| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 01/28/2010 | US20100023763 Multi-interface mobility client |
| 01/28/2010 | US20100020962 Method and apparatus for transmitting signaling tones over a packet switched network |
| 01/28/2010 | US20100020762 Conversion of voice-over-ip media control messaging into mobile control channel signaling using a voice-over ip gateway |
| 01/28/2010 | US20100020683 System and Method for Combining Requests for Data Bandwith by a Data Source for Transmission of Data Over a Communication Medium |
| 01/27/2010 | EP1499096B1 Network game method, network game terminal, and server |
| 01/27/2010 | CN201393248Y VOIP telephone set |
| 01/27/2010 | CN201393245Y IP phone gateway |
| 01/27/2010 | CN101635776A System and method for calling out PSTN by text information of dialog box of instant messenger (IM) |
| 01/27/2010 | CN100586225C Communicating in voice and data communications systems |
| 01/27/2010 | CN100586138C A method and apparatus for connecting packet telephony calls between secure and non-secure networks |
| 01/27/2010 | CN100586114C Service providing system and method therefor |
| 01/27/2010 | CN100586110C Method, system and network device for routing a message to a temporarily unavailable network user |
| 01/27/2010 | CN100586107C Method and communication appliance for transmitting live transmission protocol message |
| 01/26/2010 | US7653536 Voice and data exchange over a packet based network with voice detection |
| 01/26/2010 | US7653387 Methods and systems for providing application level presence information in wireless communication |
| 01/26/2010 | US7653194 Geographical call routing for a non-emergency calling service |
| 01/26/2010 | US7653188 Telephony extension attack detection, recording, and intelligent prevention |
| 01/26/2010 | US7653181 Method of creating and managing a customized recording of audio data relayed over a phone network |
| 01/26/2010 | US7653081 Internet protocol transport of PSTN-to-PSTN telephony services |
| 01/26/2010 | CA2422922C Network telephony appliance and system supporting wireless internet telephony |
| 01/21/2010 | WO2010009308A1 Digital telecommunications system, program product for, and method of managing such a system |
| 01/21/2010 | WO2010008354A1 I p-pbx with embedded gsm/umts interface |
| 01/21/2010 | WO2010007977A1 Gateway device and method, and program |
| 01/21/2010 | US20100014654 Retablissement d'appel dans un serveur d'appel d'installation de telecommunications privee |
| 01/21/2010 | US20100014605 System for multiple use subchannels |
| 01/20/2010 | EP2146462A1 Concentrator for speech telephones and method of communication over LAN using same |
| 01/20/2010 | EP2145462A1 Method, terminal and communication system for verifying call numbers for services of at least one communication network |
| 01/20/2010 | EP1495416B1 Enhanced services call completion |
| 01/20/2010 | EP1266505B1 Text-based communications over a data network |
| 01/20/2010 | CN201388241Y Dual-network total-exchange cable communication system |
| 01/20/2010 | CN201388240Y Dual-network wireless communication system host |
| 01/20/2010 | CN201388239Y Dual-network total-exchange network communication system |
| 01/20/2010 | CN201388238Y Dual-network total-exchange wireless communication system |
| 01/20/2010 | CN201388237Y Dual-network total-exchange communication system host |
| 01/20/2010 | CN201388236Y Dual-network exchange communication device |
| 01/20/2010 | CN201388235Y Dual-network cable exchange communication device |
| 01/20/2010 | CN201388234Y Dual-network cable communication system host |
| 01/20/2010 | CN101631174A Network telephone real-time identification and filtering method based on session initiation protocol |
| 01/20/2010 | CN100584106C Voice communication apparatus |
| 01/20/2010 | CN100584097C User's position information obtaining and transmitting method and network device |
| 01/20/2010 | CN100584057C Method and communication system for automatically discovering the common multimedia service capability |
| 01/20/2010 | CN100584029C Method and arrangement for registering a terminal device on a communications node |
| 01/20/2010 | CN100583982C Ip视频终端及其控制方法 Ip video terminal and controlling method |
| 01/19/2010 | US7650280 Voice packet loss concealment device, voice packet loss concealment method, receiving terminal, and voice communication system |
| 01/19/2010 | US7649986 Automated electronic telecommunications order translation and processing |
| 01/19/2010 | US7649877 Mobile device for sending text messages |
| 01/19/2010 | CA2485626C Network, private branch exchange, and pbx additional service starting method |
| 01/14/2010 | US20100011108 Method, system and apparatus for causing a communication device to join a communication session |
| 01/14/2010 | US20100008355 Method And System For Computer-Based Private Branch Exchange |
| 01/13/2010 | EP2143260A1 Telecommunication nodes of sigtran network remaining active in an isolated received state for only receiving traffic related to pre-established or self-initiated sessions |
| 01/13/2010 | CN101626437A Communication system and method of computer network telephone with mixed characters and digits |
| 01/13/2010 | CN100581204C Voice gateway and method for constructing special link from voice gateway |
| 01/13/2010 | CN100581203C Method for changing Blue Tooth password of Blue Tooth wireless voice gateway |
| 01/13/2010 | CN100581198C Method for processing audio data in network and device therefor |
| 01/13/2010 | CN100581189C Gateway device, private branch exchange system, and private branch exchange method |
| 01/12/2010 | US7647382 Instant messaging with caller identification |
| 01/12/2010 | US7647052 Method and gateway for controlling call routing |
| 01/12/2010 | US7646856 Region-wide messaging system and methods including validation of transactions |
| 01/12/2010 | US7646761 Integrating multimedia capabilities with legacy networks |
| 01/12/2010 | US7646743 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 01/12/2010 | CA2477376C System and method for monitoring a packet network |
| 01/07/2010 | US20100002690 Network telephony appliance and system for inter/intranet telephony |
| 01/07/2010 | US20100002648 Method and system for transferring wireless transmit/receive unit-specific information |
| 01/06/2010 | EP2141902A1 Method and device for providing call forwarding service for users |
| 01/06/2010 | EP2141859A1 Shutting down a media gateway controller |
| 01/06/2010 | EP1312229B1 System for media gateway to media gateway address information exchange |
| 01/06/2010 | CN101621595A Telephone outlet with packet telephony adapter, and a network using same |
| 01/06/2010 | CN100579138C Method for establishing a call |
| 01/06/2010 | CN100579087C Device for modem relay channel termination |
| 01/05/2010 | US7643618 Telephone system and method for reliable emergency services calling |
| 01/05/2010 | US7643470 Method and an associated device for setting up a transfer of data between two communications devices |
| 01/05/2010 | US7643466 Method and system for using either public or private networks in 1xEV-DO system |
| 12/31/2009 | US20090323920 System and methods to route calls over a voice and data network |
| 12/31/2009 | US20090323680 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 12/31/2009 | US20090322853 Security monitoring system with flexible monitoring sequence |
| 12/30/2009 | WO2009156408A1 Recovery of information from a telephone terminal via a communication server |
| 12/30/2009 | WO2009156245A1 Methods to route, to address and to receive a communication in a contact center, caller endpoint, communication server, document server for these methods |
| 12/30/2009 | EP2139215A1 Method to route, to address and to receive a communication in a contact center, caller endpoint, communication server, document server for these methods |
| 12/30/2009 | EP2138966A1 Retrieving information from a telephone terminal via a communication server |
| 12/30/2009 | EP2137953A1 Method, apparatus and system for initiating calendar events |
| 12/30/2009 | EP2137924A2 Method and server for routing a call for a first terminal towards a target terminal |
| 12/30/2009 | CN201374730Y Television set |
| 12/30/2009 | CN201370721Y Ward monitoring system with nursing level display function |
| 12/30/2009 | CN101616223A Method for operating distributed voice function in software application program |
| 12/30/2009 | CN100576865C Speed communication system suitable for wide band communication and its telephone set |
| 12/30/2009 | CN100576864C Dynamic registration method of IP extension telephone roaming |
| 12/30/2009 | CN100576863C Dynamic resource management method, and its media gateway and media gateway controller |
| 12/30/2009 | CN100576862C Calling separation and service providing in IP network |
| 12/30/2009 | CN100576860C Ip电话系统 Ip Phone System |
| 12/29/2009 | US7640326 Relaying of message waiting indications to support distributed telephony networks |
| 12/29/2009 | US7640303 Method of, and system for, webcasting with just-in-time resource provisioning, automated telephone signal acquisition and streaming, and fully-automated event archival |
| 12/29/2009 | US7640166 Method for charging on-line directory assistance services |
| 12/29/2009 | US7639793 Method and apparatus for reconfiguring network routes |
| 12/29/2009 | US7639788 Voice over IP method of determining caller identification |
| 12/29/2009 | US7639601 Methods and apparatus for data communication |
| 12/29/2009 | CA2381317C System for providing expanded emergency service communication in a telecommunication network |
| 12/29/2009 | CA2374959C Card type network interface, network conference terminal device and network conference system |
| 12/24/2009 | US20090316878 System and Method of Providing a High-Quality Voice Network Architecture Over IP Centrex |
| 12/24/2009 | US20090316816 Method for multiple use subchannels |
| 12/23/2009 | WO2009154574A1 Internet based communication system and method |