| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 07/17/2012 | US8223752 Method for accessing service resource items that are for use in a telecommunications system |
| 07/17/2012 | US8223751 Method and apparatus for controlling unsolicited messaging |
| 07/17/2012 | US8223750 Methods, apparatus and computer program products for associating local telephone numbers with emergency phone calls in a packet switched telephone system |
| 07/17/2012 | US8223747 Predictive communication routing scheme using instant messaging preferences and/or settings for routing packet traffic for voice, video and other multimedia communications |
| 07/12/2012 | WO2012093379A1 Networking between voip -and pstn- calls |
| 07/12/2012 | WO2012092870A1 Proxy method, device and system for voip service |
| 07/12/2012 | US20120177195 Voice over data telecommunications network architecture |
| 07/12/2012 | US20120176943 System architecture for linking packet-switched and circuit-switched clients |
| 07/12/2012 | CA2823911A1 Networking between voip -and pstn- calls |
| 07/11/2012 | EP2475151A1 Establishing a Connection |
| 07/11/2012 | EP2474153A1 Automatic termination path configuration |
| 07/11/2012 | CN202334683U 一种通信系统 A communication system |
| 07/11/2012 | CN1976347B Communication session admission control systems and methods |
| 07/11/2012 | CN102577281A Method and device for calling route of IP PBX |
| 07/11/2012 | CN102572146A Method for communication between session initiation protocol (SIP) client and mobile phone in voice over Internet protocol (VoIP) system |
| 07/11/2012 | CN102572145A Multimodal telephone calls |
| 07/11/2012 | CN102572144A Anti-interference method for fax over IP (internet protocol) and IPPBX (Internet Protocol Private Branch Exchange) equipment |
| 07/11/2012 | CN102571995A IP address transnational language electronic map system and method |
| 07/11/2012 | CN102571856A Method, device and system for selecting transition node |
| 07/11/2012 | CN102571722A Converged communication system and multi-protocol adaptation method suitable for same |
| 07/11/2012 | CN102571721A Identifying method for access equipment |
| 07/11/2012 | CN102571690A Multilingual multimedia advertisement system with automatic identification function |
| 07/11/2012 | CN102571378A Method and system for fixed network terminal configuration management based on user side |
| 07/11/2012 | CN102567321A Domain name access and search method based on voice recognition |
| 07/11/2012 | CN101873392B VoIP-based calling method, system and device |
| 07/11/2012 | CN101610330B Method, system and dialer for realizing connection of remote control network |
| 07/11/2012 | CN101605075B IP telephone fault alarming method and apparatus based on SIP |
| 07/11/2012 | CN101431576B Synthetic voice resource processing board card |
| 07/10/2012 | US8218756 User-controllable equalization for telephony |
| 07/10/2012 | US8218740 Method for providing hysteresis to fluctuating signaling ink |
| 07/10/2012 | US8218735 Messaging advise in presence-aware networks |
| 07/10/2012 | US8218733 Telephone emergency response systems and methods |
| 07/10/2012 | US8218569 Apparatus and method for terminating service emulation instances |
| 07/10/2012 | US8218527 Personal IP toll-free number |
| 07/10/2012 | US8218457 Apparatus and method for providing communication services using multiple signaling protocols |
| 07/05/2012 | US20120173537 One number, intelligent call processing system |
| 07/04/2012 | EP2471249A1 Systems and methods for customer contact |
| 07/04/2012 | CN202309980U 无线录井仪 Wireless logging instrument |
| 07/04/2012 | CN202309848U 一种便携式多人无线语音通信装置 A portable multiplayer wireless voice communication device |
| 07/04/2012 | CN202309843U 智能环网呼叫装置 Smart Ring call device |
| 07/04/2012 | CN202309842U OCS (Office Communications Server) voice gateway |
| 07/04/2012 | CN202309841U 一种固定通信智能网络通信装置 A fixed-communication intelligent network communication device |
| 07/04/2012 | CN202309840U 一种基于低码流的VoIP语音网关及语音网关系统 VoIP voice gateways based on low stream and voice gateway system |
| 07/04/2012 | CN1523868B Network phone system and method having dynamic gain control function |
| 07/04/2012 | CN102547000A Method and equipment for controlling calling of users |
| 07/04/2012 | CN102546999A Method, control device and system for reducing device power consumption based on business model |
| 07/04/2012 | CN102546998A Communication method fusing voice over Internet phone (VoIP) technology with telecommunication network voice call technology |
| 07/04/2012 | CN102546997A Management method for application modules and network multi-media device |
| 07/04/2012 | CN102546996A Method for realizing bit-by-bit receiving and transmitting of called number under SIP (Session Initiation Protocol) |
| 07/04/2012 | CN102546990A VOIP phone readiness alerting |
| 07/04/2012 | CN102546662A Method and device for branching call under gateway mode |
| 07/04/2012 | CN102546621A System and method for VOIP honeypot for converged VOIP services |
| 07/04/2012 | CN102546586A Approach and system for facilitating context delivery during communication sessions |
| 07/04/2012 | CN102546566A Method for transmitting control instruction by utilizing session initialization protocol |
| 07/04/2012 | CN102044247B Objective evaluation method for VoIP speech |
| 07/04/2012 | CN101945006B Detection method of abnormal call |
| 07/04/2012 | CN101909124B Network telephone |
| 07/04/2012 | CN101764898B Shortcut dialling method, client and system |
| 07/04/2012 | CN101631296B Method and system for playing ring media of IP multimedia subsystem |
| 07/04/2012 | CN101610326B Method and system for simultaneously supporting voice and IP communication on E1 circuit |
| 07/04/2012 | CN101594385B Method for ordering IP speech packets |
| 07/04/2012 | CN101588341B Lost frame hiding method and device thereof |
| 07/04/2012 | CN101543117B Handoff of dual mode mobile device between an IP network and a PLMN |
| 07/04/2012 | CN101521674B H248 protocol calling synthetic method |
| 07/03/2012 | US8213594 Method and apparatus for placing a long distance call based on a virtual phone number |
| 07/03/2012 | US8213593 Methods, systems, and computer program products for processing a nature of address indicator and/or calling party number to support telecommunication features |
| 07/03/2012 | US8213581 Apparatus and methods for telecommunication authentication |
| 07/03/2012 | US8213442 Screening inbound calls in a packet-based communications network |
| 07/03/2012 | US8213410 Methods and systems for communicating SS7 messages over packet-based network using transport adapter layer interface |
| 07/03/2012 | US8213399 System for multiple use subchannels |
| 07/03/2012 | US8213398 Method for multiple use subchannels |
| 07/03/2012 | US8213299 Methods and systems for locating redundant telephony call processing hosts in geographically separate locations |
| 07/03/2012 | CA2617783C Voip emergency call support |
| 06/28/2012 | WO2012084257A1 Computer telephony integration with connection of the computer via a presence server |
| 06/28/2012 | US20120164987 Methods and systems for instant voice messaging and instant voice message retrieval |
| 06/27/2012 | EP2469822A1 Computer-Telephone-Integration whereby the computers are connected via a presence server |
| 06/27/2012 | EP2469821A1 Method for automatic start-up of a communication terminal for speech communication on a communication terminal for text communication |
| 06/27/2012 | EP2469428A2 Mining data for services |
| 06/27/2012 | EP2467998A1 Midcall fallback for voice over internet protocol (voip) calls |
| 06/27/2012 | EP1952652B1 Network-based system for rerouting phone calls from phone networks to voip clients for roamers and subscribers who do not answer |
| 06/27/2012 | CN1997083B Network system and selection method of call route |
| 06/27/2012 | CN102523358A Call center communication access system based on concentrated voice access NGN (Next Generation Network) soft switch network |
| 06/27/2012 | CN102523228A Method and device for transmitting Internet protocol (IP) secure voice and based on public switched telephone network (PSTN) access |
| 06/27/2012 | CN102523203A Method, device and system for voice call |
| 06/27/2012 | CN101459510B Implementation method and device for real-time transmission data encryption algorithm |
| 06/27/2012 | CN101316291B Method for portable fixed line |
| 06/27/2012 | CN101083695B Voice over internet protocol system and related wireless local area network device |
| 06/27/2012 | CN101047752B Ip电话系统 Ip Phone System |
| 06/26/2012 | US8208904 System and method of exchanging identification information for mobile stations |
| 06/26/2012 | US8208367 Method for providing dumps in a distributed environment of a telecommunication network |
| 06/26/2012 | US8207998 Commercial product routing system with video vending capability |
| 06/26/2012 | CA2507127C Methods and systems for call management with user intervention |
| 06/21/2012 | WO2012080731A1 Simultaneous voice and data communication in a mobile device |
| 06/21/2012 | WO2012079379A1 Method and system for configuring and managing fixed network terminals |
| 06/21/2012 | US20120155629 Systems and Methods for Implementing a Hold-Call-Back Feature in a Telecommunications Network |
| 06/21/2012 | US20120155628 Least cost call routing |
| 06/21/2012 | US20120155627 Method And Apparatus For Traffic Regulation In A Communication Network |
| 06/20/2012 | EP2466819A1 Implementation method and system of call forwarding service for access gateway control function users |
| 06/20/2012 | EP1080552B1 Noise reduction techniques and apparatus for enhancing wireless data network telephony |
| 06/20/2012 | EP1021909B1 Method and apparatus for automatic network connection between a small business and a client |