Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
03/2002
03/14/2002WO2001052509A3 Methods and apparatus for prefetching an audio signal using an audio web retrieval telephone system
03/14/2002WO2000054491A9 Process for screening and tracking users on a telephonic network
03/14/2002US20020032809 Method and system for coordinating data and voice communications via customer contract channel changing system using voice over IP
03/14/2002US20020031216 Subscriber loop range extension using negative-impedance repeaters
03/14/2002US20020031215 Method for interface ISDN private automatic branch exchange and local exchange
03/14/2002US20020031213 Telephone exchange system with multiple lifelines
03/14/2002US20020031207 User editable database to forward communications sent to an unified assess number to caller-specific destinations
03/14/2002US20020031145 Telecommunications apparatus, system, and method with an enhanced signal transfer point
03/14/2002US20020031115 System and method for automatically establishing a telephone call over a computer network
03/14/2002US20020031112 Method of transmitting signaling data
03/14/2002US20020031096 Dial up telephone conferencing system controlled by an online computer network
03/14/2002DE10046345A1 Data packet transmission method between mobile station and to packet-oriented communications networks provides simultaneous multi-media session and internet session
03/14/2002DE10043265A1 Method for constructing a routing table and telecommunications device for executing it assembles tariff information in the routing table after acquiring it via a telecommunications network and a connection.
03/14/2002DE10037989A1 Aktivierung und Deaktivierung von Leistungsmerkmalen Activation and deactivation of performance features
03/13/2002EP1187438A1 Apparatus for secure remote access
03/13/2002EP1186181A1 Method in an information service for a mobile phone
03/13/2002EP1186180A1 Apparatus, system and method for media independent call control
03/13/2002EP1186154A1 Combining telephony data with web pages display
03/13/2002EP1186152A1 System and method for processing telephone calls
03/13/2002EP1186144A1 Network telephony appliance and system for inter/intranet telephony
03/13/2002EP1186143A1 Quality of service based transitioning between alternate transport paths
03/13/2002CN1339928A User program design system by using net page server for special exchanger
03/13/2002CN1339901A Method for connecting special autoamtic small exchange of complex business digital net and city telephone exchanger
03/13/2002CN1339899A Exchanger with artificial customer machine
03/12/2002US6356554 Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for performing telephony and data functions using the same
03/12/2002US6356545 Internet telephone system with dynamically varying codec
03/12/2002US6356543 Controlling mobile phone system user views from the world-wide web
03/12/2002US6354748 Playing audio files at high priority
03/07/2002WO2002019732A1 Architecture for service script execution and management
03/07/2002WO2002019678A1 Routing toll-free telecommunications traffic over data networks
03/07/2002WO2002019677A1 Method and system for setting up a telephone conference call in a switched telephone network through the internet
03/07/2002WO2002019666A2 A communications terminal, a system and a method for internet/network telephony
03/07/2002WO2002019649A2 System and method for address resolution in internet protocol (ip)-based networks
03/07/2002WO2002019644A1 Firewall control for secure private networks with public voip access
03/07/2002WO2001086931A8 Method and apparatus for providing advertisement during call wait in telephone network system and telephone instrument
03/07/2002WO2001086914A8 System and method for supporting multiple voice channels
03/07/2002WO2001084859A3 Telephone call control system for the public switched telephone network
03/07/2002WO2001084341A8 System and method for inter-domain mobility management
03/07/2002WO2001058120A3 Gateway connecting calls from a telephone network to a computer network
03/07/2002US20020029178 Method for charging on-line directory assistance services
03/07/2002US20020027983 Gateway system having a redundant structure of media gateway contollers
03/07/2002US20020027978 Telephone and system for direct delivery of information
03/07/2002US20020027977 Data recording system for IP telephone communication
03/07/2002US20020027923 IP gateway apparatus
03/07/2002US20020027915 System and method for address resolution in internet protocol (IP) -based networks
03/07/2002US20020027901 Apparatus, methods and systems for anonymous communication
03/07/2002DE10040461A1 Vermittlungssteuerung in einem privaten Netz mit Telekommunikationsanlagen Switching control in a private network with telecommunications systems
03/07/2002DE10040444A1 Data conversion method for signaling protocols in telecommunications networks by converting via protocol-neutral data
03/07/2002CA2445403A1 Firewall control for secure private networks with public voip access
03/06/2002EP1185069A2 Method and system for providing anonymity in an IP telephony network
03/06/2002EP1185035A1 System for discovering H.323 gatekeepers in data networks
03/06/2002EP1185015A2 Method of managing time-slot interchange in transoceanic MS-spring networks
03/06/2002EP1183878A1 Method for administering supplementary services in telecommunications devices
03/06/2002EP1183851A1 System and method for multi-stage data logging
03/06/2002CN1339208A Methods for implementing talkgroup cell with competing sources in multicast IP network
03/05/2002US6353660 Voice call processing methods
03/05/2002US6353611 Call waiting feature for a telephone line connected to the internet
03/05/2002US6353610 Method and system for call signaling in telephone calls over a packet-switched network
03/05/2002US6353607 IP base GSM inter-MSC handover
03/05/2002US6353595 Method and configuration for the network-wide analysis of connections in telecommunications networks
03/05/2002CA2251581C Method and apparatus for providing calling party control
02/2002
02/28/2002WO2002017610A1 Information transmission web system enabling two-way speech telephone call
02/28/2002WO2002017609A2 System and method for establishing long distance call connections using a desktop application
02/28/2002WO2002017607A1 Group communication system
02/28/2002WO2002017038A2 System for media gateway to media gateway address information exchange
02/28/2002WO2002017036A2 Method and apparatus for monitoring and processing voice over internet protocol packets
02/28/2002WO2001086930A3 System and method of minimizing the number of voice transcodings during a conference call in a packet-switched network
02/28/2002WO2001086872A3 Method of filtering responses to a multicast request message
02/28/2002WO2001076276A3 Telecommunications network integrating cellular, packet-switched, and voice-over-ip infrastructures
02/28/2002WO2001061983A3 Voice architecture for transmission over a shared, contention based medium
02/28/2002WO2001061924A3 Cable modem system and method for specialized data transfer
02/28/2002US20020026579 On-line directory assistance system
02/28/2002US20020026515 Data network
02/28/2002US20020024961 Method of managing time-slot interchange in transoceanic MS-SPRING networks
02/28/2002US20020024947 Communications availability
02/28/2002US20020024945 Wan-based gateway
02/28/2002US20020024943 Internet protocol based wireless call processing
02/28/2002DE10040301A1 Intelligenter Kontakt Manager Intelligent Contact Manager
02/28/2002DE10031897A1 Call number storage and management method involves addressing respective storage area of call number database to connect calling and called subscribers over service switching node
02/28/2002CA2420245A1 System and method for establishing long distance call connections using a desktop application
02/28/2002CA2356238A1 Method of managing time-slot interchange in transoceanic ms-spring networks
02/28/2002CA2352911A1 Method and system for providing anonymity in an ip telephony network
02/27/2002EP1182855A2 Method and device for establishing a connection
02/27/2002EP1181805A1 Method and apparatus for integrated voice gateway with interface to mobile telephone, ip telephone and un-pbx systems
02/27/2002EP1181804A1 A method and system adapted to permit subscribers to personalise value added services
02/27/2002EP1181793A1 Telecommunications system
02/27/2002CN1338185A Concurrent IP based voice and data services via wireless networks
02/27/2002CN1338177A Communications network and method for directly routing calls to mobile subscribers using an internet protocol network
02/27/2002CN1080058C Method and apparatus for controlling calling-jam in signaling network of public channel signaling system
02/26/2002US6351773 Methods for restricting access of network devices to subscription services in a data-over-cable system
02/26/2002US6351762 Method and system for log-in-based video and multimedia calls
02/26/2002US6351679 Voice announcement management system
02/26/2002US6351523 Method and apparatus for management of EMail originated by thin client devices
02/26/2002US6351464 Virtual second line hybrid network communication system
02/26/2002US6350066 Systems and methods for storing, delivering, and managing messages
02/26/2002CA2254393C Method and apparatus for providing calling number identification alias in a communications system
02/21/2002WO2002015551A1 System and method for unified messaging in inter/intranet telephony
02/21/2002WO2002015549A2 System and method for call transfer in packet switched local area networks
02/21/2002WO2002015548A2 Mobile internet protocol voice system
02/21/2002WO2002015547A1 Call distribution in distributed call centers