Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
12/2008
12/30/2008US7471951 Signaling of multi-task calls carried by a hybrid circuit/packet network
12/30/2008US7471785 Method and system for controlling outside incoming call transfer in network-connected private branch exchanges
12/30/2008US7471784 Dialed number service routing in a telephone network by reference to a database
12/30/2008US7471698 Telecommunications apparatus, system, and method with an enhanced signal transfer point
12/30/2008US7471672 IP telephone and IP telephone call method
12/30/2008US7471671 Band signal detection and presentation for IP phone
12/30/2008US7471651 Transaction control system including portable data terminal and mobile customer service station
12/25/2008US20080320101 Communication capability coupons
12/25/2008US20080317239 Systems and Arrangements for Communicating with an Automated Interactive Telecommunications Service System
12/25/2008US20080317238 DISTRIBUTED MEDIA RESOURCES IN VoIP NETWORKS FOR PROVIDING SERVICES
12/25/2008US20080317237 Network configuration and routing
12/25/2008US20080317063 Systems and Methods for Providing a Home Network Conversion Interface
12/25/2008US20080317008 Voice-over-IP Hybrid Digital Loop Carrier
12/24/2008WO2008156745A1 Method and apparatus for information conveyance for end users of a packet based communication network
12/24/2008WO2008155460A1 A method for providing a communication connection, a database of communication attributes, and a terminal or other network element using commnuciation attributes
12/24/2008EP2007165A2 Methode and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
12/24/2008EP2007105A1 Session initiation protocol adaptor
12/24/2008EP2005726A2 Method for call setup time improvement
12/24/2008EP1656789B1 Call release in communication networks
12/24/2008EP1295443B1 Method to assess the quality of a voice communication over packet networks
12/24/2008EP1257514B1 System and method for combining data bandwidth requests by a data provider for transmission of data over an asynchronous communication medium
12/24/2008EP1214813B2 Method and system for transmitting informational content data
12/24/2008EP1127429B1 Call management according to presence in a communications system operating over a computer network
12/24/2008CN201171204Y Novel embedded emulation system for marine high frequency telephone
12/24/2008CN101330715A Method and equipment for establishing call control voice signaling load-bearing controlled by CS in SR VCC
12/24/2008CN101330700A Method for scheduling ascending IP load-bearing voice service
12/24/2008CN101330670A Method, terminal and system for implementing one-key communication
12/24/2008CN101330549A Method and apparatus for intelligently downloading veneer collocation information
12/24/2008CN101330548A Method of setting up a call-back
12/24/2008CN101330547A Medium resource distributed in VoIP network for providing service
12/24/2008CN101330545A Ip telephone terminal and telephone conference system
12/24/2008CN101330498A SIP endpoint collocation in a VoIP network
12/24/2008CN101330444A Control method and apparatus for upstream data transmission of long-term evolvement system
12/24/2008CN101330408A Switching equipment and method for detecting circuit usability thereof
12/23/2008US7469384 Method and system for creating a virtual team environment
12/23/2008US7469299 Bridging user agent and a proxy server for supporting network services
12/23/2008US7469046 Telecommunications network system and method
12/23/2008US7469045 Process for presenting a user state using several pieces of communication equipment
12/23/2008US7468992 Voice and data exchange over a packet based network with DTMF
12/18/2008WO2008093164A3 Communication system and method
12/18/2008WO2007136511A3 Fast network heuristic for traffic flow prediction
12/18/2008US20080311897 Network context based policy management
12/18/2008US20080310614 Methods, Systems, and Products for Billing Calls
12/18/2008US20080310613 Advanced intelligent single telephone number routing
12/18/2008US20080310438 Methods and system for fast session establishment between equipment using H.324 and related telecommunications protocols
12/18/2008US20080310402 Communication systems and qsig communications methods
12/18/2008DE112007000380T5 Heimkommunikationsserver Home Communication Server
12/17/2008EP2003866A1 Connection device, connection method, and connection program
12/17/2008EP1269736B1 Packet-switching communication network terminal and method for operating a telecommunication system with a packet-switching communication network
12/17/2008EP1179264B1 Capability negotiation in a telecommunications network
12/17/2008CN201167368Y IP telephone gateway
12/17/2008CN101326803A Methods, systems, and computer program products for providing address translation using subsequent address information
12/17/2008CN101326802A Method and network unit for establishing connection in a second network
12/17/2008CN101326801A Method and apparatus for capturing sound during telephone conference period
12/17/2008CN101325631A Method and apparatus for implementing bag-losing hide
12/17/2008CN101325630A Network telephone system and operation method thereof
12/17/2008CN101325629A Network telephone system and operation method thereof
12/17/2008CN101325487A Method for limiting display of subscriber number in conference business notification message
12/17/2008CN101325059A Method and apparatus for transmitting and receiving encoding-decoding speech
12/17/2008CN100444654C Method and system for implementing multimedia music ringring in mobile communication network and mobile intelligent network
12/16/2008US7467412 Data transfer system, data transfer program and video server system
12/16/2008US7466815 Methods and systems for detecting and preventing signaling connection control part (SCCP) looping
12/16/2008US7466814 Switch code routing management method and system
12/16/2008US7466807 Methods, systems and computer program products for offloading prepaid status queries from a prepaid status database for unlimited in-network prepaid calls
12/16/2008US7466686 Multi-protocol agent telephone system
12/11/2008US20080304645 Server Based Conference Call Volume Management
12/11/2008US20080304634 Voice Mail Notification Using Instant Messaging
12/11/2008US20080304478 Communications Network
12/11/2008US20080304460 CELLULAR NETWORK/WLAN VoIP SERVICE INTERACTION BY HOME WIRELESS ROUTER
12/11/2008US20080304438 Method and Apparatus for Multimedia Communication
12/10/2008EP1999943A2 Method for localization and location-related connection of a mobile voice-over-ip subscriber to an emergency call station
12/10/2008EP1999942A1 Routing of telecommunications
12/10/2008EP1999915A1 Avoidance of incorrect classification of desired messages as spam-over-internet-telephony messages
12/10/2008CN101322391A 计算机电话系统 Computer telephony system
12/10/2008CN101321375A Method and server for controlling conversation switch
12/10/2008CN101321173A Method, system and device for preventing network attack
12/10/2008CN101321160A Signaling gateway, link establishing method, data transmission method, link fracture processing method
12/10/2008CN101321140A Digital relay gateway and its implementing method
12/10/2008CN100442929C Method of VoIP service channel switching control
12/09/2008US7464035 Voice control of home automation systems via telephone
12/09/2008US7463731 Apparatus and method for dual mode phone
12/09/2008US7463729 Data driven configuration of call management applications
12/09/2008US7463728 Private branch exchange
12/09/2008US7463621 Method and apparatus for network-based telephone communication without a separate call manager unit
12/09/2008US7463598 Multi-stream jitter buffer for packetized voice applications
12/09/2008CA2334972C Method and apparatus for non-disruptive addition of a new node to an inter-nodal network
12/04/2008WO2008147979A1 Systems and methods for reducing clipping in multichannel modulated optical systems
12/04/2008WO2008147977A1 Systems and methods for reducing clipping in multichannel modulated optical systems
12/04/2008WO2008030513A3 Method and system for providing an enhanced service-oriented architecture
12/04/2008WO2006118751A3 Communication system and method of routing calls to a terminating end point
12/04/2008US20080298566 Integrated Chat Client With Receiving Party Choice
12/04/2008US20080298347 Method and system for playing packetized annoucements to telephone network end office switching systems from a centralized digital recorded announcement unit
12/04/2008US20080298279 Security and support for flexible conferencing topologies spanning proxies, firewalls and gateways
12/03/2008EP1997303A2 A method for configuring remote ip phones
12/03/2008EP1997302A2 Mobile device conference calls via private branch exchange
12/03/2008EP1997301A2 Call notification with rich caller identification
12/03/2008EP1997299A2 Mobile device calls via private branch exchange
12/03/2008EP1969480A4 Method and apparatus for reliable and efficient content-based routing and query and response in a publish-subscribe network
12/03/2008EP1586214B1 System and method of exchanging identification information for mobile stations
12/03/2008EP1495601B1 Telephony services system with instant communications enhancements
1 ... 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 ... 248