| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 03/18/2009 | CN101389064A Method and system for audio data radio transmission |
| 03/18/2009 | CN101388931A Method for realizing network telephone automatic receiving equipment |
| 03/18/2009 | CN101388930A Method for soft exchange of network telephone |
| 03/18/2009 | CN101388929A State reporting method for network telephone |
| 03/18/2009 | CN101388926A Method for realizing value-added service by telephone system |
| 03/18/2009 | CN101388862A Method for network telephone gateway |
| 03/18/2009 | CN101388830A Multiple IP bearing establishing method, device and system |
| 03/18/2009 | CN101388802A Apparatus for test number transmission ability between networks |
| 03/18/2009 | CN101388568A Method for implementing electric grid scheduling automation |
| 03/18/2009 | CN100471290C Method for implementing half-duplex IP voice communication |
| 03/18/2009 | CN100471216C Routing of emergency calls based on geographic location of originating telephone end office |
| 03/18/2009 | CN100471213C Communication assistance system and method |
| 03/18/2009 | CN100471174C Method for realizing recording pause function via H.248 protocol |
| 03/18/2009 | CN100471116C Instantaneous communication exchange system and method |
| 03/18/2009 | CN100471111C Telecommunication service mutual method and system between broadband asomeric network |
| 03/17/2009 | US7505580 IP telephone system |
| 03/17/2009 | US7505575 Method and system for processing telephone calls via a remote tie-line |
| 03/17/2009 | US7505574 Method and system for providing an improved communications channel for telephone conference initiation and management |
| 03/17/2009 | US7505570 Voice over IP method for developing interactive voice response system |
| 03/17/2009 | US7505471 Terminal-to-terminal communication connection control method using IP transfer network |
| 03/17/2009 | US7505452 Systems and methods for providing pooled access in a telecommunications network |
| 03/12/2009 | WO2009007956A3 A method for initiating a connection between communication devices of at least two parties |
| 03/12/2009 | US20090067609 Private branch exchange system and method for control thereof |
| 03/12/2009 | US20090067601 Transaction sets for automated electronic ordering of telecommunications products and services |
| 03/12/2009 | US20090067516 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
| 03/12/2009 | US20090067319 Systems and method for orthogonal frequency divisional multiplexing |
| 03/11/2009 | EP2034681A1 A method and system for transmitting subscriber terminate location information in ip multimedia subsystem |
| 03/11/2009 | EP2033431A2 Methods, systems and computer program products for accessing number portability (np) and e.164 number (enum) data using a common np/enum data locator structure |
| 03/11/2009 | EP2033430A2 Methods, systems, and computer program products for performing range-based directory number (dn) screening |
| 03/11/2009 | EP2033427A2 Account creation system and call processing system |
| 03/11/2009 | EP2033388A2 Apparatus, method and system for providing new communication services over existing wiring |
| 03/11/2009 | EP1354463B1 Telephone system using one or several micro-computers |
| 03/11/2009 | CN101385313A Call establishment control for multimedia call |
| 03/11/2009 | CN101383882A Method implementing multi-path call scheduling in IP scheduling system |
| 03/11/2009 | CN101383881A Speech and webpage transmitting cooperation method, apparatus and system |
| 03/11/2009 | CN101383880A Media gateway log system and log outputting method |
| 03/11/2009 | CN101383879A Method for allocating connection attempt to server |
| 03/11/2009 | CN101383878A Queuing method for coordinating connection attempt to server |
| 03/11/2009 | CN101383877A Network situation monitoring method for soft telephone |
| 03/11/2009 | CN101383873A Method for monitoring network telephone |
| 03/11/2009 | CN101383786A Method for implementing data interchange between optical network terminal and customer terminal using household gateway |
| 03/11/2009 | CN100469051C VoIP network, media proxy server, and method of providing additional services used in them |
| 03/10/2009 | US7502458 System and method for call routing through a data network |
| 03/10/2009 | US7502456 Computer-implemented telephone call conferencing system |
| 03/10/2009 | US7502363 Voice communication system and voice communication method |
| 03/10/2009 | US7502339 Mobility within a packet-switched telephony network |
| 03/10/2009 | US7502132 Facsimile apparatus |
| 03/05/2009 | WO2009026942A1 Dynamic network selection |
| 03/05/2009 | WO2008081130A3 Mixed conference gateway |
| 03/05/2009 | US20090060164 Communication method and apparatus |
| 03/05/2009 | US20090060163 Call Establishment in Call Centers Having Heterogeneous Terminals |
| 03/05/2009 | US20090060160 Switch having notification system |
| 03/05/2009 | US20090059960 Voice and data exchange over a packet based network with timing recovery |
| 03/05/2009 | US20090059904 Providing a network node with service reference information |
| 03/05/2009 | US20090059903 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 03/05/2009 | US20090059818 Systems and methods for providing configurable caller id iformation |
| 03/05/2009 | CA2694752A1 Dynamic network selection |
| 03/04/2009 | EP2030430A2 Media terminal adapter (mta) initialization process display by use of an embedded caller name and caller identification |
| 03/04/2009 | EP1530886B1 Communicating in voice and data communications systems |
| 03/04/2009 | EP1290818B1 System providing integrated services over a computer network |
| 03/04/2009 | CN201204642Y Voip telephone equipment with dialing device function |
| 03/04/2009 | CN201204610Y Doll device for instant communication |
| 03/04/2009 | CN101378527A Method for implementing network telephone emergency call system |
| 03/04/2009 | CN101378421A Several dialing method for network telephone |
| 03/04/2009 | CN101378351A Method and apparatus for sending and receiving data |
| 03/04/2009 | CN101378295A Method for denoting network telephone talking quality |
| 03/04/2009 | CN101377839A Method and apparatus for transacting transfer and settlement of accounts through wired network |
| 03/04/2009 | CN100466855C A call method and call system |
| 03/03/2009 | US7499972 B2B service center communications using locate collaborate transact methodology |
| 03/03/2009 | US7499537 Technique for providing personalized information and communications services |
| 03/03/2009 | US7499531 Method and system for information lifecycle management |
| 03/03/2009 | US7499527 System and method for determining the status of a telephone in a packet switched network |
| 03/03/2009 | US7499443 Wireless adhoc communication system, terminal, authentication method for use in terminal, encryption method, terminal management method, and program for enabling terminal to perform those methods |
| 02/26/2009 | WO2009026325A2 Systems and methods for locating contact information and for establishing a communication session among end-points |
| 02/26/2009 | WO2009026286A1 Path replacement in order to remove server used to initiate call from the resulting communications path |
| 02/26/2009 | WO2009026181A2 System, method, and computer-readable medium for by-passing the public switched telephone network when interconnecting an enterprise network and a carrier network |
| 02/26/2009 | WO2009024066A1 Method for voice activity detection controlling and controlling device thereof |
| 02/26/2009 | WO2009024020A1 A server implementing network short message service and the communication method between the server and the clients |
| 02/26/2009 | WO2008156745A9 Method and apparatus for information conveyance for end users of a packet based communication network |
| 02/26/2009 | US20090052457 Method and apparatus for automatic inter-domain routing of calls |
| 02/26/2009 | CA2687098A1 Path replacement in order to remove server used to initiate call from the resulting communications path |
| 02/26/2009 | CA2687045A1 Systems and methods for locating contact information and for establishing a communication session among end-points |
| 02/25/2009 | EP2028834A1 Setup of communication connections in GSM between subscribers to a chat room such as "Second Life" |
| 02/25/2009 | EP2027712A2 Analog telephone adapter and emergency proxy |
| 02/25/2009 | EP1013054B1 Improved call center apparatus and functionality in telephony |
| 02/25/2009 | CN101375576A Using PSTN to communicate IP addresses for point-to-point text, voice, video, or data communication |
| 02/25/2009 | CN101374277A Method for implementing associated channel signaling of NGN system |
| 02/25/2009 | CN101374180A Auto-calibration and synchronization method as well as method for eliminating echo of network telephone |
| 02/25/2009 | CN101374179A Method and apparatus for distributing Internet protocol endpoint information |
| 02/25/2009 | CN100464554C System and method for playing background sound used for public telephone exchange net |
| 02/24/2009 | US7496192 Interworking of multimedia and telephony equipment |
| 02/24/2009 | US7496191 Integrated privacy rules engine and application |
| 02/24/2009 | US7496190 System with call forward profile |
| 02/24/2009 | US7496186 Outside-LAN connectable IP key telephone system, terminal unit thereof, main unit thereof, and outside-LAN connecting method |
| 02/24/2009 | US7496150 Transmission apparatus with variable impedance matching |
| 02/24/2009 | US7496111 Interface for intelligent network services |
| 02/24/2009 | US7496091 Virtual PBX system |
| 02/24/2009 | US7496089 Network, private branch exchange, and PBX additional service starting method |
| 02/24/2009 | US7496088 Method for establishing a call in a telecommunications network; telecommunications network; and controlling device for packet networks |
| 02/24/2009 | US7496054 Networked computer telephony system driven by web-based applications |