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)
05/1998
05/06/1998EP0840529A2 Method for providing virtual dedicated access to an inter-exchange carrier
05/06/1998EP0840509A2 System and method for accessing data files in a computer network
05/06/1998EP0840491A1 A method and apparatus for dynamically creating message mailboxes
05/06/1998EP0840490A2 Telecommunication feature for exchange of translation information between a computer and a telecommunication switching system
05/06/1998EP0840489A1 Compatibility between a telephone service with server and an ISDN caller identification service
05/06/1998EP0840488A2 Voice-dialling system using both spoken names and initial letters in recognition
05/06/1998EP0839431A1 Telecommunication network with least cost routing
05/06/1998EP0839428A1 Reconfigurable on-demand telephone and data line system
05/06/1998EP0839426A2 Telephone exchange
05/06/1998EP0839425A2 Functionality of terminal devices
05/06/1998EP0839424A1 Extended chip select reset apparatus and method
05/06/1998EP0839422A1 Linked-list structures for multiple levels of control in an atm switch
05/06/1998EP0839421A2 Allocated and dynamic switch flow control
05/06/1998EP0839420A1 Allocated and dynamic bandwidth management
05/06/1998EP0839419A2 Hierarchical resource management
05/06/1998EP0839413A1 Power line telephone communications system having on hook digital voiceband messaging
05/06/1998EP0692171B1 Fraud preventing system and method for a communication network
05/06/1998CN1181168A Billing and service apparatus in telecommunication network for providing value added services
05/06/1998CA2422234A1 Interactive subscriber telephone terminal with automatic management software download feature
05/05/1998US5748724 Method for transferring a subscriber to a new local service provider
05/05/1998US5748717 Method and system for assigning a communication to a preferred carrier for accounting and/or communication routing purposes
05/05/1998US5748711 Telephone transaction processing as a part of call transport
05/05/1998US5748710 Method, network, system and devices for central management of spoken announcements for download on demand
05/05/1998US5748629 Allocated and dynamic bandwidth management
05/05/1998US5748618 Multilevel arbitration in a data conference
05/05/1998US5748617 Method and apparatus for emulating a digital cross-connect switch network
05/05/1998US5748098 Event correlation
05/05/1998CA2220322A1 A method and apparatus for dynamically creating message mailboxes
05/05/1998CA2220317A1 A system for accessing multimedia mailboxes and messages over the internet and via telephone
05/05/1998CA2025950C Duplex structure signal transfer point system for common channel signalling system no. 7
04/1998
04/30/1998WO1998018283A1 Methods of and apparatus for providing telephone call control and information
04/30/1998WO1998018268A1 Telecommunications network with relocateability of subscriber number
04/30/1998WO1998018249A1 Communications addressing system
04/30/1998WO1998018241A1 A method for separately permissioned communication
04/30/1998WO1998018237A1 A system and method for personal multimedia communication over a packet switched network
04/30/1998WO1998018227A2 Procedure and system for adapting a data link connection between a remote workstation and an automatic call allocation system
04/30/1998WO1998018082A2 Method for qos measurement
04/30/1998WO1998009233A3 Event recording in a service database system
04/30/1998WO1998007282A3 Negotiation process for connection management
04/30/1998WO1998004088A3 Method and apparatus to achieve minimum cost on-line access
04/30/1998WO1998002004A3 Variable burst remote access application messaging method and apparatus
04/30/1998WO1997014234A3 Point-to-point internet protocol
04/30/1998DE19746258A1 Echosteuervorrichtung eines Videokonferenzsystems und zugehöriges Steuerverfahren Echo control device of a video conferencing system and related control method
04/30/1998DE19644841A1 Additional telephone unit for incorrectly replaced receiver off=hook alarm
04/30/1998DE19644703A1 Verfahren und Einrichtung zum Datenaustausch zwischen einer zentralen Einheit und einer Datenendeinrichtung Method and apparatus for exchanging data between a central unit and a data terminal
04/30/1998DE19644386A1 Free of charge switching and connection method for calls
04/30/1998DE19644149A1 Method of economical use of data networks
04/30/1998CA2269591A1 A system and method for personal multimedia communication over a packet switched network
04/30/1998CA2269357A1 Procedure and system for adapting a data link connection between a remote workstation and an automatic call allocation system
04/29/1998EP0838968A1 Local access network to mobiles and a method of routing in such a network
04/29/1998EP0838962A2 A method and apparatus for message transmission verification
04/29/1998EP0838935A2 On demand mailbox creation for messaging systems
04/29/1998EP0838934A1 Mail reception notifying system and mail reception notifying method
04/29/1998EP0838769A2 A method for exchanging information retrieved from a plurality of information repositories
04/29/1998EP0838121A2 Call set-up for fixed wireless communications system
04/29/1998EP0741884A4 Funds transaction device
04/29/1998CN1180462A Multi-point to point communication system
04/28/1998US5745892 Switching system with OAM processor capable of automatically updating directory translation data base
04/28/1998US5745882 Electronic classified advertising interface method and instructions with continuous search notification
04/28/1998US5745877 Method and apparatus for providing a human-machine dialog supportable by operator intervention
04/28/1998US5745850 Apparatus and method for mobile (e.g. cellular or wireless) telephone call handover and impersonation
04/28/1998US5745720 Method and personal service computer for the administration and maintenance of communication systems
04/28/1998US5745702 Apparatus and method for interconnecting ISDN/internetwork users
04/28/1998US5745688 Telewriting terminal system performing adding/deleting operation of an image based on control information
04/28/1998US5745563 Telephone subscriber line circuit, components and methods
04/28/1998US5745562 Telephone station voice announce device and method
04/28/1998US5745561 Communications system
04/28/1998US5745559 Restricted access telephones for logical telephone networks
04/28/1998US5745558 Three-way call detection and response system
04/28/1998US5745557 CIDCW primary/secondary arbitration
04/28/1998US5745556 Interactive and information data services telephone billing system
04/28/1998US5745555 System and method using personal identification numbers and associated prompts for controlling unauthorized use of a security device and unauthorized access to a resource
04/28/1998US5745554 Systems for requesting services using card reading terminals
04/28/1998US5745553 On-demand communications services
04/28/1998US5745550 Multiply accommodated message relaying for hearing impaired callers
04/28/1998US5745380 Priority controlled transmission of multimedia streams via a telecommunication line
04/28/1998US5745160 Video conversation/monitoring system having a remote monitoring function
04/28/1998CA2139111C System and method for call-by-call source routing with rule-based fallbacks
04/28/1998CA2134574C Method of allocating international transit traffic among a plurality of carriers in a terminating country
04/28/1998CA2132610C Delayed seizure on associated devices
04/28/1998CA2131600C Automatic speech recognition (asr) processing using confidence measures
04/28/1998CA2107047C Switched circuit connection management over public data networks for wide area networks
04/25/1998CA2218850A1 A directional method to a server for cells transmitted by a module connected to a local mobile access network as well as a network of this type for implementing said method
04/24/1998CA2219039A1 Key telephone switching apparatus and method for accommodating different types of telephones
04/23/1998WO1998017079A1 Method of handling service connections in a communication network
04/23/1998WO1998017076A1 Shared interworking function within a mobile telecommunications network
04/23/1998WO1998017074A2 Providing caller id within a mobile telecommunications network
04/23/1998WO1998017069A2 Method and apparatus for establishing a link in a wireless communication system
04/23/1998WO1998017053A1 Methods and systems for connecting multiple telephone lines between two stations
04/23/1998WO1998017050A1 Circuitry and method for simultaneously transmitting voice and data information
04/23/1998WO1998017049A2 Methods and apparatus for paging systems
04/23/1998WO1998017048A1 Multimedia call centre
04/23/1998WO1998017047A1 Network based predictive dialing
04/23/1998WO1998017045A1 Reprogrammable wireless local loop phone capable of emulating a wireline phone
04/23/1998WO1998017040A1 Method and device for data transmission between a central unit and a data terminal equipment
04/23/1998WO1998016906A1 Speaker verification method
04/23/1998WO1998009464A3 System and method for subscriber activity supervision
04/23/1998WO1998004090A3 Method for handling telephone calls
04/23/1998WO1997041678A3 Process for monitoring a communication line
04/23/1998DE19745026A1 Computer-Telefon-Integrationssystem Computer Telephone Integration System
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