| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 03/09/2010 | US7675905 Methods, systems, and computer program products for selectively performing global title translation based on message type |
| 03/09/2010 | US7675904 VoIP terminal capable of having conversation through both internet and PSTN |
| 03/09/2010 | US7675843 Multipoint-to-point communication using orthogonal frequency division multiplexing |
| 03/04/2010 | US20100057812 Method and system for determining migration of ported telephone numbers between service providers |
| 03/04/2010 | US20100057632 Questionnaire research system |
| 03/04/2010 | US20100056118 Message format conversion in communications terminals and networks |
| 03/04/2010 | US20100054447 Automatic termination path configuration |
| 03/04/2010 | US20100054438 Network element routing service |
| 03/04/2010 | US20100054434 Integrated Chat Client with Receiving Party Choice |
| 03/04/2010 | US20100054432 Systems and methods for call screening |
| 03/04/2010 | US20100054239 Data network and method therefore |
| 03/03/2010 | EP2160038A1 Tone Signalling |
| 03/03/2010 | EP2159973A1 Media resource adaptation method, media gateway controller and server |
| 03/03/2010 | CN201418113Y Novel mini-type conference machine |
| 03/03/2010 | CN201418111Y Mobile phone with network cable interface |
| 03/03/2010 | CN101662699A Service access system and method in a telecommunications network |
| 03/03/2010 | CN101662551A Enterprise converged communication system |
| 03/03/2010 | CN101662499A Service access and conferencing system and method in a telecommunications network |
| 03/02/2010 | US7672443 Virtual private network dialed number nature of address conversion |
| 03/02/2010 | US7672442 Signal relay device, method thereof, and system using the same |
| 03/02/2010 | US7672441 System and method for efficient call management for directory assistance services |
| 03/02/2010 | US7672322 Methods and system for fast session establishment between equipment using H.324 and related telecommunications protocols |
| 03/02/2010 | US7672296 Real-time communications system of high communications quality and media terminal apparatus |
| 03/02/2010 | US7672257 Transaction control system including portable data terminal and mobile customer service station |
| 03/02/2010 | US7672219 Multipoint-to-point communication using orthogonal frequency division multiplexing |
| 02/25/2010 | US20100046735 Method and Apparatus for Accessing Communication Data Relevant to a Target Entity Identified by a Number String |
| 02/25/2010 | US20100046734 Rerouting of trunks by a pbx to an alternate pbx |
| 02/25/2010 | US20100046728 Method and Apparatus for Accessing Communication Data Relevant to a Target Entity Identified by a Number String |
| 02/25/2010 | US20100046727 Method and apparatus for controlling unsolicited messaging |
| 02/25/2010 | US20100046722 Telephone system and method for reliable emergency services calling |
| 02/25/2010 | US20100046503 Concentrator for speech telephones and method of communication over lan using same |
| 02/24/2010 | EP2157804A1 Method for licit monitoring and device thereof |
| 02/24/2010 | CN201414159Y Multimedia terminal machine |
| 02/24/2010 | CN101658022A Establishment of connections over a communication network to a participant of a meeting without said participant's telephone number being known |
| 02/24/2010 | CN101656807A Networking telephone sending terminal and voice control method thereof |
| 02/24/2010 | CN101656806A Voice communication system, equipment and program |
| 02/24/2010 | CN100592810C Method and communication device for redundant operation of an end terminal relative to at least two communication nodes |
| 02/24/2010 | CN100592737C Exchange protocol for combinational multimedia services |
| 02/23/2010 | US7668916 System architecture for linking packet-switched and circuit-switched clients |
| 02/23/2010 | US7668306 Method and apparatus for connecting packet telephony calls between secure and non-secure networks |
| 02/23/2010 | US7668303 Call tracking using SIP presence mechanism |
| 02/23/2010 | US7668171 Method and apparatus for providing estimated response-wait-time displays for data network-based inquiries to a communication center |
| 02/23/2010 | US7668158 Packet-switched telephony with circuit-switched backup |
| 02/23/2010 | US7668155 IP telephony system, VoIP terminal, and method and program for reproducing hold sound or audible sound used therein |
| 02/18/2010 | WO2008107898A3 Enhanced voice call continuity server |
| 02/18/2010 | US20100041374 Method and system for multimodal presence detection |
| 02/18/2010 | US20100040223 Telephone relay system, telephone relay apparatus, recording medium and data processing method |
| 02/18/2010 | US20100040219 Method and apparatus for processing number portability call among various telephone networks |
| 02/18/2010 | US20100040206 System and method for controlling communication flow rates |
| 02/18/2010 | US20100040050 Communication session quality indicator |
| 02/18/2010 | US20100040025 Method and system for extended network access notification via a broadband access gateway |
| 02/18/2010 | US20100039949 Methods and apparatus for data communication |
| 02/17/2010 | EP2154863A2 Communications Network Bridge |
| 02/17/2010 | EP2153358A1 Method for creating a data base |
| 02/17/2010 | CN201409160Y VOIP-based soft dispatching system |
| 02/17/2010 | CN201409153Y 网络电话系统 Internet phone system |
| 02/17/2010 | CN101652985A Controlling supplementary subscriber services in overlayed IMS-based telecommunications networks |
| 02/17/2010 | CN100591147C System and method for providing caller information across heterogeneous networks |
| 02/17/2010 | CN100591083C Calling number unavailable information transmitting method under soft exchange constitution |
| 02/16/2010 | US7664251 Abbreviated dialing between PBX and Centrex systems using a VoIP platform |
| 02/16/2010 | US7664250 System and method for incoming telephone call distribution among inbound links of service platforms |
| 02/16/2010 | US7664249 Methods and interfaces for probing and understanding behaviors of alerting and filtering systems based on models and simulation from logs |
| 02/16/2010 | US7664248 Call forwarding to voice mail systems based on redirecting number |
| 02/16/2010 | US7664231 Method and device for quality evaluation of an audio signal and device and method for obtaining a quality evaluation result |
| 02/16/2010 | US7664097 Telephone service via networking |
| 02/16/2010 | US7664096 Remote location VOIP roaming behind firewalls |
| 02/16/2010 | US7664056 Media based collaboration using mixed-mode PSTN and internet networks |
| 02/16/2010 | US7664036 Dynamic real-time quality management of packetized communications in a network environment |
| 02/16/2010 | US7664025 Packet network telecommunication system |
| 02/16/2010 | US7664014 High availability VoIP subsystem |
| 02/11/2010 | US20100034370 Method and Apparatus for Communication Having Critically Assured Services |
| 02/11/2010 | US20100034200 System and Method for Assisting in Controlling Real-Time Transport Protocol Flow Through Multiple Networks |
| 02/10/2010 | CN101645989A Processing method and device of network audio information |
| 02/10/2010 | CN100589648C Calling control method for fixed network user access mobile core network |
| 02/10/2010 | CN100589510C Gateway device with mixed access by ADSL and VDSL |
| 02/10/2010 | CN100589509C Call conversion method and call forward system based on SIP protocol |
| 02/09/2010 | US7660575 Adapter for secure VoIP communications |
| 02/09/2010 | US7660400 Method and apparatus for automatically building conversational systems |
| 02/09/2010 | US7660398 Captioned telephone service |
| 02/09/2010 | US7660298 Systems and techniques for optimistic caching for address translations |
| 02/09/2010 | US7660297 Voice over IP forwarding |
| 02/09/2010 | US7660295 Telephony and data network services at a telephone |
| 02/09/2010 | US7660294 Voice-over-IP enabled chat |
| 02/09/2010 | US7660293 Network, private branch exchange, and multi protocol communication terminal control method for use in the exchange |
| 02/09/2010 | CA2322964C Call features for automatic call distribution system |
| 02/04/2010 | WO2006048876A3 Apparatus and system for operating a community |
| 02/04/2010 | WO2006008744A3 Collecting data from telephone users by mid-call event signaling |
| 02/04/2010 | US20100027548 Communicating in voice and data communications systems |
| 02/03/2010 | CN101640737A Method for selecting QoS grade by user and equipment for realizing same |
| 02/03/2010 | CN100588170C Apparatus and method for providing VoIP service |
| 02/02/2010 | US7657019 System for and method of hairpinning a remote PBX or KTS or gateway phone call to a local call |
| 02/02/2010 | US7657018 Method and system for combining a conversion between time-division multiplexed digital signals and packetized digital signals with a switching system interface |
| 02/02/2010 | US7657017 System and method for major trading area (MTA) routing in a telecommunications network |
| 02/02/2010 | US7656904 Telephone system having multiple distinct sources and accessories therefor |
| 02/02/2010 | US7656889 IP-based voice/video communication system and call pickup/forwarding method |
| 02/02/2010 | US7656864 Data network computing device call processing |
| 02/02/2010 | US7656863 Method for soft switch call control and soft switch device using the same |
| 02/02/2010 | CA2387871C Method and arrangement in a telecommunications system |
| 01/28/2010 | WO2010009949A1 Method for using voice messages in telecommunications connections |
| 01/28/2010 | US20100023988 System And Method For Suppressing Silence In Voice Traffic Over A Wireless Communication Medium |