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