Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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05/19/2004 | CN1498372A Pool-based resource management in data network |
05/19/2004 | CN1498368A System, method and apparatus that employ virtual private networks to resist IPQoS denial of service attacks |
05/19/2004 | CN1497931A System and method of copying and transmitting telephone talking |
05/19/2004 | CN1497906A System and method for generating ringbace tone |
05/19/2004 | CN1497905A Wide area network connecting device and method |
05/19/2004 | CN1497903A Method and system for submitting control and monitoring function for telecommunication exchange area |
05/18/2004 | US6738981 General access system |
05/18/2004 | US6738824 Dial-out link selection via static route redistribution |
05/18/2004 | US6738803 Proxy browser providing voice enabled web application audio control for telephony devices |
05/18/2004 | US6738473 Call queuing |
05/18/2004 | US6738470 Distributed gateway system for telephone communications |
05/18/2004 | US6738469 Method and system for performing dialling of a telephone number supplied from a data store |
05/18/2004 | US6738462 Unified communications automated personal name addressing |
05/18/2004 | US6738390 SIP-H.323 gateway implementation to integrate SIP agents into the H.323 system |
05/18/2004 | US6738357 Method and apparatus for multiple media digital communication system |
05/18/2004 | US6738353 System and method for monitoring a packet network |
05/18/2004 | CA2321697C Internet and telephony based messaging system |
05/18/2004 | CA2157895C Interactive system for telephone and video communication including capabilities for remote monitoring |
05/13/2004 | WO2004032456A3 Telephone set, multimedia terminal and server |
05/13/2004 | WO2002051172A3 Method and apparatus for using the voice over internet protocol to handoff call connections |
05/13/2004 | WO2002021747A3 Fail-over circuit for voice-enabled switch |
05/13/2004 | US20040091089 Network telephone system and methods therefor |
05/13/2004 | US20040090990 Translation of Identifiers of user Installation Terminal in a Packet Network |
05/13/2004 | US20040090986 Concentrator for speech telephones and method of communication over LAN using same |
05/13/2004 | US20040090952 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
05/13/2004 | DE10245547B3 Verfahren zum Aufbau einer VoIP-Telefonverbindung in einem gesicherten Netzwerk sowie Schaltungsanordnung A method for establishing a VoIP phone connection on a secure network and circuitry |
05/12/2004 | EP1418742A1 Method and apparatus for evaluating the perceived quality of a voice signal received through a packet communication network |
05/12/2004 | EP1418741A2 Method and apparatus for providing real-time communication center statistical data to a third-party application over a data network |
05/12/2004 | EP1418729A2 Method and arrangement of communicating between a connection-oriented communications network and several VoIP network domains |
05/12/2004 | EP1232640A4 Virtual pbx system |
05/12/2004 | EP1099146A4 Methods and systems for accessing information from an information source |
05/12/2004 | EP1060592A4 Teleconferencing method and apparatus with three-dimensional sound positioning |
05/12/2004 | EP0962029B1 Communicating between stations |
05/12/2004 | CN1496650A Method for operating communication system |
05/12/2004 | CN1496642A Firewall with index to access rule |
05/12/2004 | CN1496152A Method and system for using public or special network |
05/12/2004 | CN1149868C User program disign system by using net page server for special small exchanger |
05/12/2004 | CN1149790C Speech system using speech-carrying protocol of interconnected network protocol as basis |
05/12/2004 | CN1149521C Method and apparatus for call distribution and override with priority |
05/11/2004 | US6735621 Method and apparatus for messaging between disparate networks |
05/11/2004 | US6735298 Call and data correspondence in a call-in center employing virtual restructuring for computer telephony integrated functionality |
05/11/2004 | US6735297 System for maintaining PBX license key information in the event of a hardware failure reducing MTTR |
05/11/2004 | US6735291 Virtual private switched telephone network |
05/11/2004 | US6735288 Voice over IP voice mail system configured for placing an outgoing call and returning subscriber to mailbox after call completion |
05/11/2004 | US6735287 Method and system for multimodal presence detection |
05/11/2004 | US6735213 Processing of telephony samples |
05/11/2004 | US6735208 LAN telephone system |
05/11/2004 | US6735194 Digital private signaling system over internet protocol |
05/11/2004 | US6735193 Method and apparatus for suppression of packets during silence periods in a packet telephony system |
05/11/2004 | US6735175 Changing quality of service for voice over IP calls |
05/06/2004 | WO2004039048A2 Status messaging using associated phone tags |
05/06/2004 | WO2004039037A1 Two-way communication system, communication instrument, and communication control method |
05/06/2004 | WO2004039029A1 A voice calling handling method using dynamic home agency technology at the whole ip framework |
05/06/2004 | WO2004017584B1 Contact center architecture |
05/06/2004 | WO2004017161A3 High availability voip subsystem |
05/06/2004 | WO2004006616A3 Methods and apparatus for data communication |
05/06/2004 | WO2004002116A3 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery |
05/06/2004 | WO2003098849A3 End user control of a teleconferencing network through a data network |
05/06/2004 | US20040088424 SIP-based load balancing apparatus and method |
05/06/2004 | US20040086102 Systems and methods for implementing call pickup in a SIP environment |
05/06/2004 | US20040086100 Call completion via instant communications client |
05/06/2004 | US20040086094 Method of providing personal event notification during call setup |
05/06/2004 | US20040085985 Network device architecture and associated methods |
05/06/2004 | US20040085361 Method and system for control system software |
05/06/2004 | EP1416704A1 Talking apparatus adaptor; circuit connection method; circuit connection program; and recorded medium |
05/06/2004 | EP1416696A1 Multimedia communication system using presence and priority information to determine communication media availability |
05/06/2004 | EP1416670A1 IP-continuity test (IP-COT) |
05/06/2004 | EP1415447A1 Method and apparatus for practicing ip telephony from an internet-capable radio |
05/06/2004 | EP1415434A2 Emulation of phone extensions in a packet telephony distribution system |
05/06/2004 | EP1415415A1 System and method for paging for voice over ip |
05/06/2004 | EP1320998B1 Call looping prevention |
05/06/2004 | EP1155535A4 Methods for implementing a talkgroup call with competing sources in a multicast ip network |
05/05/2004 | CN1494303A Method of subscriber short number transfer in centralized business exchangers between switching offices |
05/05/2004 | CN1494261A 多媒体通信系统 Multimedia Communication System |
05/04/2004 | US6732177 Intelligent signaling scheme for computer-readable medium for H.323 mobility architecture |
05/04/2004 | US6732156 System for routing electronic mails |
05/04/2004 | US6732143 Method and system for integrating telephone voice communications into a client-server architecture |
05/04/2004 | US6731744 Call processing system and service control point for handling calls to a call center |
05/04/2004 | US6731743 AIN query redirection |
05/04/2004 | US6731738 Call tones in communication networks |
05/04/2004 | US6731735 URL-based dialing for voice telephone calls |
05/04/2004 | US6731680 Method of changing from a first transmission path and/or transmission mode to a second transmission path and/or transmission mode |
05/04/2004 | US6731642 Internet telephony using network address translation |
05/04/2004 | US6731630 Flexible dial plan for a data network telephony system |
05/04/2004 | US6731626 Telephony intelligence in a data packet network |
05/04/2004 | US6731625 System, method and article of manufacture for a call back architecture in a hybrid network with support for internet telephony |
05/04/2004 | US6731609 Telephony system for conducting multimedia telephonic conferences over a packet-based network |
05/04/2004 | US6729854 Hydraulic pump manifold |
04/29/2004 | WO2004036888A1 Call routing system and method with rule modifying ability |
04/29/2004 | WO2004036878A2 A system and method for efficient call management for directory assistance services |
04/29/2004 | WO2004036830A1 Method for the automatic configuration of an ip telephony device and/or data, system and device implementing same |
04/29/2004 | WO2004028066A3 Methods and systems for locating redundant telephony call processing hosts in geographically separate locations |
04/29/2004 | US20040083493 Transmitting caller ID within a digital stream |
04/29/2004 | US20040083282 Multimedia communication system |
04/29/2004 | US20040083281 Method and apparatus for providing real-time communication center reporting data to third-party applications over a data network |
04/29/2004 | US20040082320 Directory assistance method and apparatus |
04/29/2004 | US20040081307 IP network system and H.323 gatekeeper |
04/29/2004 | US20040081304 System and method of generating ring back tone |
04/29/2004 | US20040081295 System and method for copying and transmitting telephony conversations |
04/29/2004 | US20040081290 Method of providing 911 service to a private branch exchange |