| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 03/19/2013 | US8401167 International origin dependent customized routing of calls to toll-free numbers |
| 03/19/2013 | US8401166 Systems and methods of mitigating phantom call traffic |
| 03/19/2013 | US8401164 Methods and apparatus for providing expanded telecommunications service |
| 03/19/2013 | US8401161 Routing outbound toll-free calls through a VoIP network |
| 03/19/2013 | US8401158 Release link trunking for IP telephony |
| 03/19/2013 | US8401023 Intelligent network and method for providing voice telephony over ATM and private address translation |
| 03/19/2013 | US8400926 Multi-protocol telecommunications routing optimization |
| 03/14/2013 | WO2013036479A1 Integrated private branch exchange and device control system |
| 03/14/2013 | US20130067099 Multi-mode endpoint in a communication network system and methods thereof |
| 03/14/2013 | US20130064240 Systems and methods for multiple mode voice and data communications using intelligenty bridged TDM and packet buses |
| 03/14/2013 | CA2847529A1 Integrated private branch exchange and device control system |
| 03/13/2013 | CN202798896U Mobile terminal capable of realizing video control in VOIP communication |
| 03/13/2013 | CN202798789U System for achieving remote data and voice transmission |
| 03/13/2013 | CN1993972B Method and system for retrieving network addresses in hybrid telecommunication networks |
| 03/13/2013 | CN102970449A Method and device for issuing caller information |
| 03/13/2013 | CN102970448A Voice over internet protocol (VOIP) voice access method applicable to frequency division multiple access/demand assigned multiple access (FDMA/DAMA) satellite communication system |
| 03/13/2013 | CN102970447A Control method for implementing calling party coloring ring back tone based on voice over internet phone (VoIP) network |
| 03/13/2013 | CN101909125B Method and system for transmitting multi-media information during call connection |
| 03/13/2013 | CN101867917B IP call establishing method and system |
| 03/07/2013 | WO2013030629A1 A unified communications platform |
| 03/07/2013 | WO2012172310A3 Video conferencing systems |
| 03/07/2013 | US20130058468 System and method for providing connectivity between two different networks using different protocols |
| 03/07/2013 | US20130058326 Internet telephony unit and software for enabling internet telephone access from traditional telephone interface |
| 03/06/2013 | CN202772971U Interconnection system |
| 03/06/2013 | CN102959933A Suppression of announcements in communication networks |
| 03/06/2013 | CN102957818A Bridging method for enabling unregistered terminal to be capable of dialling network telephone |
| 03/06/2013 | CN102957817A Network communication and voice communication integrated all-in-one office machine |
| 03/06/2013 | CN102957791A Mobile terminal and method of controlling the same |
| 03/06/2013 | CN102957678A Method, system and device for authenticating IP phone and negotiating voice domain |
| 03/05/2013 | US8391711 Optical relay system and network control device |
| 03/05/2013 | US8391462 Communication platform for providing computer telephony integration services to remote subscribers, and associated method |
| 03/05/2013 | US8391451 Voice over IP method for developing interactive voice response system |
| 03/05/2013 | US8391275 Providing calling party information in a request to establish a call session |
| 03/05/2013 | US8391186 VoIp dial plan analysis and improvement based on design patterns |
| 02/27/2013 | CN102946500A VoIP (voice over internet protocol) control system and VoIP control method |
| 02/27/2013 | CN102946444A Method for optimizing network topology of lightweight VoIP (voice over Internet protocol) system |
| 02/27/2013 | CN101924845B Voiceprint recognition technology-based familiarity telephone system and familiarity telephone communication method |
| 02/27/2013 | CN101729218B Resource allocation and deallocation method and device |
| 02/27/2013 | CN101600027B Method for individually reporting job numbers of seats and call center system |
| 02/26/2013 | US8386567 Method and apparatus for coordinating internet multi-media content with telephone and audio communications |
| 02/26/2013 | US8385881 Solutions for voice over internet protocol (VoIP) 911 location services |
| 02/26/2013 | US8385537 Unified method and apparatus to simplify telephone area code dialing |
| 02/26/2013 | US8385531 Performing routing of a phone call based on mutual contacts of a contact list |
| 02/21/2013 | WO2013024464A2 Mechanism for dynamic signaling of encoder capabilities |
| 02/21/2013 | CA2842886A1 Mechanism of dynamic signaling of encoder capabilities |
| 02/20/2013 | EP2560294A1 Impedance stabilization device |
| 02/20/2013 | CN101567948B Codec converter, gateway device, and codec converting method |
| 02/19/2013 | USRE44011 Method for transmitting data in a telecommunications network and switch for implementing said method |
| 02/19/2013 | US8380840 Method for recording events in an IP network |
| 02/19/2013 | US8379829 System and method for incoming telephone call distribution among inbound links of service platforms |
| 02/19/2013 | US8379825 System and method for establishing PSTN calls via an IP request |
| 02/19/2013 | US8379634 System and methods to route calls over a voice and data network |
| 02/19/2013 | US8379633 Concentrator for speech telephones and method of communication over LAN using same |
| 02/19/2013 | US8379631 System, method and computer program product for point-to-point bandwidth conservation in an IP network |
| 02/19/2013 | US8379531 Telephony communication via varied redundant networks |
| 02/19/2013 | US8378746 Voltage-mode line driving circuit having adaptive impedance matching |
| 02/19/2013 | CA2507154C Methods and systems for configuring and providing conference calls |
| 02/19/2013 | CA2507129C Methods and systems for remote call establishment |
| 02/19/2013 | CA2391460C Multimedia telecommunication automatic call distribution system |
| 02/14/2013 | US20130041960 System controlling use of a communication channel |
| 02/13/2013 | CN202737914U 多媒体电话网关 Multimedia Telephony Gateway |
| 02/13/2013 | CN102932568A Embedded VoIP telephone system and method for realizing voice quality management of VoIP telephone |
| 02/13/2013 | CN102932567A 终端和音频处理方法 Terminal and an audio processing method |
| 02/13/2013 | CN102932566A Method for reducing voice distortion in VOIP (Voice over Internet Protocol) phone call under VDI (Virtual Desktop Infrastructure) environment |
| 02/13/2013 | CN102932565A Internet-based communication method and communication terminal |
| 02/13/2013 | CN102932564A Communication proxy device fused with VoIP/IM (Voice over Internet Protocol)/(Instant Messenger) and mobile communication technology and use method thereof |
| 02/13/2013 | CN102932379A Multimedia digital terminal for mobile hospital information system |
| 02/13/2013 | CN102932317A Method and system for making call through webpage |
| 02/13/2013 | CN102932315A Session initial protocol (SIP)-based calling method, equipment and system |
| 02/13/2013 | CN101867669B Multimedia terminal adapter and method for automatically transferring call thereof |
| 02/13/2013 | CN101656735B Code flow processing method and device in communication link |
| 02/13/2013 | CN101527893B Method, equipment and system for voice communication |
| 02/12/2013 | US8375121 ISDN disconnect alarm generation tool for use in voice over IP (VoIP) networks |
| 02/12/2013 | US8374583 Message format conversion in communications terminals and networks |
| 02/12/2013 | US8374330 Call control |
| 02/12/2013 | US8374187 Method and system for localising users for services based on SIP or H.323 protocols with dynamic IP address allocation |
| 02/12/2013 | US8374167 Voice over internet protocol real time protocol routing |
| 02/12/2013 | CA2506549C Method for processing audio data on a network and device therefor |
| 02/12/2013 | CA2401322C System and method for providing group communication services |
| 02/06/2013 | CN1552150B Method and apparatus for resolving an entity identifier into an internet address using a domain name system (DNS) server |
| 02/06/2013 | CN102918824A Method and apparatus for allowing a subscriber to view the calling party number for a circuit switched voice call page while attached to a packet data network |
| 02/06/2013 | CN102917144A Advertisement funded telephone calls |
| 02/06/2013 | CN102916939A Implementation method and implementation system of PTT (push-to-talk) call based on VOIP (voice over internet protocol) technology |
| 02/06/2013 | CN101662499B Service access and conferencing system and method in a telecommunications network |
| 02/06/2013 | CN101394447B Multimedia communication system for mining |
| 02/05/2013 | US8370430 Method for interchanging messages and information during a telephone conference |
| 02/05/2013 | US8369513 Methods and systems for compensation for alien crosstalk between connectors |
| 02/05/2013 | US8369508 Call routing in telephone switch based on duplicate leg detection |
| 02/05/2013 | CA2790514C Excessive-signal prevention apparatus and method therefor |
| 01/31/2013 | US20130028418 Standard Telephone Equipment (STE) Based Deployable Secure Communication System |
| 01/31/2013 | US20130028406 System, method and software for a speech-enabled call routing application using an action-object matrix |
| 01/30/2013 | CN102904882A Method and apparatus for forwarding random call |
| 01/30/2013 | CN102904872A 通信方法和通信系统 Communication method and communication system |
| 01/30/2013 | CN102904822A Hierarchical recognition method of VoIP (Voice Over Internet Protocol) network flow |
| 01/30/2013 | CN102904770A High-bandwidth voice over Internet protocol (VoIP) detection system |
| 01/30/2013 | CN101945188B Wireless audio and video transmission system for transmission line helicopter routing inspection |
| 01/30/2013 | CN101772946B Communication device, radio communication device, and communication control method |
| 01/30/2013 | CN101394224B Service frame sending method and device |
| 01/29/2013 | US8363665 Method and system for bypassing 3GPP packet switched core network when accessing internet from 3GPP UEs using IP-BTS, femto cell, or LTE access network |
| 01/29/2013 | US8363647 System and method for configuring an IP telephony device |