Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
06/1999
06/30/1999EP0925694A1 Telecommunications intelligent network
06/30/1999EP0749668B1 Broadband switching network
06/30/1999CN2327122Y Telephone number-checking device
06/30/1999CN2327121Y Fixing mechanism for connect end of wire of computer and telephone
06/30/1999CN1221541A Improving charging criteria for call in cellular mobile network
06/30/1999CN1221539A Programmable call processing system and method
06/30/1999CN1221535A Data transmission system and process for transmitting facsimiles
06/30/1999CN1221534A Modem with IP support
06/30/1999CN1221533A Access network over shared medium
06/30/1999CN1221531A Telephone doubler arrangement
06/30/1999CN1221530A Access network over dedicated medium
06/30/1999CN1221305A Codeless telephone system and its independent base station and mobile station
06/30/1999CN1221281A Method for preparing terminal to be used in system, and system, and terminal
06/30/1999CN1221278A PSTN connection device with splitter for asymmetric digital subscriber line transmission system
06/30/1999CN1221276A Integrated wireline-wireless system
06/30/1999CN1221274A Push/pull system for exchanging data between terminal and access means
06/30/1999CN1043941C Interface circuit with transparent impedance
06/29/1999US5918179 Communication system and method using two-way paging to provide call control
06/29/1999US5918159 Location reporting satellite paging system with optional blocking of location reporting
06/29/1999US5918158 Two-way wireless messaging system
06/29/1999US5917903 For automated call response and connecting a caller to a live agent
06/29/1999US5917902 Methods and systems for determining the classification of a call
06/29/1999US5917900 System for processing a call in a telecommunications network
06/29/1999US5917898 Telecommunications network traffic management system
06/29/1999US5917893 Multiple format telephonic interface control system
06/29/1999US5917891 Method for assisting voice-dialing
06/29/1999US5917890 Disambiguation of alphabetic characters in an automated call processing environment
06/29/1999US5917888 System and method for enhanced telecommunications relay service with easy extension feature
06/29/1999US5917886 Method and equipment for monitoring the condition of an interconnection network
06/29/1999US5917885 Method and system for testing subscriber circuits and wiring in a cable communication system
06/29/1999US5917817 User invocation of services in public switched telephone network via parallel data networks
06/29/1999US5917815 Method and apparatus for converting synchronous narrowband signals into a SONET virtual tributary group for combining with broadband asynchronous transfer mode signals in an integrated telecommunications network
06/29/1999US5917807 Apparatus for and method of checking the validity of directory numbers in a device for interfacing communications equipment to a telephone line
06/29/1999US5917805 Network switch utilizing centralized and partitioned memory for connection topology information storage
06/29/1999US5917543 Video conference system and control method for the same
06/29/1999US5917426 Network system capable of managing connection data
06/29/1999US5916302 Multimedia conferencing using parallel networks
06/29/1999CA2255352A1 Enhanced locating and communication service
06/29/1999CA2255316A1 Sustained call announce
06/29/1999CA2164668C Automatic conference initiation upon all telephones for the conference being idle
06/24/1999WO1999031926A1 Communication system architecture and a management control agent and operating protocol therefor
06/24/1999WO1999031925A1 Monitoring isdn links
06/24/1999WO1999031916A2 Handling of forwarded calls
06/24/1999WO1999031909A1 System, method, and apparatus for delayed call answering
06/24/1999WO1999031908A1 Automated warranty registration
06/24/1999WO1999031905A1 Method and system for operating a radio communication network combining a wireless telephone with the telephone network
06/24/1999WO1999031899A1 Televoting service for an advanced intelligent network
06/24/1999WO1999031892A2 System for forwarding and logging a digital message from a telecommunications device
06/24/1999WO1999031865A1 System and method of responding to an incoming call while conferencing
06/24/1999WO1999031864A1 Apparatus and method for retrieving voicemail messages in a wireless communication system
06/24/1999WO1999031863A1 Method and arrangement in a communication network
06/24/1999WO1999031862A1 Method and apparatus for allowing selective disposition of an incoming telephone call during an internet session
06/24/1999WO1999031861A2 Method for improving the recording of information during an on-going telephone call
06/24/1999WO1999031856A1 Multimodal user interface with speech in-/output and graphic display
06/24/1999WO1999031822A1 Short messaging method and system for airborne passengers
06/24/1999WO1999031818A1 User interface for voice message access
06/24/1999WO1999020031A3 Data access in a telephone system
06/24/1999WO1999018704A3 System and method for providing restrictions on mobile-originated calls
06/24/1999WO1999018577A3 A method for recording received sound signals in a telephone
06/24/1999WO1999008084A3 Accessing the internet using speech recognition
06/24/1999WO1999003244A3 Method of and device for measuring echo parameters on telephone lines
06/24/1999DE19758352A1 Mobile location identification unit for automatic telephone call transfer
06/24/1999DE19756035A1 Mobile telephone connection selection method
06/24/1999CA2315168A1 Method and apparatus for allowing selective disposition of an incoming telephone call during an internet session
06/24/1999CA2235556A1 Interactive graphic payphone
06/24/1999CA2225910A1 Audio recording and playback system
06/23/1999EP0924955A2 Arrangement for wireline digital message transmission
06/23/1999EP0924919A2 System and method for centrex translation
06/23/1999EP0924918A2 Multimedia call signalling system and method
06/23/1999EP0924917A2 Method for adding context to communications
06/23/1999EP0924916A2 Method and telecommunication network for information exchange between a subscriber and a service unit
06/23/1999EP0924866A1 Transmission system comprising at least one satellite station and one base station, the station comprising a device for the correction of speech messages and a method for enhancing speech quality
06/23/1999EP0923844A1 Roaming process and pertaining devices
06/23/1999EP0923837A1 A telecommunications system and method for automatic call recognition and distribution
06/23/1999EP0923836A1 Method for protecting a communications facility against unauthorized access
06/23/1999EP0923834A1 Procedure for the management of a subscriber database in a telephone exchange
06/23/1999EP0923825A1 Method and system for establishing and maintaining user-controlled anonymous communications
06/23/1999EP0923824A2 Improvements in, or relating to, control channels for telecommunications transmission systems
06/23/1999EP0923823A2 Improvements in, or relating to, multi-carrier transmission systems
06/23/1999EP0923822A2 Improvements in, or relating to, multi-carrier transmission systems
06/23/1999EP0830779B1 Voice mail system
06/23/1999EP0724805B1 Detection system for component identifiers in a telecommunication system
06/23/1999CN2325932Y Telephone line monitoring arrangement able to interrupt existing connection service without preconditions
06/23/1999CN1220810A Method for data transmission to slave exchanges
06/23/1999CN1220809A Method of preventing data inconisistency between master exchange data and backup exchange data
06/23/1999CN1220808A Peripheral control in intelligent network
06/23/1999CN1220553A Control architecture for homogeneous routing structure
06/23/1999CN1220539A Telecommunications line termination test
06/23/1999CN1220538A Method for testing local telephone communication line
06/23/1999CN1220537A Individualised system for exchanging data between terminal and access means via telephone network, and terminal, and access means
06/23/1999CA2254814A1 Access terminal with printer
06/23/1999CA2233633A1 Computer network gateway for voice mail systems and method and system of cryptographic key distribution
06/22/1999US5915224 Telecommunications method for multi-network communications
06/22/1999US5915222 Transporting short message service (SMS) messages within a telecommunications network
06/22/1999US5915207 Mobile and wireless information dissemination architecture and protocols
06/22/1999US5915091 Synchronization in video conferencing
06/22/1999US5915014 Communication system
06/22/1999US5915012 System and method for operating a plurality of call centers
06/22/1999US5915011 Statistically-predictive and agent-predictive call routing
06/22/1999US5915010 System, method and user interface for data announced call transfer