| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 04/20/2011 | CN102025847A Gateway and method for monitoring call connection state |
| 04/20/2011 | CN102025846A VoIP realization method and system |
| 04/20/2011 | CN102025839A Method and device for realizing hotline service |
| 04/20/2011 | CN102025830A Mobile terminal for three-network convergence system |
| 04/20/2011 | CN102025817A VoIP telephone recording method and user headend equipment |
| 04/20/2011 | CN102025721A Internet phone adapter with camera |
| 04/20/2011 | CN102025720A Network framework associating non-enterprise phones with enterprise users |
| 04/20/2011 | CN102025706A Method and system for registering enterprise VoIP (Voice over Internet Phone) terminal |
| 04/20/2011 | CN102025693A Method and device for reminding session |
| 04/20/2011 | CN101521948B Method, system and user terminal for establishing VoIP calling |
| 04/20/2011 | CN101483702B Call pickup method and system based on soft switch |
| 04/20/2011 | CN101448051B Voice calling method and edge device combined with virtual private network |
| 04/20/2011 | CN101355818B Transmission method, system and apparatus for internet protocol voice communication in wireless system |
| 04/20/2011 | CN101309329B Implementing method for activation and occurrence of call finishing service |
| 04/20/2011 | CN101247445B Method for reporting hook-switch event in next generation communication network |
| 04/20/2011 | CN101136954B Global calling telephone and controller and method thereof |
| 04/20/2011 | CN101051883B Service switching method and system after main voice server fault restoring |
| 04/20/2011 | CN101022483B System, device and method for realizing special calling class service |
| 04/19/2011 | US7930405 System and method for establishing and maintaining a voice over internet protocol connection between wireless devices |
| 04/19/2011 | US7929777 Variable length decoding device, variable length decoding method and image capturing system |
| 04/19/2011 | US7929683 Systems and methods for managing a numbering plan area split with LRN routed calls |
| 04/19/2011 | US7929682 System and method for providing communications services |
| 04/19/2011 | US7929676 Local routing management in a telecommunications network |
| 04/19/2011 | US7929562 Method and apparatus for optimizing response time to events in queue |
| 04/19/2011 | US7929519 POTS/packet bridge |
| 04/19/2011 | US7929470 Method and apparatus for exchange of information in a communication network |
| 04/19/2011 | US7929464 Method and apparatus for anticipating and planning communication-center resources based on evaluation of events waiting in a communication center master queue |
| 04/19/2011 | CA2527568C Call transfer and call pickup |
| 04/14/2011 | WO2011043839A1 Game environment to interact with telephony modem |
| 04/14/2011 | US20110085654 Apparatus and Method for Providing Presence |
| 04/14/2011 | US20110085531 Intellegent delivery agent for short message distribution center |
| 04/13/2011 | EP2309693A1 Improved voice over IP communication method |
| 04/13/2011 | EP2308221A1 Digital telecommunications system, program product for, and method of managing such a system |
| 04/13/2011 | EP1310082B1 Distributed messaging system and method |
| 04/13/2011 | CN201797543U Digital mining amplified telephone terminal |
| 04/13/2011 | CN102014217A Treatment method of selecting multiple telecom functions in connected state |
| 04/13/2011 | CN102014186A Method for automatically adding IP (Internet Protocol) number when mobile phone dials |
| 04/13/2011 | CN102014161A Device and method for displaying information content in mobile terminal calling process |
| 04/13/2011 | CN102014130A Automatic registration system of IP telephone of IP-PBX |
| 04/13/2011 | CN101409597B Talking method and apparatus |
| 04/13/2011 | CN101345672B Method for VOIP business terminal recognition and business control |
| 04/12/2011 | US7925283 Intelligent delivery agent for short message distribution center |
| 04/12/2011 | US7925003 Call center management systems |
| 04/12/2011 | US7924999 Using remote processors to generate routing information to terminate calls to a customer premises |
| 04/12/2011 | US7924994 Method of operating and configuring a telecommunication system; dispatcher software for identifying a client therein and telecommunication apparatus containing same |
| 04/12/2011 | US7924824 Voice packet communications system with communications quality evaluation function |
| 04/12/2011 | US7924818 Method and apparatus for providing integrated voice and data services over a common interface device |
| 04/12/2011 | US7924816 System and method for servicing calls originating via the Internet |
| 04/12/2011 | US7924783 Hierarchical communications system |
| 04/07/2011 | WO2011039450A1 System and method for controlling a communication session in a terminal of a local area network |
| 04/07/2011 | WO2011038693A1 Method and device for transmitting dual tone multi frequency signal |
| 04/07/2011 | WO2010112740A3 Method for routing a request for setting up a call |
| 04/07/2011 | US20110081012 Management of national telephone and address system (ntas) data |
| 04/07/2011 | DE102004021321B4 Verfahren und Einheit zum Ermitteln nutzbarer Dienste Method and device for determining usable services |
| 04/06/2011 | EP1849131B1 Method for providing call intermediation services and system therefore |
| 04/06/2011 | EP1664982B1 Dynamic cost network routing |
| 04/06/2011 | EP1254554B1 Server system for preparation of user-specific information for users in at least one communication network |
| 04/06/2011 | CN201789546U Phonevision internet |
| 04/06/2011 | CN1564562B Method of controlling signalling and media bridging in IP telephone net |
| 04/06/2011 | CN102006372A Method for realizing individual VOIP (Voice over Internet Phone) instantaneous calling |
| 04/06/2011 | CN102006370A Realization method and device for carrying out call loss analysis to narrow-band user in NGN (Next Generation Network) |
| 04/06/2011 | CN101521625B Method and equipment for distributing network transmission resource |
| 04/06/2011 | CN101197888B Method and system for implementing hang-up selection when non-intelligent SIP terminal call waiting |
| 04/05/2011 | US7920853 Method and arrangement for establishing a conference call |
| 04/05/2011 | US7920697 Interaction between echo canceller and packet voice processing |
| 04/05/2011 | US7920692 PBX call management |
| 04/05/2011 | US7920691 Method and apparatus for configuring an automatic cross connect system at a remote wiring hub |
| 04/05/2011 | US7920690 Interworking of multimedia and telephony equipment |
| 04/05/2011 | US7920686 Method and system for providing calling name identification requery |
| 04/05/2011 | US7920684 Method and system for processing call setup messages using call attributes |
| 04/05/2011 | US7920553 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 04/05/2011 | US7920552 Resource assignment in a distributed environment |
| 04/05/2011 | US7920550 Voice communication system and voice communication method |
| 04/05/2011 | US7920547 Voice service system and method of accessing the same |
| 04/05/2011 | US7920546 Automated attendant multimedia session |
| 04/05/2011 | US7920502 Satellite telephony packetization techniques |
| 04/05/2011 | US7920499 Activation of services in a communication system |
| 04/05/2011 | US7920496 Transaction control system including portable data terminal and mobile customer service station |
| 04/05/2011 | US7919970 Device, method and system for estimating the termination to a wired transmission-line based on determination of characteristic impedance |
| 04/05/2011 | CA2421713C Monitoring quality of service in packet-based communications |
| 04/05/2011 | CA2377617C Provision of media content to telephony callers on-hold |
| 03/31/2011 | WO2011036379A1 Method for configuring the ringtone of a terminal and device suitable for implementing said method |
| 03/31/2011 | US20110078316 Method And Element For Service Control |
| 03/31/2011 | US20110075669 Audio mixer and method |
| 03/30/2011 | EP2302890A1 Automatic configuration of soft phones that are usable in conjunction with special-purpose endpoints |
| 03/30/2011 | EP2302887A1 Gateway device and method, and program |
| 03/30/2011 | EP1969825B1 Method and network unit for setting up a connection in a second network |
| 03/30/2011 | CN101998297A System and method for calling PSTN (Public Switched Telephone Network) by using mobile phone short message text |
| 03/30/2011 | CN101998003A Call holding method for voice over internet protocol (VoIP) based on session initiation protocol (SIP) |
| 03/30/2011 | CN101998002A Three-network integration transitional voice communication method and three-network integration transitional signalling system |
| 03/30/2011 | CN101998001A System and method for realizing wholesale based on soft switch |
| 03/30/2011 | CN101998000A Device and method for preventing ion buildup in liquid crystal displays |
| 03/30/2011 | CN101997997A System for realizing Internet telephony call transfer by utilizing SIP protocol and method thereof |
| 03/30/2011 | CN101997989A Remote control business and system for telecommunication network |
| 03/30/2011 | CN101997877A 嵌入式智能交互终端及其通讯方法 Embedded intelligent interactive terminals and communication method |
| 03/30/2011 | CN101997870A Method for ensuring reliability of dynamic transfer in voice over internet protocol (VoIP) system |
| 03/30/2011 | CN101997850A Call management method and device for IP (Internet Protocol) multimedia subsystem |
| 03/30/2011 | CN101997847A Method and system for realizing service continuity in the case of switching circuit switch multi-session to packet switch |
| 03/30/2011 | CN101997846A Session handling method and device as well as communication system |
| 03/30/2011 | CN101997819A Method and device for guaranteeing media gateway busy hour emergency outgoing call |