Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
02/2003
02/20/2003US20030035521 Key telephone system and main unit thereof
02/20/2003US20030035519 Methods and apparatus for accessing web content from a wireless telephone
02/20/2003US20030035518 Voice interaction for location-relevant mobile resource management
02/20/2003US20030035516 Broadcastin and conferencing in a distributed environment
02/20/2003US20030035515 Method and device for transmitting messages in an intelligent network
02/20/2003US20030035415 Method for transferring a call between a telecommunications network and a data network
02/20/2003US20030035414 System and method for mixed mode public and private gatekeeper system
02/20/2003US20030035412 Animated audio messaging
02/20/2003US20030035406 Multiple handset wireless conferencing system
02/20/2003US20030035399 Apparatus and method for data communication
02/20/2003US20030035381 Network-based teleconferencing capabilities utilizing data network call set-up requests
02/19/2003EP1284575A1 Method and apparatus for providing communication service
02/19/2003EP1284574A1 Method and apparatus for displaying an identification related to a telecommunication terminal
02/19/2003EP1284570A2 System and method for pushing encrypted information between a host system and a mobile data communication device
02/19/2003EP1284090A1 Mobile radiotelephone network-side server for a mobile radiotelephone terminal menu
02/19/2003EP1284086A1 Method for managing a public telephone network providing access to internet, public telephone and management server therefor
02/19/2003EP1284085A1 Notification of the presence of messages from currently called subscriber
02/19/2003EP1284084A1 Communication system
02/19/2003EP1284083A1 Method and system for providing geographically targeted information and advertising
02/19/2003EP1284082A2 Method for call forwarding activation-reminder
02/19/2003EP1284068A1 Inverse multiplexer device
02/19/2003EP1232667B1 Srns relocation in a umts network
02/19/2003EP1115729B1 Phosphonic acid derivatives as inhibitors of ptp-1b
02/19/2003CN1398486A Image-sensing display device
02/19/2003CN1398468A Appts. and method for interfacing internet telephone
02/19/2003CN1398456A High speed dial-up sevice using PCM modem tech
02/19/2003CN1398388A Location or inventory system
02/19/2003CN1398370A Information service for providing help contents
02/19/2003CN1398135A 便携电话终端及其定制方法 Portable telephone terminal and custom methods
02/19/2003CN1398125A Process for treating middle or high traffic load in intelligent mobile network
02/19/2003CN1398104A Method for realizing telecommunication payment service with active selectivity
02/19/2003CN1398099A Sound data transmitting system and method and transmitting servicer and user's terminal
02/19/2003CN1398098A Method for autoamtically broadcasting information over public telephone network
02/18/2003US6523079 Micropersonal digital assistant
02/18/2003US6523061 System, method, and article of manufacture for agent-based navigation in a speech-based data navigation system
02/18/2003US6522891 Method of single frequency channel communication
02/18/2003US6522883 Telecommunications service delivery
02/18/2003US6522743 Routing calls to call centers
02/18/2003US6522742 System and method for normalizing private exchange output
02/18/2003US6522740 Method and system for selectively performing call information query
02/18/2003US6522739 Apparatus and method for multi-access conference call in exchange system
02/18/2003US6522738 Web site content control via the telephone
02/18/2003US6522732 System and method of preserving stable calls during a split mode operation of telecommunications equipment
02/18/2003US6522731 Data communication apparatus
02/18/2003US6522730 DSL communication system with improved bandwidth
02/18/2003US6522727 System for archiving voice mail messages
02/18/2003US6522726 Speech-responsive voice messaging system and method
02/18/2003US6522725 Speech recognition system capable of flexibly changing speech recognizing function without deteriorating quality of recognition result
02/18/2003US6522724 Apparatus and method that allow telephone callers to leave longer messages
02/18/2003US6522723 Telephony line test unit and method
02/18/2003US6522660 Method and system for controlling reservation of data channels in automatic call distribution services
02/18/2003US6522646 Expandable telecommunications system
02/18/2003US6522645 Computer telephony integration system and operation method therein
02/18/2003US6522641 Integrated data centric network (IDCN)
02/18/2003US6522633 Conferencing arrangement for use with wireless terminals
02/18/2003US6522630 Explicit routing method
02/18/2003US6522429 Facsimile machine and facsimile communication system
02/18/2003US6520744 Method and apparatus for improving performance of a splitterless asymmetric digital subscriber line (ADSL)
02/18/2003CA2312828C Network call trace
02/18/2003CA2310963C A method for enhancing the performance of a network signal processing platform
02/18/2003CA2310958C A method of informing a person of the application of telephone network sound enchancement
02/18/2003CA2309186C Negotiated routing in telephony systems
02/18/2003CA2256727C Converting a routing address within a telecommunications network
02/18/2003CA2249817C Message and communication system in network
02/18/2003CA2231928C Method and system for providing access to a telecommunications network
02/18/2003CA2228169C Method and apparatus for providing telecommunication services
02/18/2003CA2218527C Voice recording and playback apparatus
02/16/2003CA2398324A1 Network-based teleconferencing capabilities utilizing data network call set-up requests
02/14/2003CA2398024A1 Support for massive subscriber profile changes in ansi-41e networks
02/14/2003CA2357898A1 System and method for automatic gain and slope equalization provisioning of telephone transmission lines
02/13/2003WO2003013120A1 Policy based pc-to-phone text messaging for enterprise networks
02/13/2003WO2003013119A1 Telephone system, and computer readable recording medium on which telephone program is recorded
02/13/2003WO2003013118A1 A call completion system
02/13/2003WO2003013117A1 Personal call routing
02/13/2003WO2003013116A1 Splitting up the handling of voice channel-related functions in a telecommunications network, whereby only the least used functions are centrally provided
02/13/2003WO2003013115A2 A method for seamless port capability for an alternative service provider
02/13/2003WO2003013114A1 The method for initiative setting up the call by the server control point in the mobile intelligent network
02/13/2003WO2003013113A2 Automatic interaction analysis between agent and customer
02/13/2003WO2003013112A1 Technique for facilitating communications with a party after initial unsuccessful communications therewith
02/13/2003WO2003013111A1 Telephone call processing in an interactive voice response call management system
02/13/2003WO2003013109A1 Improved crosstalk identification for spectrum management in broadband telecommunications systems
02/13/2003WO2003013107A1 Telephone apparatus having video telephone function
02/13/2003WO2003013079A1 Messaging systems
02/13/2003WO2003013069A1 Enhanced ip phone operation
02/13/2003WO2003013015A1 Loop diagnostic mode for adsl modems
02/13/2003WO2003013008A2 Ocal exchange subscriber line conferencing method
02/13/2003WO2003013006A2 Apparatus, and method, for providing an operation parameter to a radio communication station mobile station
02/13/2003WO2003012704A1 Method and apparatus for modelling user behaviour
02/13/2003WO2003012669A1 Multiple host arrangement for multimedia sessions using session initiation protocol (sip) communication
02/13/2003WO2003012596A2 System and method for managing requests for medical transportation
02/13/2003WO2003012588A2 Conversational dealing system
02/13/2003WO2003003753A3 Method for protecting against overload of a packet switching network node of a communication network
02/13/2003WO2002089506A3 Switch system for telephony
02/13/2003WO2002052881B1 Method and device for handling telephone calls directed to non-reachable mobile phones
02/13/2003WO2002052368A3 Technique for providing personalized information and communications services
02/13/2003WO2002047320A8 A messaging system involving wireless communications and method therefor
02/13/2003WO2002043350A3 Call management system
02/13/2003WO2002043338A9 System and method for implementing and accessing call forwarding services
02/13/2003WO2002042784A8 Network revision system with probe
02/13/2003WO2002028080A3 Method for displaying system-specific messages on terminals of any manufacturer