Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
08/2002
08/20/2002US6438216 Nonintrusive call notification method and system using content-specific information
08/20/2002US6438215 Method and system for filter based message processing in a unified messaging system
08/20/2002US6438212 Automated telephone line test apparatus with intelligent diagnostic function
08/20/2002US6438174 Multi-carrier transmission systems
08/20/2002US6438131 Low-overhead service specific convergence layer for voice and telephony over packet-based systems
08/20/2002US6438124 Voice internet transmission system
08/20/2002US6438111 Dynamically scaleable conference system
08/20/2002US6437818 Video conferencing on existing UTP infrastructure
08/20/2002CA2293780C Method of using a natural language interface to retrieve information from one or more data resources
08/20/2002CA2270159C Layer 2 integrated access scheme
08/15/2002WO2002063865A2 Services based on position location using broadcast digital television signals
08/15/2002WO2002063861A1 Loop extender with communications, control, and diagnostics
08/15/2002WO2002063859A1 Call reception infeasibileness informing system and method
08/15/2002WO2002063858A1 A method and apparatus for estimating quality in a telephonic voice connection
08/15/2002WO2002063840A1 System architecture for linking packet-switched and circuit switched clients
08/15/2002WO2002063838A2 Method for sending messages from an mms-system and a device therefor
08/15/2002WO2002063828A1 Control unit for multipoint multimedia/audio conference
08/15/2002WO2002063609A1 Method and device for processing numerous audio binary streams
08/15/2002WO2002063524A1 Device and method for mediating between questioner and answerer by using mobile telephone
08/15/2002WO2002063460A2 Method and system for automatically creating voice xml file
08/15/2002WO2002063413A2 Method and system for providing service
08/15/2002WO2002049298A8 Circuit switched cellulat network to internet calling
08/15/2002WO2002037803A9 Method and system for providing audio conferencing services using streaming audio
08/15/2002WO2002037470A3 An apparatus and method for specifying and obtaining services through voice commands
08/15/2002WO2002030093A3 System for automatically predicting availability of a resource in a customer care center
08/15/2002WO2002028050A3 Method for using the information of a station for providing information, communications terminal, control centre, and station of an information provider
08/15/2002WO2002012976A3 Interface for intelligent network services
08/15/2002WO2002007703A3 Interference suppression procedure for a superordinate nmc by correlation of alarms with results of automatic tests
08/15/2002WO2001078342A9 System and method for pushing information from a host system to a mobile data communication device
08/15/2002WO2001074041A3 Unified messaging system
08/15/2002WO2001039444A9 Method and system for dynamic gateway selection in an ip telephony network
08/15/2002WO2001035680A9 METHOD FOR PROVIDING IP TELEPHONY WITH QoS USING END-TO-END RSVP SIGNALING
08/15/2002US20020112187 Clearinghouse server for internet telephony and multimedia communications
08/15/2002US20020112169 System and method for providing telephone shopping service using originator telephone number and temporary password
08/15/2002US20020112123 Database management system with a multiple-level cache arrangement
08/15/2002US20020112081 Method and system for creating pervasive computing environments
08/15/2002US20020112073 System and method for assisting in controlling real-time transport protocol flow through multiple networks via media flow routing
08/15/2002US20020112063 Methods, systems and computer program products for requesting wireless telephony application (WTA) protocol based actions
08/15/2002US20020111796 Voice processing method, telephone using the same and relay station
08/15/2002US20020111176 System and method for call forwarding in a communication system
08/15/2002US20020111154 Location based delivery
08/15/2002US20020110235 Private telephone management system and method
08/15/2002US20020110233 Method and system for facilitating call-related activities
08/15/2002US20020110232 Systems, methods, and devices for enhancing communications
08/15/2002US20020110231 Centralized communication control center and methods therefor
08/15/2002US20020110230 Method of wireless retrieval of information
08/15/2002US20020110227 Methods and systems to provide a message in a messaging system without revealing an identity of the sending party
08/15/2002US20020110226 Recording and receiving voice mail with freeform bookmarks
08/15/2002US20020110225 Address book for a voice message delivery method and system
08/15/2002US20020110224 Selectable audio and mixed background sound for voice messaging system
08/15/2002US20020110223 Alarm mechanism
08/15/2002US20020110222 Telephony testing system
08/15/2002US20020110221 System and method for fault isolation for DSL loop extenders
08/15/2002US20020110121 Web-enabled call management method and apparatus
08/15/2002US20020110114 Automatic voicemail announcements with multimedia attachments
08/15/2002US20020110113 Switch with emulation client
08/15/2002US20020110112 System and method for managing a network to sustain the quality of voice over internet protocol communications
08/15/2002US20020109770 Videoconference system
08/15/2002US20020109716 Method and system for facilitating call-related activities
08/15/2002US20020109584 Data arrival informing system and method
08/15/2002US20020109509 Modular measuring or testing device
08/15/2002CA2435667A1 A method and apparatus for estimating quality in a telephonic voice connection
08/15/2002CA2401326A1 Apparatus and method for mediating between callers and receivers using mobile phones
08/15/2002CA2337281A1 Telephone number inquiry method and database for all residents
08/14/2002EP1231764A2 Communication unit for connection setup using different modes of communication
08/14/2002EP1231741A2 Universal mobile telecommunications system (UMTS) quality of service (QoS) supporting asymmetric traffic classes
08/14/2002EP1231536A2 Method and system of enhancing the function of a telecommunication installation
08/14/2002EP1230817A1 Communications system providing call type indication for group calls
08/14/2002EP1230816A1 A method and an apparatus for scheduling
08/14/2002EP1230810A1 Implementation of additional functions and performance criteria of a call distribution system
08/14/2002EP1230809A1 Method and communications arrangement for realising user performance characteristics
08/14/2002EP1230808A1 Implementation of additional functions for user connections having individually configured performance criteria
08/14/2002EP1230806A2 METHOD FOR PROVIDING IP TELEPHONY WITH QoS USING END-TO-END RSVP SIGNALING
08/14/2002EP1230783A2 Telephone based access to instant messaging
08/14/2002EP1230782A2 Telecommunication terminal, multifunction operating device and method for establishing a telephone connection
08/14/2002EP1230780A1 Adaptable chip card
08/14/2002EP1230775A2 Interactive communications system and method for controlling the same
08/14/2002EP1230770A1 Method and system for dynamic gateway selection in an ip telephony network
08/14/2002EP1230767A1 Internet protocol telephony voice/video message deposit and retrieval
08/14/2002EP1104629A4 Power control device and method for a mobile communication system
08/14/2002EP0986923A4 System and method for a network-based call continuation service
08/14/2002EP0962106B1 Method for preparing announcements and appropriate telecommunications network
08/14/2002EP0827664A4 Method and apparatus for informing a user of message status in a communication device
08/14/2002DE10103815A1 Verfahren zur Speicherung und Verarbeitung von Rufnummern Method for storing and processing of numbers
08/14/2002CN1364366A Communication control device and method therefor, communication device, communication system and method therefor, and providing method therefor
08/14/2002CN1364344A Communication terminal and advertising method using the same
08/14/2002CN1364271A Apparatus and method for selling license of electrical communication facility and apparatus and method for distributing capacity of electrical communication facility
08/14/2002CN1364262A Network, element management system
08/14/2002CN1364043A Mobile terminal, automatic remote controlled system and method
08/14/2002CN1364020A Automatic speech prompting method for mobile telephone
08/14/2002CN1364017A Internet telephone interface card with speech function
08/13/2002US6434528 Computer network telephony
08/13/2002US6434514 Rule based capacity management system for an inter office facility
08/13/2002US6434479 Method and system for providing information for a mobile terminal and a mobile terminal
08/13/2002US6434478 Service-rendering system, service-rendering apparatus and method, and navigation apparatus and method
08/13/2002US6434455 Vehicle component diagnostic and update system
08/13/2002US6434405 Transmitting and receiving card selectively attached to portable phone or information terminal
08/13/2002US6434402 Accessory device for handling multiple calls on multiple mobile stations
08/13/2002US6434232 Apparatus and method for measuring loop impedance
08/13/2002US6434231 Virtualized computer telephony integrated link for enhanced functionality in call centers