| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 04/24/2013 | CN103067687A Location based service (LBS)-based method and system of mobile video communication |
| 04/24/2013 | CN103067627A Multichannel conversation fast-switching method based on VoIP (Voice over Internet Phone) system |
| 04/24/2013 | CN103067626A System and method for communication |
| 04/24/2013 | CN103067351A Seamless interworking of call control between autonomous systems |
| 04/24/2013 | CN103067262A System and method for prompting conversation state to user at instant messaging client |
| 04/24/2013 | CN101924683B Method, device and electronic equipment for dynamically adjusting jitter buffer |
| 04/24/2013 | CN101536451B A method and arrangement for enabling multimedia communication with a private network |
| 04/24/2013 | CN101180910B Connection type handover of voice over internet protocol call based on resource type |
| 04/23/2013 | US8429231 Voice instant messaging |
| 04/23/2013 | US8428235 Telephone call processing |
| 04/23/2013 | US8428047 Enterprise contact server with enhanced routing features |
| 04/18/2013 | WO2013055790A1 Regional independent tandem telephone switch |
| 04/18/2013 | WO2013055270A1 Apparatus and method for conferencing |
| 04/18/2013 | US20130097690 Security and support for flexible conferencing topologies spanning proxies, firewalls and gateways |
| 04/18/2013 | CA2851528A1 Regional independent tandem telephone switch |
| 04/17/2013 | EP2582124A1 Call center system and accessing method thereof |
| 04/17/2013 | CN202889467U Communication device combining cordless telephone and network communication software |
| 04/17/2013 | CN202889466U Emergency communication system of safety production cloud service platform for industrial and mining enterprises |
| 04/17/2013 | CN202889450U IP (Internet Protocol) network voice terminal equipment based on Android platform |
| 04/17/2013 | CN103053149A Method and apparatus for registration of an emergency service in packet data connections |
| 04/17/2013 | CN103051817A Method and voice terminal device for realizing pulse code modulation (PCM) information interaction by utilizing serial peripheral interface (SPI) interface |
| 04/17/2013 | CN101951588B Method and system for accessing server during roaming process of software phone or IP phone user |
| 04/17/2013 | CN101800819B Method for transmitting fixed network business and gateway |
| 04/17/2013 | CN101778182B VOIP fax sharing method, telephone and system |
| 04/17/2013 | CN101552967B Calling method, system, service device and terminal |
| 04/16/2013 | US8422657 Telecommunications system with improved country codes and area codes |
| 04/16/2013 | US8422656 Incoming and outgoing call control customization |
| 04/16/2013 | US8422653 Method and system for providing computer-network related information about a calling party |
| 04/16/2013 | CA2371078C A distributed system to intelligently establish sessions between anonymous users over various networks |
| 04/11/2013 | US20130090970 Automated Electronic Telecommunications Order Translation and Processing |
| 04/11/2013 | US20130089198 Intelligent Interactive Call Handling |
| 04/11/2013 | US20130089084 LAN Based Wireless Communications System |
| 04/10/2013 | EP2579610A1 Excessive-signal prevention apparatus and method therefor |
| 04/10/2013 | EP2579561A1 Smart gateway |
| 04/10/2013 | CN202872915U Network phone remote controller |
| 04/10/2013 | CN103037120A Communication system of master-control room of nuclear power plant |
| 04/10/2013 | CN103037119A Method and device of voice service rapid establishment |
| 04/10/2013 | CN103037118A Method and system of soft exchange equipment capable of achieving mass node function |
| 04/10/2013 | CN102104518B Hybrid Pastry network for voice over Internet protocol (VoIP) service |
| 04/10/2013 | CN101938582B Digital audio monitor, monitoring method and monitoring system |
| 04/10/2013 | CN101437090B Call center suitable for TDM and IP mixing network |
| 04/09/2013 | US8417632 Systems and methods for interfacing with a billing and account management unit |
| 04/09/2013 | US8416932 Convenience features in a method and system for providing enhanced caller identification |
| 04/09/2013 | US8416792 Networked computer telephony system driven by web-based applications |
| 04/09/2013 | US8416771 Telephone apparatus and computer readable medium |
| 04/09/2013 | CA2645188C Messaging advise in presence-aware networks |
| 04/04/2013 | WO2013048716A1 Method and apparatus for routing emergency calls using information obtained from multiple systems |
| 04/04/2013 | WO2013048230A1 A system and method for session transfer from a public switched telephone network (pstn) device to a session initiation protocol (sip) device |
| 04/04/2013 | WO2013045542A1 Multimode mobile telephone terminal allowing a telephone call transfer from one wireless network to another |
| 04/04/2013 | WO2013044649A1 Method and system for telecom network providing session service to internet |
| 04/03/2013 | EP2575395A1 Multimode mobile telephone terminal allowing a telephone call transfer from one wireless network to another |
| 04/03/2013 | CN202856842U Wireless IP telephone system for ocean engineering vessel |
| 04/03/2013 | CN103024226A Data communication method and communication terminal |
| 04/03/2013 | CN103024225A Method and device for achieving voice over Internet protocol (VoIP) conversations |
| 04/03/2013 | CN103024224A Speech control method and device in multi-person speech communication |
| 04/03/2013 | CN103024223A Method for realizing communication based on VOIP (Voice Over Internet Protocol) |
| 04/03/2013 | CN103024220A Method, system and IAD (Integrated Access Device) for processing voice message |
| 04/03/2013 | CN103024219A IAD (Integrated Access Device) and voice processing method and system based on same |
| 04/03/2013 | CN103023899A Method for multiple data service support in VoIP system |
| 04/03/2013 | CN103023630A Method for hiding information of speech stream on basis of speech coding by pulse code modulation |
| 04/03/2013 | CN101621595B Telephone outlet with packet telephony adapter, and a network using same |
| 04/02/2013 | US8411842 Intelligent communication routing |
| 04/02/2013 | US8411825 Method, system, and computer program product for contacting intended customers |
| 04/02/2013 | US8411595 System and method for providing reservationless conferencing |
| 04/02/2013 | US8410900 Method for processing received event message |
| 03/28/2013 | WO2013017947A3 Method and apparatus of call to busy subscriber establishment |
| 03/28/2013 | US20130080550 Voice instant messaging |
| 03/27/2013 | EP2574003A1 Rules based real-time communication system |
| 03/27/2013 | EP2572523A1 Dynamic call routing for real-time handling of inbound voice calls on mobile phones |
| 03/27/2013 | CN1842109B Method for implementing audio telephone and central conversion processor |
| 03/27/2013 | CN103002168A Method and device for resource management of Voice of Internet Phone Digital Signal Processor |
| 03/27/2013 | CN101755445B Using PSTN reachability to verify VolP call routing information |
| 03/27/2013 | CN101431727B Mobile communication device providing integrated access to telephony and internet service |
| 03/27/2013 | CN101375576B Using PSTN to communicate IP addresses for point-to-point text, voice, video, or data communication |
| 03/27/2013 | CN101305591B Dynamic call characteristic control on a per call basis |
| 03/26/2013 | US8406411 Method of conditionally routing a call made to a fixed telephone number |
| 03/26/2013 | US8406224 Internet telephony with interactive information |
| 03/26/2013 | US8406115 Systems and methods for orthogonal frequency division multiplexing |
| 03/21/2013 | US20130073659 Methods and Systems for Providing Application Level Presence Information in Wireless Communication |
| 03/21/2013 | US20130073650 Voice instant messaging |
| 03/21/2013 | US20130073649 Voice instant messaging |
| 03/21/2013 | US20130070909 System and Method for Electronic Message Notification |
| 03/21/2013 | US20130070757 Voice over data telecommunications network architecture |
| 03/20/2013 | CN102984819A Mobile video voice service terminal |
| 03/20/2013 | CN102984405A Method and system for realizing call route |
| 03/20/2013 | CN102984404A Voice communication scheduling command system |
| 03/20/2013 | CN102984403A Device and method achieving multiple single-line calls in command and dispatching system |
| 03/20/2013 | CN102984402A Processing method of voice over internet phone (VoIP) data package and processing system of VoIP data package |
| 03/20/2013 | CN102984397A A method and a system for routing calls for a certain telephone number |
| 03/20/2013 | CN102984395A Automatic voice testing structure of voice over internet phone |
| 03/20/2013 | CN102984145A Method for communicating with communication terminal with plurality of extension sets and communication device |
| 03/20/2013 | CN102984143A Communication method and radio communication terminal |
| 03/20/2013 | CN102984122A Internet protocol (IP) voice covert communication method based on adaptive multi-rate wideband (AMR-WB) code rate camouflage |
| 03/20/2013 | CN102984092A Internet protocol private branch exchange (IPPBX) multi-service access method based on optical port uplink |
| 03/20/2013 | CN101771769B Method, device and system for call control |
| 03/20/2013 | CN101610267B Method and system for realizing IP side signaling monitoring through media gateway |
| 03/20/2013 | CN101588424B Method and device of talking monitoring |
| 03/19/2013 | US8402148 Representation, decision models, and user interface for encoding managing preferences, and performing automated decision making about the timing and modalities of interpersonal communications |
| 03/19/2013 | US8401547 System and method for enhanced content access |
| 03/19/2013 | US8401174 System and method for optimizing termination impedance for an analog telephone line |