Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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05/23/2012 | CN101232503B Resource allocation method and resource release method |
05/23/2012 | CN101212521B Method for implementing hotline service in IP multimedia subsystem |
05/23/2012 | CN101188728B Display apparatus having video call function, method thereof, and video call system |
05/23/2012 | CN101160983B Data flow processing method, device and system |
05/22/2012 | US8185636 Intelligent end user devices for clearinghouse services in an internet telephony system |
05/22/2012 | US8185119 Method and system for extended network access notification via a broadband access gateway |
05/22/2012 | US8184799 Call setup request confirmation |
05/22/2012 | US8184798 Methods, systems and computer program products for accessing number portability (NP) and E.164 number (ENUM) data using a common NP/ENUM data locator structure |
05/22/2012 | US8184624 Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for performing telephony and data functions using the same |
05/22/2012 | US8184614 System and method for automatic voice over IP endpoint configuration |
05/18/2012 | WO2012064424A1 Re-routing calls from mobile stations to a non-local number |
05/17/2012 | US20120120878 Communications terminal, a system and a method for internet/network telephony |
05/17/2012 | US20120120853 Tandem Access Controller Within The Public Switched Telephone Network |
05/16/2012 | EP2453640A2 Multi-layer stack platform for cloud communications |
05/16/2012 | EP2453638A1 location based routing of VoIP emergency calls |
05/16/2012 | EP2452471A2 Communication mode swapping for telecommunications devices |
05/16/2012 | EP1807986B1 Enabling a packet-based communication client as a mobile terminal |
05/16/2012 | CN102457945A Customer premise equipment and power-saving method for same |
05/16/2012 | CN102457783A 广电三网融合管控系统及方法 Radio and TV triple play control system and method |
05/16/2012 | CN102457629A 基于因特网电视的机顶盒中的遥控器型无线电话服务系统 Internet TV set-top boxes based on the remote control wireless telephone service system |
05/16/2012 | CN102457628A 一种因特网协议电话的呼叫方法、系统和语音服务器 Method for IP phone call, the system and a voice server |
05/16/2012 | CN102457627A Internet phone and information sharing method of same |
05/16/2012 | CN102457626A 一种tnetv1700的高分辨率ip电话装置 High resolution of ip telephone apparatus tnetv1700 |
05/16/2012 | CN102457620A 可由电脑连线控制的电话机 By computer-controlled telephone connection |
05/16/2012 | CN102457494A 一种基于sip信令提高监听成功率的方法和装置 A method and apparatus for improving listener based sip signaling success rate |
05/15/2012 | US8180041 One number, intelligent call processing system |
05/15/2012 | US8180040 Corporation switchboard platform and call processing method |
05/15/2012 | US8180039 Methods, systems, and computer program products for routing calls based on the originating network |
05/15/2012 | US8179885 Methods, systems, and computer program products for organizing, managing, and selectively distributing routing information in a signaling message routing node |
05/15/2012 | CA2502119C Telephone system |
05/10/2012 | US20120113981 Providing real-time voice communication between devices connected to an internet protocol network and devices connected to a public switched telephone network |
05/10/2012 | US20120113980 Computer, internet and telecommunications based network |
05/09/2012 | EP1344424B1 Device for the packet-based access of classical isdn/pstn subscribers to a switching system |
05/09/2012 | CN102447794A Equipment with functions of voice over Internet protocol (VOIP) and power line communication (PLC) |
05/09/2012 | CN102447793A Method for realizing voice over internet phone (VOIP) and mobile communication system |
05/09/2012 | CN102447792A Control use method for VOIP (Voice of Internet Phone) and application program of control use method |
05/09/2012 | CN102447790A Engaged line reminding system and method for remote telephones |
05/09/2012 | CN102447764A Telephone apparatus having temperature detection function and method thereof, and sensor system and method thereof |
05/09/2012 | CN102447687A Packet interference check and test system |
05/09/2012 | CN101834962B Interior wiring interior line user calling method based on IPPBX and calling system |
05/08/2012 | USRE43361 Telecommunications system having separate switch intelligence and switch fabric |
05/08/2012 | US8175904 Method and apparatus for intermediation of meetings and calls |
05/08/2012 | US8175262 Per tone coprocessor architecture |
05/08/2012 | US8175251 Method and system to bypass ENUM to reach a callee via a PSTN or a PLMN |
05/08/2012 | US8175250 Dialed number service routing in a telephone network by reference to a database |
05/08/2012 | US8175240 Tandem access controller within the public switched telephone network |
05/08/2012 | US8175230 Method and apparatus for automatically building conversational systems |
05/08/2012 | US8175097 Embedding a session description message in a real-time control protocol (RTCP) message |
05/08/2012 | US8175083 Method for transmitting data in a telecommunications network and switch for implementing said method |
05/08/2012 | US8175082 Technique for communicating information over a broadband communications network |
05/08/2012 | US8175081 Method and system of screening and control of telephone calls while using a packet-switched data network |
05/08/2012 | US8175040 Random access request extension for an additional resource request |
05/08/2012 | US8174981 Late frame recovery method |
05/08/2012 | US8174956 Systems and method for orthogonal frequency divisional multiplexing |
05/08/2012 | CA2476277C A method and an apparatus for adding a new member to an active group call in a group communication network |
05/03/2012 | WO2012057943A1 Systems and methods for integrating information from voice over internet protocol systems and social networking systems |
05/02/2012 | EP2448229A2 Data and call routing and forwarding |
05/02/2012 | EP2448214A1 Policy engine |
05/02/2012 | EP1222807B1 Method of and system for providing intelligent network control services in ip telephony |
05/02/2012 | CN202210826U ADSL (asymmetric digital subscriber line) accelerator |
05/02/2012 | CN1764217B System for distributing VXML capabilities for execution on client devices |
05/02/2012 | CN102438088A Internet telephone method in a plurality of social identity environments |
05/02/2012 | CN102438087A Wireless communication terminal and method for realizing CS voice |
05/02/2012 | CN102438086A Intelligent voice system in converged communication and realization method |
05/02/2012 | CN102438085A Switch and method for same to search extension telephone |
05/02/2012 | CN102438081A Method and mobile terminal device for automatically dialing internet protocol (IP) toll number |
05/02/2012 | CN102438006A System and method for mixing program-controlled switch dispatching desk and soft switch dispatching desk |
05/02/2012 | CN101854444B Visible dispatching system and dispatching method |
05/02/2012 | CN101668097B Escaping method for IP telephone set and communication device |
05/01/2012 | US8171305 Method for authorizing a telephone transaction and local node |
05/01/2012 | US8170187 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery |
05/01/2012 | US8170008 Method and apparatus for accessing communication data relevant to a target entity identified by a number string |
05/01/2012 | US8169937 Managing a packet switched conference call |
05/01/2012 | CA2525471C Private telephone network connected to more than one public network |
05/01/2012 | CA2507095C Methods and systems for line management |
05/01/2012 | CA2472985C Address hopping of packet-based communications |
04/26/2012 | WO2012054012A1 VoIP MULTIMEDIA TERMINAL ADAPTER SYSTEMS AND METHODS |
04/26/2012 | WO2012052710A1 Concurrent voice and data communication |
04/26/2012 | WO2012052706A1 Concurrent voice and data communication |
04/25/2012 | EP2443815A1 Distributed record server architecture for recording call sessions over a voip network |
04/25/2012 | EP1266526B1 Method for scheduling upstream communications |
04/25/2012 | EP1053608B1 Device and method for communicating packet voice data in mobile communication system |
04/25/2012 | CN1751493B Conversational bearer negotiation |
04/25/2012 | CN1640109B Method of mapping names or identifiers to telecommunications network resource locations |
04/25/2012 | CN102427455A Network telephone conference intercommunication method, server and system thereof |
04/25/2012 | CN102427454A Conference intercommunication method, server and system |
04/25/2012 | CN102427453A Information intercommunication method, server and system for community network teleconference |
04/25/2012 | CN102427450A 矿用应急通信系统 Mine emergency communication system |
04/25/2012 | CN101365021B Systems and methods for connecting heterogeneous networks |
04/25/2012 | CN101088273B System and method for initiating a conference call |
04/24/2012 | USRE43324 VOIP voice interaction monitor |
04/24/2012 | US8166178 Representation, decision models, and user interface for encoding managing preferences, and performing automated decision making about the timing and modalities of interpersonal communications |
04/24/2012 | US8165283 Advanced ADSL splitter |
04/19/2012 | WO2012050548A1 Systems and methods for enabling access to emergency services |
04/19/2012 | WO2012050547A1 System and method for providing automatic determination of a call type in telephony services over a data network |
04/19/2012 | WO2012048623A1 Internet adaptor with camera |
04/19/2012 | US20120093038 System With Call Forward Profile |
04/18/2012 | CN202197381U 一种用于监控环境的网络对讲装置 Network intercom device for monitoring the environment |
04/18/2012 | CN202197342U 在用户和汽车经销商之间使用的呼叫中心系统 Call center system between the user and used car dealers |
04/18/2012 | CN202197322U 一种ip对讲话站 One kind of speech to stand ip |