| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 10/10/2013 | US20130266132 Proactive telephone number mapping configuration management |
| 10/09/2013 | CN103347004A Method for improving VBD data transmission quality |
| 10/09/2013 | CN102185989B A device and a method for combining multi-spot of a communication system into a network |
| 10/09/2013 | CN101848285B Method and device for providing IP voice exchanger service |
| 10/09/2013 | CN101800734B Session information interacting method, device and system |
| 10/09/2013 | CN101753735B Method, system and equipment for performing multimedia service processing on call |
| 10/08/2013 | US8554828 Distributed call server supporting communication sessions in a communication system and method |
| 10/08/2013 | US8554617 Systems and methods to provide alternative connections for real time communications |
| 10/08/2013 | US8554194 Method and system for providing virtual messenger service |
| 10/08/2013 | US8553869 Method for implementing RBT interworking, media gateway control function device, and application server |
| 10/08/2013 | US8553861 Managing vendor credits during load balancing |
| 10/08/2013 | US8553858 Intelligent electronic communications |
| 10/08/2013 | US8553857 Systems and methods for receiving telephone calls via instant messaging |
| 10/08/2013 | US8553681 Telephone service via packet-switched networking |
| 10/08/2013 | US8553677 Terminal to-terminal communication connection control method using IP transfer network |
| 10/03/2013 | WO2013143605A1 A method of, a system and device for initializing a communication session in a communications network |
| 10/03/2013 | US20130259220 Method, system and apparatus for implementing multimedia ring back tone service |
| 10/03/2013 | US20130259219 Method, system and apparatus for implementing multimedia ring back tone service |
| 10/03/2013 | US20130259213 Apparatus, method and system for providing new communication services over existing wiring |
| 10/03/2013 | US20130258948 Wired cellular telephone system |
| 10/02/2013 | CN103338146A Communication event notificaiton |
| 10/02/2013 | CN103338145A Method, device and system for controlling voice data transmission |
| 10/01/2013 | US8548153 Incoming and outgoing call control customization |
| 10/01/2013 | US8548152 System and method for handling toll free number telephone calls |
| 10/01/2013 | US8548151 Method for migrating from an old communication switch to a new communication switch |
| 10/01/2013 | US8548150 Location relevant directory assistance |
| 10/01/2013 | US8548142 Universal point of contact identifier system and method |
| 10/01/2013 | US8547968 Methods, apparatus and computer program products for associating local telephone numbers with emergency phone calls in a packet switched telephone systems |
| 10/01/2013 | US8547931 Conserving call logic during handoff |
| 10/01/2013 | US8547824 Systems and methods for orthogonal frequency divisional multiplexing |
| 10/01/2013 | US8547601 Facsimile to E-mail communication system |
| 09/25/2013 | EP2642734A1 Beaming To The Next Conference Or Between Concurrent Conferences |
| 09/25/2013 | CN103327089A Notification of communication event |
| 09/25/2013 | CN103327001A Line exchange user agent system, communication device, and service providing method used for them |
| 09/25/2013 | CN103326880A Genesys calling system high-availability cloud computing system and method |
| 09/25/2013 | CN102394994B Method for realizing remote simulation key control based on telephone |
| 09/25/2013 | CN102223455B VOIP (Voice Over Internet Protocol) phone monitoring system and monitoring method |
| 09/25/2013 | CN102143292B Calling method and calling devices of virtual private network |
| 09/25/2013 | CN102035759B Data sink/data source, data transmission device, data processing/data transmission apparatus and data terminal device for a circuit-switched and packet-switched network |
| 09/25/2013 | CN101998003B Call holding method for voice over internet protocol (VoIP) based on session initiation protocol (SIP) |
| 09/25/2013 | CN101521706B Exchange system and server apparatus |
| 09/24/2013 | US8543708 System and method for establishing and maintaining a connection between devices |
| 09/24/2013 | US8543704 Method and apparatus for multimodal voice and web services |
| 09/24/2013 | US8543681 Network topology discovery systems and methods |
| 09/24/2013 | US8542815 Producing routing messages for voice over IP communications |
| 09/24/2013 | US8542671 Service provider functionality with policy enforcement functional layer bound to SIP |
| 09/24/2013 | US8542660 Intelligent delivery agent for short message distribution center |
| 09/19/2013 | WO2013137986A1 Method and apparatus for wideband and super-wideband telephony |
| 09/19/2013 | WO2013136103A1 Automated system for arranging meetings between internet users |
| 09/19/2013 | US20130242979 Method of real-time voip call |
| 09/18/2013 | EP2640051A1 Packetising DTMF signals |
| 09/18/2013 | CN203206291U Mine emergency rescue communication system |
| 09/18/2013 | CN203206289U Cross-network voice community system |
| 09/18/2013 | CN103312912A Sound mixing system and method |
| 09/18/2013 | CN103312910A Command system convenient for dispatching |
| 09/18/2013 | CN103312909A Security control method based on Linux embedded platform IP (Internet protocol) phone monitoring system |
| 09/18/2013 | CN103312908A Data transmission method used for Voice VLAN (virtual local logic network) |
| 09/18/2013 | CN103312907A Voice channel distribution management method, related device and communication system |
| 09/18/2013 | CN103312731A Processing method supporting both TLS short connection and long connection, processing system supporting both TLS short connection and long connection, and equipment |
| 09/18/2013 | CN101707609B Method and apparatus for connecting packet telephony calls between secure and non-secure networks |
| 09/17/2013 | US8538005 Method and apparatus for providing user access via multiple partner carriers for international calls |
| 09/17/2013 | US8538004 Method and apparatus for relaying calls |
| 09/17/2013 | US8538003 Method and apparatus for integrating call center and existing telephony infrastructure |
| 09/17/2013 | US8537984 Voice over IP telephone recording architecture |
| 09/17/2013 | US8537821 Methods, systems, and products for emergency communications |
| 09/17/2013 | US8537806 Method and system for an Ethernet IP telephone chip |
| 09/17/2013 | US8537683 Method for estimating the quality of experience of a user in respect of audio and/or video contents distributed through telecommunications networks |
| 09/12/2013 | US20130236004 Method and System for Stereo Echo Cancellation for VOIP Communication Systems |
| 09/12/2013 | US20130235997 Method and apparatus for network maintenance and supervision of a controlled on-board audio portion |
| 09/11/2013 | CN103297635A Calling method, switchboards and telephone system |
| 09/11/2013 | CN103297634A Internet phone system |
| 09/11/2013 | CN103297633A Self-help communication service system and method based on VoIP (Voice over Internet Protocol) network |
| 09/11/2013 | CN103297632A Equipment, system and method used for VOIP (voice over Internet Protocol) voice communication |
| 09/11/2013 | CN103297631A Phonebook synchronization method and phonebook synchronization cloud server |
| 09/11/2013 | CN103297630A Method and device for playing multimedia information |
| 09/11/2013 | CN103297564A Method for automatically switching address of external proxy server |
| 09/11/2013 | CN102118517B Method for automatically testing integrated access devices of VoIP |
| 09/11/2013 | CN102098396B Method for realizing completion of call to busy subscriber for access gateway system based on media gateway control protocol |
| 09/10/2013 | US8533000 System and method for integrated customer management |
| 09/10/2013 | US8532147 Residential gateway for voice over internet protocol communications |
| 09/10/2013 | US8532096 Local exchange routing guide information maintenance system and method |
| 09/10/2013 | CA2574484C System and method for voice-mail and e-mail synchronization |
| 09/04/2013 | EP2635069A1 Method, device, and system for controlling speech encoding rate |
| 09/04/2013 | CN203181053U Multifunctional communication transmission device |
| 09/04/2013 | CN103281462A Mobile wired communication method based on position sensing |
| 09/04/2013 | CN103281309A Broadcasting system based on VOIP (voice over internet phone) |
| 09/04/2013 | CN102355540B Audio gateway digital figure designing and matching method |
| 09/04/2013 | CN102348026B 电话网络通信设备及网络切换方法 Telephone network communications equipment and network switching method |
| 09/04/2013 | CN101635722B TR-069 savepoints |
| 09/04/2013 | CN101473638B Media terminal adapter (MTA) initialization process display by use of an embedded caller name and caller identification |
| 09/03/2013 | US8526595 Auto-dialer blocking on network |
| 09/03/2013 | US8526409 Multi-interface mobility client |
| 09/03/2013 | US8526329 Hierarchical communication system providing intelligent data, program and processing migration |
| 08/29/2013 | US20130223434 Method and system for coordinating data and voice communications via customer contact channel changing system |
| 08/29/2013 | US20130223289 Operational support system |
| 08/29/2013 | US20130223231 Networked computer telephony system driven by web-based applications |
| 08/28/2013 | CN101877746B Port automatic sensing protecting circuit and electronic device using same |
| 08/28/2013 | CN101834836B Communication method, device and system based on public IP network |
| 08/28/2013 | CN101543013B 通信系统 Communication System |
| 08/27/2013 | USRE44460 Systems for synchronous multipoint-to-point orthogonal frequency division multiplexing communication |