Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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04/09/2009 | CA2699310A1 Inbound call identification and management |
04/08/2009 | EP2046010A2 IP telephone system and method for controlling the same |
04/08/2009 | EP2044730A2 System and method for establishing a communication session between two endpoints that do not both support secure media |
04/08/2009 | EP1771999A4 Voice over ip based biometric authentication |
04/08/2009 | CN101405989A Method and apparatus for limiting VPNv4 prefixes per VPN in an inter-autonomous system environment |
04/08/2009 | CN101404704A Calling method for VoIP terminals in the same network segment, and VoIP terminal |
04/08/2009 | CN101404703A Voice gateway and method for implementing voice gateway telemanagement |
04/08/2009 | CN101404702A Call limitation method and apparatus |
04/08/2009 | CN101404701A VOIP calling method and equipment |
04/08/2009 | CN101404700A Justice integrated service audio signal system |
04/08/2009 | CN101404683A Ip telephone system and computer readable storage medium |
04/08/2009 | CN101404674A Call routing method, proxy server and relay device |
04/08/2009 | CN101404536A Multifunctional satellite communication apparatus |
04/08/2009 | CN100477840C Method and system for connecting user equipment to a communications network |
04/08/2009 | CN100477703C Fault isolation mechanisms for POTS emulation service on an FTTx platform |
04/08/2009 | CN100477702C In-band signaling for routing selection |
04/08/2009 | CN100477701C System and method for controlling a wireless packet switched voice call |
04/07/2009 | US7516410 Method and system for supporting communications within a virtual team environment |
04/07/2009 | US7516231 Subscriber-side unit arrangement for data transfer services and associated components |
04/07/2009 | US7515936 Mobile terminal device alone and in communication system |
04/07/2009 | US7515905 Method and system for remote call forwarding of telephone calls from an IP connection |
04/07/2009 | US7515701 Method and apparatus for screening calls from a telephony device |
04/07/2009 | US7515583 Method and apparatus for providing a configurable quality of service threshold for voice over internet protocol |
04/07/2009 | CA2403629C Method and system for establishing a communication between a first and a second communication entity |
04/02/2009 | WO2009040230A1 Dynamic transcoder placement |
04/02/2009 | WO2009040143A2 Controlling quality of video data by a user |
04/02/2009 | WO2005112416A3 System and method for call routing and enabling interaction between callers with calls positioned in a queue |
04/02/2009 | US20090089451 System and Apparatus for Pre-Routing Network Events |
04/02/2009 | US20090086956 System and method for throttling mass notifications |
04/02/2009 | US20090086955 Method and apparatus for conducting analog communication over a data cable |
04/02/2009 | US20090086954 Method and apparatus for selecting a network for telecommunication |
04/02/2009 | CA2698443A1 Dynamic transcoder placement |
04/01/2009 | EP2043375A1 Capability negotiation in a telecommunications network |
04/01/2009 | EP2043347A1 Method of providing an improved call forwarding service |
04/01/2009 | EP2043344A2 Method and apparatus for decentralizing operator workstations of telephone exchanges by means of IP networks |
04/01/2009 | EP2043339A1 Method, device and system implementing multimedia redording |
04/01/2009 | CN101401383A Message routing in the IP multimedia subsystem |
04/01/2009 | CN101399888A Network system for processing VoIP service and information synchronization method thereof |
04/01/2009 | CN101399887A Voice communication method implemented through network |
04/01/2009 | CN101399868A Multifunctional telephone device for IP voice communication |
04/01/2009 | CN101399849A Communication apparatus and terminal registration method for use in communication system |
04/01/2009 | CN101399828A System and method for implementing video customized ring back tone and multimedia call |
04/01/2009 | CN101399569A Method and system for using mobile terminal as input device of computer |
04/01/2009 | CN101399568A Device for using mobile terminal as input output device of computer, system and method thereof |
04/01/2009 | CN100474956C Method and system for providing access via a first network to a service of a second network |
04/01/2009 | CN100474871C Signal transmission channel detection method and calling control system |
04/01/2009 | CN100474869C Transmission channel detecting method and calling control system |
04/01/2009 | CN100474807C Method and device for realizing media gateway synchronization in communication system |
03/31/2009 | US7512656 Voice chat system |
03/31/2009 | US7512225 Computer-telephony integration |
03/31/2009 | US7512224 Call transfer service using service control point and service node |
03/31/2009 | US7512222 Methods and systems for automated prepaid service routing |
03/31/2009 | US7512217 System and method for communicating with instant messaging clients using a telephone |
03/31/2009 | US7512151 Providing a network node with service reference information |
03/31/2009 | US7512119 Method for establishing communication paths between access points of a communication system and a communication system using said method |
03/31/2009 | US7512114 POTS/broadband voice cross-connect system |
03/31/2009 | US7510121 Multi-level hierarchical radio-frequency communication system |
03/26/2009 | WO2009038506A1 A method and arrangement of a multimedia gateway and communication terminals |
03/26/2009 | US20090080638 Methods, systems, and computer program products for providing message flow control between applications in a telecommunications signaling message routing platform having a distributed internal processing architecture |
03/26/2009 | US20090080637 Dialing plan removal |
03/26/2009 | US20090080554 Tone allocation in multipoint-to-point communication using orthogonal frequency division multiplexing |
03/26/2009 | US20090080553 Synchronization techniques in multipoint-to-point communication using orthogonal frequency division multiplexing |
03/26/2009 | US20090080552 System for multiple use subchannels |
03/26/2009 | US20090080505 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
03/26/2009 | US20090080415 Late frame recovery method |
03/26/2009 | US20090080398 Hierarchical Communication System Providing Intelligent Data, Program and Processing Migration |
03/25/2009 | EP2040447A1 Method for establishing a communication connection and telecommunications system for implementing the method |
03/25/2009 | EP2039141A1 METHOD FOR PROVIDING AN EMERGENCY CALL SERVICE FOR VoIP SUBSCRIBERS |
03/25/2009 | EP2039138A2 Identifying network entities in a peer-to-peer network |
03/25/2009 | EP1774762A4 System and method for voice-mail and e-mail synchronization |
03/25/2009 | EP1568201A4 Methods and systems for cpn triggered collaboration |
03/25/2009 | EP1391103B1 Efficient buffer allocation for current and predicted active speakers in voice conferencing systems |
03/25/2009 | EP0931408B1 Multi-protocol telecommunications routing optimization |
03/25/2009 | CN201212993Y Multifunctional computer |
03/25/2009 | CN101394446A Application server, in-band dual tone multiple frequency signal detection method and system |
03/25/2009 | CN101394445A System and method for implementing encoding and decoding conversion function |
03/25/2009 | CN101394444A Method, system and device for releasing occupied TCP connection after calling |
03/25/2009 | CN101394436A Click dialing method, system and customer end based on fixed network |
03/25/2009 | CN101394225A Method and device for speech transmission |
03/25/2009 | CN101394224A Service frame sending method and device |
03/25/2009 | CN100473188C Voice calling handling method and system at whole IP framework |
03/25/2009 | CN100473025C Methods and systems for coordinated monitoring of network transmission events |
03/25/2009 | CN100472500C Conversational browser and conversational systems |
03/24/2009 | US7508928 System and method for voice-over-packet calling with PSTN backup |
03/24/2009 | US7508819 Internet telephone, server apparatus, calling method, and internet telephone system |
03/24/2009 | US7508818 IP telephony method and IP telephone system |
03/24/2009 | US7508777 Method and apparatus for co-socket telephony |
03/24/2009 | CA2541244C Conference calls via an intelligent call waiting interface |
03/19/2009 | US20090074174 International origin dependent customized routing of calls to toll-free numbers |
03/19/2009 | US20090074173 Local routing management in a telecommunications network |
03/19/2009 | US20090074172 Information Processing Apparatus, Telephone Exchange Apparatus and Information Writing Control Method |
03/19/2009 | US20090074163 One number, intelligent call processing system |
03/19/2009 | US20090074095 System for multi-frame alignment |
03/19/2009 | US20090074087 System for follow-up synchronization to maintain synchronization throughout transmission |
03/18/2009 | EP2036322A1 Device and method for the support of ip telephony in a consumer electronics environment |
03/18/2009 | EP2036310A2 Improved systems for providing peer-to-peer communications |
03/18/2009 | EP2036297A2 Method and apparatus for invoking multimodal interaction in a voip call |
03/18/2009 | EP2036293A2 Method and communication terminal for provision of voip |
03/18/2009 | EP1114541B1 Method and apparatus for providing integrated routing for pstn and ipnt calls in a call center |
03/18/2009 | CN101389110A Apparatus and method for implementing official call by master control board |