| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 06/15/2011 | EP2334031A1 Establishment of point-to-point communications on IP-based networks |
| 06/15/2011 | EP1680865B1 Method and apparatus for processing data blocks during soft handover |
| 06/15/2011 | CN201869262U USB telephone |
| 06/15/2011 | CN102100057A Digital telecommunications system, program product for, and method of managing such a system |
| 06/15/2011 | CN102098397A Realization method of VoIP (Voice-over-IP) media stream trusted transmission based on Zimmermann Real-Time Transport Protocol key exchange |
| 06/15/2011 | CN102098396A Method for realizing completion of call to busy subscriber for access gateway system based on media gateway control protocol |
| 06/15/2011 | CN102098276A Method and system for establishing data services by utilizing BICC (Bearer Independent Call Control) protocol |
| 06/15/2011 | CN101494804B Wired network bidirectional reconstruction system compatible with wideband and narrowband |
| 06/15/2011 | CN101192221B Yellow page retrieving method and yellow page system |
| 06/15/2011 | CN101150522B A method and voice server for configuring office route on voice server |
| 06/15/2011 | CN101146159B Voice switching method and system |
| 06/14/2011 | US7962164 Method and system for extended network access notification via a broadband access gateway |
| 06/14/2011 | US7962143 Method and apparatus for call content interception within a communications network |
| 06/14/2011 | US7961865 Method for handling incoming calls directed to a virtual communication service subscriber via a guest PBX |
| 06/14/2011 | US7961864 Local number portability cross connect method |
| 06/14/2011 | US7961863 System and method for major trading area (MTA) routing in a telecommunications network |
| 06/14/2011 | US7961855 Voice communications apparatus |
| 06/14/2011 | US7961713 Efficient connection of ISDN private branch exchanges to a packet-switched network |
| 06/14/2011 | US7961712 System and method for supporting multiple voice channels |
| 06/14/2011 | CA2468921C Service access and conferencing system and method in a telecommunications network |
| 06/09/2011 | US20110135084 Call completion via instant communications client |
| 06/09/2011 | US20110135076 Linkage system, linkage method, computer readable recording medium storing linkage program, and exchange |
| 06/08/2011 | EP1169817B1 Edge device and method for interconnecting ss7 signaling points (sps) using edge device |
| 06/08/2011 | CN201860371U Audio gateway |
| 06/08/2011 | CN201860370U Internet protocol (IP)-based coal mine broadcasting communication and program-controlled telephone device |
| 06/08/2011 | CN201860348U Internet phone adaptor with camera |
| 06/08/2011 | CN1984199B Method for overlapped transmitting number by session initial protocol |
| 06/08/2011 | CN1956479B System and method for using mobile phones as handsets for IP softphones |
| 06/08/2011 | CN102088456A Method and system enabling real-time communications between multiple participants |
| 06/08/2011 | CN101472326B Method and terminal for implementing voice business switch between different systems |
| 06/08/2011 | CN101394446B Application server, in-band dual tone multiple frequency signal detection method and system |
| 06/07/2011 | US7957519 Private branch exchange system and method for control thereof |
| 06/07/2011 | US7957516 System and method for selecting a destination number upon receiving a dialed number from a calling party |
| 06/07/2011 | US7957368 Method and apparatus for establishing communications with a remote node on a switched network based on hypertext calling received from a packet network |
| 06/07/2011 | US7957367 IP telephone apparatus, ENUM server, and calling method via the internet |
| 06/07/2011 | US7957366 IP telephone system, IP telephone apparatus and calling method |
| 06/07/2011 | US7957265 Systems and method for orthogonal frequency divisional multiplexing |
| 06/07/2011 | CA2480509C Closed-loop command and response system for automatic communications between interacting computer systems over an audio communications channel |
| 06/03/2011 | WO2011064699A1 Method and node for routing a call which has services provided by a first and second networks |
| 06/02/2011 | US20110128914 Terminal-to-terminal communication connection control method using ip transfer network |
| 06/01/2011 | EP2328060A1 Home gateway |
| 06/01/2011 | CN102082673A Terminal service charging platform and method thereof based on Internet and telecommunication network |
| 05/31/2011 | US7953841 Monitoring an RTP data stream based on a phone call |
| 05/31/2011 | US7953218 System and method for enhanced origination services for toll free telephone calls |
| 05/31/2011 | US7953068 Exchange protocol for combinational multimedia services |
| 05/31/2011 | US7953063 System and method for suppressing silence in voice traffic over a wireless communication medium |
| 05/31/2011 | US7952995 Apparatus and method for providing VoIP service |
| 05/26/2011 | US20110125911 Simultaneous visual and telephonic access to interactive information delivery |
| 05/26/2011 | US20110122800 Provision of telephony caller id service via common instant communications clients |
| 05/25/2011 | EP2223523B1 Method and receiving unit for synchronizing a packet-oriented reception with a calculated tone signal |
| 05/25/2011 | EP1393582B1 Providing a network node with service reference information |
| 05/25/2011 | CN201846399U Wireless voice communication system for power cable tunnel |
| 05/25/2011 | CN1708975B Server processing of interactive screens for a wireless device |
| 05/25/2011 | CN102077562A Methods to route, to address and to receive a communication in a contact center, caller endpoint, communication server, document server for these methods |
| 05/25/2011 | CN102077558A Gateway device and method, and program |
| 05/25/2011 | CN102077551A Auto-configured voice over internet protocol |
| 05/25/2011 | CN102075650A Number-associated communication method, equipment and network |
| 05/25/2011 | CN102075649A Instant calling method of voice over internet protocol (VOIP) |
| 05/25/2011 | CN102075648A Servo control device and method for remote surveillance and monitoring |
| 05/25/2011 | CN102075640A Method and system for enhancing call and integrated service open gateway |
| 05/25/2011 | CN102075411A Call admission control method of Internet protocol voice and call processor |
| 05/25/2011 | CN101662552B Method, system and media gateways for realizing encrypted fax |
| 05/25/2011 | CN101355608B System and method for implementing IP conversion of color ring |
| 05/25/2011 | CN101321160B Signaling gateway, link establishing method, data transmission method, link fracture processing method |
| 05/25/2011 | CN101287279B VoIP scheduling group distributing method for wireless communication system |
| 05/25/2011 | CN101207547B System and method for implementing intercommunication of public switched telephone network and IP network |
| 05/25/2011 | CN101127712B A method for solving synchronization source identity confliction in RTP session |
| 05/25/2011 | CN101110870B Method for implementing switch hook in conversation initialized protocol |
| 05/25/2011 | CN101102610B A method for realizing user busy call forward in IMS centrally controlled service |
| 05/24/2011 | US7949125 Method and apparatus for transmitting signaling tones over a packet switched network |
| 05/24/2011 | US7949119 Telephone exchange system |
| 05/24/2011 | US7949111 Call routing method |
| 05/24/2011 | US7949105 Method and system for multimodal presence detection |
| 05/24/2011 | US7948995 Terminal-to-terminal communication connection control method using IP transfer network |
| 05/24/2011 | US7948970 Communication terminal device, communication method and electronic mail server |
| 05/24/2011 | US7948968 Network session management |
| 05/24/2011 | US7948952 Controlling services in a packet data network |
| 05/24/2011 | CA2521860C System and method of notifying unpublished subscribers of requests for contact information |
| 05/24/2011 | CA2455256C Messaging advise in presence-aware networks |
| 05/19/2011 | WO2011058166A1 Method for searching for routes in a data transmission network |
| 05/18/2011 | EP2323359A1 Convergence of circuit-switched voice and packet-based media services |
| 05/18/2011 | CN201839340U 多媒体终端 Multimedia Terminal |
| 05/18/2011 | CN201839339U Improved SDH (synchronous digital hierarchy) optical transmission system official telephone module |
| 05/18/2011 | CN1504052B Providing network node with service reference information |
| 05/18/2011 | CN102065189A Three-network integration real-time communication method, device and network |
| 05/18/2011 | CN102065188A Packet headers as a trigger for automatic activation of special-purpose softphone applications |
| 05/18/2011 | CN102065187A Method and system for providing a call answering service between a source telephone and a target telephone |
| 05/18/2011 | CN102065154A Portable optical call equipment |
| 05/18/2011 | CN102065103A Method, device and system for proxy of network voice service |
| 05/18/2011 | CN102065076A SIP (Session Initiation Protocol)-based regional ground-to-air radio station voice networking system and implementation method thereof |
| 05/18/2011 | CN102065068A Implementation method, system and equipment for emergency call |
| 05/18/2011 | CN102064997A Method and device for implementing network telephone service |
| 05/18/2011 | CN102064996A Method and device for controlling network service processing resources |
| 05/18/2011 | CN102064994A Media gateway control protocol-based voice of Internet phone traffic identification method and device |
| 05/18/2011 | CN101383879B Method for allocating connection attempt to server |
| 05/18/2011 | CN101175117B Calling method of multi-line network telephone |
| 05/18/2011 | CN101115028B Method for establishing packet switching call on dual-mode access terminal |
| 05/18/2011 | CN101072254B Method for realizing analogue loop relay glare reduction |
| 05/18/2011 | CN101014039B Network, media gateway device and internal resource management method used in same |
| 05/17/2011 | US7945592 XML based transaction detail records |