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)
08/1999
08/31/1999CA2153729C Method of transmitting control signals and pbx system
08/31/1999CA2087633C Electronic exchange apparatus
08/26/1999WO1999043164A1 Interaction handler for telephone subscriber services
08/26/1999WO1999043143A1 Processing packet-switched voice calls directed to a mobile unit operating in circuit-switched mode
08/26/1999WO1999043141A2 Procedure to transmit information at telephone answering service
08/26/1999WO1999043140A1 System for consulting an electronic mail server
08/26/1999WO1999043139A1 Call-back method for telecommunications and devices adapted accordingly
08/26/1999WO1999043138A1 Method for the temporary allocation of terminals and users in a private virtual network
08/26/1999WO1999043137A1 Method and apparatus for enabling full interactive monitoring of calls to and from a call-in center
08/26/1999WO1999033247A3 Procedure for interprocess data transfer
08/26/1999WO1999031916A3 Handling of forwarded calls
08/26/1999WO1999031892A3 System for forwarding and logging a digital message from a telecommunications device
08/26/1999WO1999027704A3 Subscriber line interface circuit
08/26/1999WO1999026387A9 Distributed processing of high level protocols, such as real time transport protocols, in a network access server
08/26/1999WO1999026153A3 Method for establishing a communication connection between two or more users via a network of interconnected computers
08/26/1999WO1998041032A9 Method and apparatus for establishing a voice call to a pstn extension for a networked client computer
08/26/1999DE19908175A1 Multiple user response coordination method for interactive voice response unit
08/26/1999DE19807532A1 Automatic function monitoring method for integrated services digital network telephone line
08/26/1999CA2320978A1 Method and apparatus for enabling full interactive monitoring of calls to and from a call-in center
08/25/1999EP0938244A2 Optical wavelength multiplexing system having a redundant configuration
08/25/1999EP0938225A2 System and method for providing advanced calling features to a packet network-based communication device
08/25/1999EP0938224A2 Call forwarding via three-way calling
08/25/1999EP0938223A2 Terminal and fixed network with terminal independent subscribers
08/25/1999EP0938213A2 System and method for managing incoming communication events using multiple media options
08/25/1999EP0937352A1 Interactive information transaction processing system with universal telephony gateway capabilities
08/25/1999EP0694239B1 Method and system for controlling the operation of a telephone exchange from a subscriber connection
08/25/1999CN1227039A Call generator within mobile telecommunications network
08/25/1999CN1227025A Method for protecting communications facility against unauthorized access
08/25/1999CN1227022A Method and apparatus for superframe bit allocation in discrete multitone system
08/25/1999CN1226788A Global mobile paging system
08/25/1999CN1226778A Automatic voice announcement apparatus and control method therefor
08/24/1999US5943611 Cellular radiotelephones including means for generating a search request data signal and receiving a telephone number from a network directory database and related methods
08/24/1999US5943418 Ring-trip circuit
08/24/1999US5943417 Method and system for personalized directory assistance services
08/24/1999US5943416 Automated survey control routine in a call center environment
08/24/1999US5943415 Automatic call distributing queuing (ACDQ) call transfer method and telephone system having ACDQ call transfer function
08/24/1999US5943414 Transparent protected access to corporate dialing plan
08/24/1999US5943413 Method for selectively routing enhanced calls
08/24/1999US5943411 Method for routing an NP call
08/24/1999US5943410 Automated calling of multiple numbers using directory assistance
08/24/1999US5943409 Method and system for providing automatic recall information in a telecommunications network
08/24/1999US5943405 Credit calling service system
08/24/1999US5943403 To bridge a call between an origination telephone and a destination
08/24/1999US5943402 Method for annotating and editing voice messages via acoustic bullet points
08/24/1999US5943400 Voice mailing system for performing fax mail service and service method therefor
08/24/1999US5943399 Methods and apparatus for providing communications to telecommunications terminals
08/24/1999US5943397 Network assisted callback system
08/24/1999US5943395 Telephone apparatus, systems, and processes to enhance access for TDD and/or TTY devices
08/24/1999US5943393 Telecommunications intercept system
08/24/1999US5943335 Method for minimizing call setups in ISDN PBX systems
08/24/1999US5943319 Packet format interface for telecommunication instruments
08/24/1999US5943244 System for optimizing a network plan and method of operation
08/24/1999US5943232 Autonomous overload control for distributed real time systems
08/24/1999US5941955 Recovery of distributed hierarchical data access routing system upon detected failure of communication between nodes
08/24/1999CA2195436C Switching in a telecommunications service node
08/24/1999CA2118134C Toll call telephone service center
08/19/1999WO1999041915A1 Process and device for the secured availability of signalling network functions for distributed telecommunication applications
08/19/1999WO1999041899A1 System and method for controlling and selecting long distance telephone rates
08/19/1999WO1999041896A1 Telecommunications platform
08/19/1999WO1999041895A1 Intelligent virtual queue
08/19/1999WO1999041894A1 System and method for confirmation of televoting event scheduling
08/19/1999WO1999041892A2 Order processing and reporting system for telecommunications carrier services
08/19/1999WO1999041891A1 Automated survey control routine in a call center environment
08/19/1999WO1999041890A2 Telephone network interface bridge between data telephony networks and dedicated connection telephony networks
08/19/1999WO1999041880A1 Teleconferencing method and apparatus with three-dimensional sound positioning
08/19/1999WO1999041720A1 Method and apparatus for call distribution and override with priority
08/19/1999WO1999041620A2 Method and arrangement for exchanging a faulty module, preferably in a digital local exchange installation
08/19/1999WO1999008084A8 Accessing the internet using speech recognition
08/19/1999DE19805711A1 Verfahren und Anordnung zum Austausch einer defekten Baugruppe vorzugsweise innerhalb einer digitalen Vermittlungsstellenanlage Method and apparatus for replacing a defective module preferably within a digital exchanges Conditioning
08/19/1999CA2320979A1 Telephone network interface bridge between data telephony networks and dedicated connection telephony networks
08/18/1999EP0936827A1 Telephone system with a base station and at least one subscriber station, containing a callback device, and callback method
08/18/1999EP0936796A2 Method of resource management at computer controlled telephony hardware
08/18/1999EP0936795A2 System and method for bridging wireless and wireline subscribers
08/18/1999EP0935890A2 Method for data transmission to slave exchanges
08/18/1999EP0935889A1 Traffic control in a communications network
08/18/1999EP0935887A1 Method and apparatus for selecting one voice gateway from multitude of voice gateways, which shall serve a remote application
08/18/1999EP0935870A1 Authentication system for a communication network
08/18/1999EP0935869A1 Method of rendering misuse of communication services more difficult
08/18/1999EP0935861A2 Method and system for requesting a dial up connection via a packet switched network
08/18/1999EP0862838A4 Call routing to wireless roamers in mobile telecommunication systems
08/18/1999EP0769227A4 Signal protection and monitoring system
08/18/1999CN1226367A System and method of preventing fraudulent call transfers in dradio distance telecommunications network
08/18/1999CN1226366A Converting routing address within telecommunications network
08/18/1999CN1226364A Emergency call back using MSC numbers
08/18/1999CN1226363A System and method for operation of main telecommunications services
08/18/1999CN1226352A Device for indirect transmission of information on data and/or telecommunication networks
08/18/1999CN1226350A System and method for providing customer contact service through customer contact service node/internet gateway
08/18/1999CN1226114A Busy call management system and its method in exchange
08/18/1999CN1226112A Key telephone system capable of displaying plurality of outgoing telephone numbers included in incoming calls
08/18/1999CN1226111A Testing system of voice-band data transmission interface on exchange
08/17/1999US5940834 Automatic web page generator
08/17/1999US5940796 Speech synthesis client/server system employing client determined destination control
08/17/1999US5940795 Speech synthesis system
08/17/1999US5940793 Speech recognition apparatus
08/17/1999US5940792 Nonintrusive testing of telecommunication speech by determining deviations from invariant characteristics or relationships
08/17/1999US5940790 Multilingual operation and maintenance interface for a telecommunication exchange
08/17/1999US5940755 System and method for wireless network of unlicensed personal communications service areas with local switch interfaces and enhanced customer features
08/17/1999US5940740 Method and apparatus for message transmission verification
08/17/1999US5940589 Method and apparatus for validating a subscriber terminal on a telecommunication network
08/17/1999US5940497 Statistically-predictive and agent-predictive call routing
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