Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
09/2006
09/14/2006WO2005029232A3 Dynamic cost network routing
09/14/2006US20060205436 Extension of a local area phone system to a wide area network
09/14/2006US20060203984 System for managing telecommunications
09/14/2006US20060203973 Method and system for multimodal presence detection
09/14/2006US20060203970 Method and apparatus for monitoring telephone status
09/14/2006US20060203969 Method and apparatus for monitoring telephone status
09/14/2006US20060203968 Method and apparatus for monitoring telephone status
09/14/2006US20060203809 Internet routing system
09/14/2006US20060203798 Telephone set, multimedia terminal and server
09/13/2006EP1701530A1 Method and System for providing a VoIP-service by making use of a MGCP controlled CPE
09/13/2006EP1700499A1 Method and communication system for automatically discovering the multmedia service capability
09/13/2006EP1700498A1 Method and communication system for automatically discovering the common multimedia service capability
09/13/2006EP1700464A1 Method and device for evaluating the quality of an audio signal and device and method for receiving the result of a quality evaluation
09/13/2006EP1700419A1 Method and device for push-to-talk service
09/13/2006EP1234410B1 Apparatus for a voice over ip (voip) telephony gateway and methods for use therein
09/13/2006EP0931402B1 Broadband telecommunications system
09/13/2006EP0917785B1 Processing device network
09/13/2006CN1832520A Adaptable communication profiles in telephone networks
09/13/2006CN1832516A Signal transmission channel detection method and calling control system
09/12/2006US7107223 Transaction sets for automated electronic ordering of telecommunications products and services
09/12/2006US7106854 XDSL system having selectable hybrid circuitry
09/12/2006US7106850 Customer communication service system
09/12/2006US7106849 Hybrid intelligent network
09/12/2006US7106844 System and method for identifying contaminated telephone numbers and correct LRN under number pooling
09/12/2006US7106836 System for converting text data into speech output
09/12/2006US7106750 System and method for interfacing a local communication device
09/12/2006US7106748 Intelligent network and method for providing voice telephony over ATM and alias addressing
09/12/2006US7106744 System and method for a guaranteed delay jitter bound when scheduling bandwidth grants for voice calls via cable network
09/12/2006US7106741 Establishing communication paths to law enforcement agencies
09/12/2006US7106726 Internet switch box, system and method for internet telephony
09/12/2006US7106725 Integration of voice and data channels
09/12/2006US7106723 Delay reduction method for telephony systems with multiple packet generators
09/12/2006US7106722 System for media gateway to media gateway address information exchange
09/12/2006CA2351375C Systems and methods for communicating messages among ss7 signaling points and internet protocol (ip) nodes using signal transfer points
09/08/2006WO2006093622A2 System and method for routing calls
09/08/2006WO2006053298A8 Data transport between a media gateway and a media server
09/07/2006US20060200569 Simultaneous visual and telephonic access to interactive information delivery
09/07/2006US20060198509 Method and system of call screening
09/07/2006US20060198508 Methods, systems, and computer program products for congestion-based routing of telecommunications signaling messages
09/07/2006US20060198507 Resource allocation method for network area and allocation program therefor, and network system
09/06/2006EP1699214A2 Universal mailbox and system for automatically delivering messages to a telecommunications device
09/06/2006EP1698153A2 System and method for initiating a conference call
09/06/2006EP1312200B1 System and method for establishing long distance call connections using a desktop application
09/06/2006CN1830198A Gateway device, audio communication system, and audio communication method
09/06/2006CN1829337A Mobile soft switching server disaster recovery method
09/06/2006CN1829265A Method and apparatus for registering multiple phone numbers associated with a frequently called party
09/06/2006CN1829264A Method and apparatus for providing an audible calling party identification for a call waiting service
09/06/2006CN1274115C Method and data processing device for establishing services using service profiles
09/05/2006US7103667 Announced session control
09/05/2006US7103333 System and method of exchanging identification information for mobile stations
09/05/2006US7103169 Communications
09/05/2006US7103167 Systems and methods for call screening
09/05/2006US7103156 Telephony voice server
09/05/2006US7103151 Telephone system and method for reliable emergency services calling
09/05/2006US7103032 Telephone controller for VoIP
09/05/2006US7103017 Techniques for implementing telephonic, fax, and/or data communications using internet protocols and satellite links
08/2006
08/31/2006WO2006089592A1 Method for maintaining sip calls in the event of hardware failure of redundant ip systems
08/31/2006WO2005036524A3 Speech synthesis
08/31/2006US20060195584 Call re-direction method for an sip telephone number of an sip client in a combined wired and packet switched network
08/31/2006US20060193461 Method and system for dynamically terminating wireless and wireline calls between carriers
08/31/2006US20060193456 System and method for obtaining equipment status data over a network
08/31/2006US20060193455 System and method for establishing a call between a calling party and a called party over a wired network
08/31/2006US20060193454 Time delay compensation device for the management of multimedia communications via an asynchronous network and a telephone network
08/31/2006US20060193331 Method for the statistical estimation of the traffic dispersion in telecommunication network
08/31/2006DE10260453B4 Generischer Nachrichtenkopf-Parser für die Unterstützung von Paketsprachlösungen, die vom Datentransportprotokoll unabhängig sind Generic header parser for the support of packet voice solutions that are independent of the data transport protocol
08/31/2006DE10235833B4 Betriebsverfahren und TK-Anlage Operating procedures and PBX
08/31/2006DE10205574B4 Verfahren und Gateway zur Konvertierung von Sprach- und/oder Videodaten zwischen einem leitungsvermittelnden und einem paketorientierten Datennetz Procedures and gateway to convert voice and / or video data between a circuit-switched and packet-oriented data network
08/30/2006EP1696650A1 System and method providing VoIP communication services
08/30/2006EP1695538A2 Mass viewer audience circuit based real time participation in interactive applications displayed live on display screens
08/30/2006EP1695524A1 Back up of network devices
08/30/2006EP1661300A4 Method of proving service for telephone call recording and system thereof
08/30/2006EP1190583B1 Short message service support over a packet-switched telephony network
08/30/2006EP0763291B1 Frequency agile broadband communications system
08/30/2006CN1826792A Integrated messaging user interface with message-based logging
08/30/2006CN1826778A System and method for providing transparency in delivering private network features
08/30/2006CN1825881A Method to reduce modem call establishment time to a telematics unit
08/30/2006CN1825878A Wireless telephone system an incoming information realtime automatic acquiring method
08/30/2006CN1825877A Method and system for implementing a computer network/internet telephone system
08/30/2006CN1825872A Dialogue type foreign language learning system and method
08/30/2006CN1825867A Transmission channel detecting method and calling control system
08/30/2006CN1272942C Present information method and system
08/30/2006CN1272935C Method for processing out-going call in gateway using IP for voice transmission
08/29/2006US7099945 Mapping control functions of a plurality of communication installations into a single logical interface
08/29/2006US7099459 Method and device for handling echo in a communication network
08/29/2006US7099455 Managing variable data through line information database (LIDB) access in a public switched telephone network (PSTN)
08/29/2006US7099454 Caller identification in a communication system
08/29/2006US7099453 Method and apparatus for enhanced call routing in a telecommunication system
08/29/2006US7099447 System and method for modifying package service subscriptions online
08/29/2006US7099446 Method for providing telephone services for commercial classes of service
08/29/2006US7099441 Method and system for providing enhanced call waiting with verification and name change service
08/29/2006US7099440 Apparatus and method for providing service for TTY and voice transmission
08/29/2006US7099310 Method and apparatus for providing voice signals to and from a telecommunications switch
08/29/2006US7099306 System and method for internet protocol telephony advertisement protocol
08/29/2006US7099304 Apparatus, methods and systems for anonymous communication
08/29/2006US7099303 Method for transmitting control information between a line-switching and a packet-switching communications network
08/29/2006US7099301 Voice over internet protocol proxy gateway
08/29/2006US7099149 Encasement for handheld computer
08/24/2006WO2006088660A2 Resilient registration with a call manager
08/24/2006WO2006088341A1 Method and device for establishing communication between mobile telephone subscribers
08/24/2006WO2006087636A1 Method and apparatuses for routing or redirecting video traffic in communications system