| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 09/13/2007 | US20070214083 Method and system for providing prepaid data service |
| 09/13/2007 | US20070211878 User interface for telephone system administration |
| 09/13/2007 | US20070211617 Variable error correction in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 09/12/2007 | EP1833235A1 Methods and system for fast session establishment between equipment using H.324 and related telecommunications protocols |
| 09/12/2007 | EP1833220A1 Queuing method to coordinate connection attempts to a server |
| 09/12/2007 | EP1833206A1 Method for distributing connection attempts to a server |
| 09/12/2007 | EP1386469B1 Alternate routing of voice communication in a packet-based network |
| 09/12/2007 | CN200947635Y Accessing device and remote controller |
| 09/12/2007 | CN101036378A Mobile connection broker |
| 09/12/2007 | CN101036377A Communications network |
| 09/12/2007 | CN101036367A Method and terminal for controlling multimedia connections |
| 09/12/2007 | CN101035305A Signal transmission method, system and device |
| 09/12/2007 | CN101035170A USB-interface based voice communication method and device |
| 09/12/2007 | CN101035167A Method for the switcher to limit the dialer use |
| 09/12/2007 | CN101035157A IP network based voice detection and control method and system |
| 09/12/2007 | CN101035092A Information processor, method, program and recording medium for storing the program |
| 09/12/2007 | CN101034960A Implementation method for remote multi-person conference and corresponding system |
| 09/11/2007 | US7269658 Method and system for connecting calls through virtual media gateways |
| 09/11/2007 | US7269567 System and method for integrated customer management |
| 09/11/2007 | US7269249 Systems and methods for providing user profile information in conjunction with an enhanced caller information system |
| 09/11/2007 | US7269247 Efficient communication through networks |
| 09/11/2007 | US7269164 Wireless adjunct to PBX system |
| 09/11/2007 | US7269161 Telephone controller for VoIP |
| 09/11/2007 | US7269142 Managing tone clamping in a network |
| 09/07/2007 | WO2007060334A8 Portable electronic entity for setting up secured voice over ip communication |
| 09/06/2007 | US20070206781 Semiconductor device |
| 09/06/2007 | US20070206775 Programmable plain old telephone line impedance matching circuits |
| 09/06/2007 | US20070206763 Prioritized call load balancing |
| 09/06/2007 | US20070206762 Multiple criteria based load balancing |
| 09/06/2007 | US20070206755 Method for automatically initiating a call |
| 09/06/2007 | US20070206750 System and Method for Monitoring Incoming Communications to a Telecommunications Device |
| 09/06/2007 | US20070206693 Adaptive modulation in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 09/06/2007 | US20070206491 Distributed control of power in multipoint-to-point orthogonal frequency division multiplexing communication |
| 09/05/2007 | EP1830549A1 Method, apparatus and system for call forwarding through internet |
| 09/05/2007 | EP1830519A1 Concentrator for speech telephones and method of communication over LAN using same |
| 09/05/2007 | EP1829416A1 Method and arrangement for seamless transition from public switched telephone network telephony to internet telephony |
| 09/05/2007 | EP1829399A1 Method for compensating delays |
| 09/05/2007 | EP1829350A1 Multi-level hosted inbound administration platform for a packet-switched telephony system |
| 09/05/2007 | EP1829333A1 Personalized calling name identification in telecommunication networks |
| 09/05/2007 | EP1723770B1 Method for establishing a call in a telecommunications network; telecommunications network; and controlling device for packet networks |
| 09/05/2007 | EP1673955B1 Avoidance of an invalid functioning of a media gateway controller or a media gateway |
| 09/05/2007 | CN101031008A xDSL circuit repeater |
| 09/05/2007 | CN101031007A Method, system and apparatus for changing over telephone by Internet |
| 09/05/2007 | CN101031006A Sink-bureau multi-service transmitting method based on IP |
| 09/05/2007 | CN101030993A Method for processing wireless telecommunication apparatus and network telephone signal |
| 09/05/2007 | CN101030973A Webpage calling system and method |
| 09/05/2007 | CN101030971A System for positioning and scheduling wireless VOIP speech GPS |
| 09/05/2007 | CN101030150A Exclusive control method in a multitask system |
| 09/04/2007 | US7266682 Method and system for transmitting data from a transmitter to a receiver and transmitter and receiver therefor |
| 09/04/2007 | US7266593 IP based service architecture |
| 09/04/2007 | US7266591 Providing content delivery during a call hold condition |
| 09/04/2007 | US7266192 Retrieval of data related to a call center |
| 09/04/2007 | US7266129 Communication line control system |
| 09/04/2007 | US7266113 Method and system for determining network capacity to implement voice over IP communications |
| 09/04/2007 | US7266111 Intelligent network and method for providing voice telephony over ATM |
| 09/04/2007 | US7266091 System and method for conferencing in inter/intranet telephony |
| 08/30/2007 | WO2007096787A2 Call establishment control for multimedia call |
| 08/30/2007 | US20070204317 Symbol alignment in multipoint-to-point orthogonal frequency division multiplexing communication |
| 08/30/2007 | US20070201670 Telephone system |
| 08/30/2007 | US20070201669 Method and system for call control |
| 08/30/2007 | US20070201628 Distributed control of power in multipoint-to-point orthogonal frequency division multiplexing communication |
| 08/30/2007 | US20070201621 System and Method for End-To-End Communications Tracing |
| 08/30/2007 | US20070201620 System and Method for End-To-End Communications Tracing |
| 08/30/2007 | US20070201573 System for variable forward error correction in a multipoint to point orthogonal frequency division multiplexing system |
| 08/30/2007 | US20070201493 VoIP Gateway Apparatus, And Method For Controlling Call-In/Call-Out in VoIP Gateway Apparatus |
| 08/30/2007 | US20070201435 Transmission Of Video Over Ip |
| 08/30/2007 | US20070201352 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
| 08/30/2007 | US20070201348 Use of identifier of remote unit for downstream signals |
| 08/30/2007 | US20070201347 Use of guard bands in multipoint-to-point orthgonal frequency division multiplexing communication |
| 08/30/2007 | US20070201346 Multipoint-to-point communication using orthgonal frequency division multiplexing and identification codes |
| 08/30/2007 | US20070201345 Distributed control of carrier frequency in multipoint-to-point orthogonal frequency division multiplexing communication |
| 08/29/2007 | EP1826996A1 A method for ensuring the service platform acquiring the information of the user terminal by multi-application protocol |
| 08/29/2007 | CN101027894A A method and apparatus for multimedia communication |
| 08/29/2007 | CN101026885A Calling authorization realizing method and system and gate keeper |
| 08/29/2007 | CN101026663A Telephone direct station selection |
| 08/29/2007 | CN101026658A Network telephone system for restoring talking after abnormal broken line and its method |
| 08/29/2007 | CN101026657A Synchronizing method capable of synchronizing telephone directory content |
| 08/29/2007 | CN101026656A Wireless exchange device capable of receiving network broadcast |
| 08/29/2007 | CN101026636A Dual-channel communication terminal and its system, communication method using said terminal and long distance control method |
| 08/29/2007 | CN100334863C System for converting text data into speech output |
| 08/29/2007 | CN100334829C Method for implementing information transmission |
| 08/29/2007 | CN100334597C Ic卡和读卡器 Ic card and reader |
| 08/28/2007 | US7263489 Detection of characteristics of human-machine interactions for dialog customization and analysis |
| 08/28/2007 | US7263094 Communication line connecting adapter and communication line connecting method |
| 08/28/2007 | US7263074 Voice activity detection based on far-end and near-end statistics |
| 08/28/2007 | CA2483240C Congestion control in an ip network |
| 08/23/2007 | WO2007095291A2 Techniques for facilitating emergency calls |
| 08/23/2007 | US20070199034 System for multi-frame alignment |
| 08/23/2007 | US20070198875 Method for trunk line duplexing protection using a hardware watchdog |
| 08/23/2007 | US20070195943 Remote PBX system and advanced communication terminals |
| 08/23/2007 | US20070195942 Systems and Methods for Providing User Profile Information in Conjunction with an Enhanced Caller Information System |
| 08/23/2007 | US20070195940 Determining Presence for Transaction Routing |
| 08/23/2007 | US20070195902 Method for variable forward error correction in a multi-point to point orthogonal frequency division multiplexing system |
| 08/23/2007 | US20070195901 Method and system for adaptive modulation |
| 08/23/2007 | US20070195749 Wireless ip telephone set |
| 08/23/2007 | US20070195689 Method and system for adaptive modulation |
| 08/23/2007 | US20070195687 Symbol alignment in multipoint-to-point orthogonal frequency division multiplexing communication |
| 08/23/2007 | CA2642456A1 Techniques for facilitating emergency calls |
| 08/22/2007 | CN101022484A Enterprise immediate communication method and system |
| 08/22/2007 | CN101022483A System device and method for realizing special calling class service |