| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 01/29/2013 | US8363638 Apparatus and method for forwarding voice packet in a digital communication system |
| 01/29/2013 | CA2507490C Methods and systems for automatic communication line management based on device location |
| 01/24/2013 | US20130022193 Mobile-to-Mobile Call Determination |
| 01/24/2013 | US20130022192 Efficient and cost-effective distributed call admission control |
| 01/24/2013 | US20130022182 Integrated, interactive telephone and computer network communications system |
| 01/24/2013 | US20130022057 Communicating Tone Information in a Network |
| 01/23/2013 | EP2549729A2 Broadband communication apparatus and method for implementing telephone service |
| 01/23/2013 | CN202696814U Tri-network integration information display system |
| 01/23/2013 | CN202696723U 语音控制网关 Voice Control Gateway |
| 01/23/2013 | CN202696722U Communication system used for electric power company |
| 01/23/2013 | CN1682511B Network having communication member and method for independently managing the network |
| 01/23/2013 | CN102891936A Method for automatically processing mass cutover data of telephone subscriber |
| 01/23/2013 | CN101945187B Method and system for bonding fixed-line extension telephones and mobile terminals |
| 01/23/2013 | CN101860933B Conversion device for wireless wide area network to Ethernet and transmission system thereof |
| 01/23/2013 | CN101448047B Telephone bank calling system and total control equipment |
| 01/22/2013 | US8358769 Personal desktop router |
| 01/22/2013 | US8358768 Methods, systems, and computer program products for providing a country code identifier in an international ENUM system |
| 01/22/2013 | US8358767 System and method for efficient call management for directory assistance services |
| 01/22/2013 | US8358758 Familiarization augmentation system and technology (FAST) dialer |
| 01/17/2013 | US20130016715 Network telephony appliance and system for inter/intranet telephony |
| 01/16/2013 | EP2545702A1 Television appliance |
| 01/16/2013 | EP2545699A1 System and method for mobile-to-computer communication |
| 01/16/2013 | CN1860763B Network entity for interconnecting SIP end-points of different capabilities |
| 01/16/2013 | CN102883081A Interconnection system and interconnection method |
| 01/16/2013 | CN102883080A Method for realizing coexistence and mutual backup of session initiation protocol (SIP) and integrated service digital network (ISDN) protocol aiming at dispatching desk |
| 01/16/2013 | CN102883078A Method for distributing incoming calls of distributed call center |
| 01/16/2013 | CN102882950A Method for transmitting information between different sets of equipment based on double-tone multi-frequency technology |
| 01/16/2013 | CN101702749B Dual tone multiple frequency event frame processing method, system and media gateway |
| 01/15/2013 | US8355731 Intelligent interactive call handling |
| 01/15/2013 | US8355498 Communication line interface |
| 01/15/2013 | US8355496 Call management interfaces |
| 01/15/2013 | US8355494 System and method for handling toll free number telephone calls |
| 01/15/2013 | US8355488 Method and system for determining authorization levels in a virtual private network (VPN) |
| 01/15/2013 | US8355396 Customized network congestion messaging for terminal adapters |
| 01/15/2013 | US8355349 Voice-over-IP enabled chat |
| 01/15/2013 | CA2464296C Method for transmission of signal tones in heterogeneous networks, device and computer program product |
| 01/10/2013 | WO2013004567A1 A method and a system to discover and establish an enriched communication channel in a voice call |
| 01/10/2013 | US20130010946 Method and apparatus for self-learning of call routing information |
| 01/10/2013 | US20130010940 Method and system for providing communication control functionality at a remotely located site using a distributed feature architecture |
| 01/09/2013 | EP2543179A1 Media appliance |
| 01/09/2013 | EP2543039A1 Source code adaption based on communication link quality and source coding delay. |
| 01/09/2013 | CN102868833A Method, device and system for successively calling fraud telephone number |
| 01/09/2013 | CN102868683A Terminal-to-terminal based voice safety multi-path communication system and method |
| 01/09/2013 | CN101771771B Method for realizing on-line detection for SIP terminal |
| 01/09/2013 | CN101267324B Provision method and system for IP multimedia sub-system service |
| 01/08/2013 | US8351598 Crosstalk recognition in presence of radio frequency interference |
| 01/08/2013 | US8351592 Remote PBX system and advanced communication terminals |
| 01/08/2013 | US8351585 Method, system and apparatus for implementing multimedia ring back tone service |
| 01/08/2013 | US8351421 System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet |
| 01/08/2013 | US8351321 Systems and method for orthogonal frequency divisional multiplexing |
| 01/08/2013 | CA2529897C Convergence of circuit-switched voice and packet-based media services |
| 01/03/2013 | WO2012110805A8 Data sharing during a telephone conversation |
| 01/03/2013 | US20130003958 Functionalities for local number portability in a telecommunications network |
| 01/03/2013 | US20130003944 Computer-Implemented System And Method For Processing Audio In A Voice Response Environment |
| 01/02/2013 | EP2540069A1 Establishing a call between a first user and a second user |
| 01/02/2013 | EP2540052A1 Method and device for registering client computing devices for online communication sessions |
| 01/02/2013 | CN202652335U Voice exchanging device |
| 01/02/2013 | CN1988548B Method and system for processing speech processing request |
| 01/02/2013 | CN102859982A Establishing a call between a first user and a second user |
| 01/02/2013 | CN102859981A Television Set |
| 01/02/2013 | CN102857649A Communication device based on VoIP (Voice over Internet Protocol) technology and use method thereof |
| 01/02/2013 | CN102857648A Enterprise-level voice transmission soft exchange communication system |
| 01/02/2013 | CN102857477A Geographic information management method and system |
| 01/02/2013 | CN102137201B Method, device and communication system for calling users of PBX (private branch exchange) |
| 01/02/2013 | CN101662699B Service access system and method in a telecommunications network |
| 01/01/2013 | US8346849 Security and support for flexible conferencing topologies spanning proxies, firewalls and gateways |
| 01/01/2013 | US8345859 Method and apparatus for DSL line card power management |
| 01/01/2013 | US8345856 Method for estimation impact of calls in dialer for predictive dialing |
| 01/01/2013 | US8345711 Communication systems and QSIG communications methods |
| 01/01/2013 | US8345665 Text to speech conversion of text messages from mobile communication devices |
| 12/27/2012 | WO2012175995A1 Sharing data during a voice call |
| 12/26/2012 | EP2538647A1 Dual tone multi-frequency signal transmission method and device |
| 12/26/2012 | EP2538642A2 System providing relevant services to transient devices in wireless networks and methods thereof |
| 12/26/2012 | EP2537324A1 Television set |
| 12/26/2012 | CN1759630B System and method of exchanging identification information for mobile terminals |
| 12/26/2012 | CN102843784A Call access method, equipment and system |
| 12/25/2012 | US8341116 Systems and methods for updating an LDAP |
| 12/25/2012 | US8341018 Methods and systems for providing contextual information on communication devices and services |
| 12/25/2012 | US8340279 Interference cancellation system |
| 12/25/2012 | US8340102 Apparatus and method for providing a network termination point |
| 12/25/2012 | US8339997 Media based collaboration using mixed-mode PSTN and internet networks |
| 12/25/2012 | US8339937 Communications network |
| 12/20/2012 | US20120321066 Authenticating voice calls from mobile devices |
| 12/19/2012 | EP2536118A2 Providing resilient digital telephony services for wireless devices |
| 12/19/2012 | EP2536117A1 Method and apparatus for establishing circuit switched link of wifi handheld equipment |
| 12/19/2012 | EP2536115A1 Initiating a communication via a media content device |
| 12/19/2012 | EP2536078A1 Method and system for packet core network calling traditional circuit domain network users |
| 12/19/2012 | CN202617224U Integrated telephone set |
| 12/19/2012 | CN102833437A Large-scale telephone stored program control exchange set networking system and communication method thereof |
| 12/19/2012 | CN102833436A Method and system for achieving VOIP (Voice over Internet Phone) agency |
| 12/19/2012 | CN102833435A IP PBX (Internet Protocol-Private Branch Exchange) cross-network registration management method based on logic communication group |
| 12/19/2012 | CN102833434A Method, device and system for detecting network-side dual-tone multi-frequency signals |
| 12/19/2012 | CN102833426A Pickup method |
| 12/19/2012 | CN102833425A Parallel position method |
| 12/19/2012 | CN102833215A Method and device for strengthening SIP (session initiation protocol) FORKING call function |
| 12/19/2012 | CN101931716B Modem and method for processing talking packet |
| 12/19/2012 | CN101909192B Television terminal and communication method thereof |
| 12/19/2012 | CN101707593B Conference system based on tree-shaped servers, PC client sides and telephone terminals |
| 12/19/2012 | CN101321375B Method and server for controlling conversation switch |
| 12/18/2012 | US8335187 Routing mobile voice calls |