/1995US5463670 Testing of communication services and circuits
10/31/1995US5463665 Relaying of messages between hearing impaired callers using keyboards and other callers
10/31/1995US5463632 Testing unit by which communication links can be selected and tested, and method thereof
10/31/1995US5463628 Data network interface
10/31/1995US5462438 Method of displaying multiple time series and display generated thereby
10/31/1995CA2053649C Transparent signaling for remote terminals
10/30/1995CA2148185A1 Fixed cellular terminal
10/30/1995CA2147417A1 Method of operating a switching network, as well as switching network and exchange therefor
10/26/1995WO1995028809A2 Method for classifying calls from a mobile subscription
10/26/1995WO1995028790A1 Methods and apparatus for automating telephone directory assistance functions
10/26/1995DE4413960A1 Controlling load of telecommunication network during heavy demand for certain destinations
10/26/1995DE19508940A1 Verfahren zum Betrieb eines Agenten A method of operating an agent
10/25/1995EP0679005A1 Device for managing voice data
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