Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
10/2009
10/28/2009CN101569143A System and method for proxy signaling manipulation in an ip telephony network
10/28/2009CN101568090A Method, system and apparatus for accessing communication features
10/28/2009CN101568049A EPON system, central office (CO) ends equipment and method for realizing voice intercommunication
10/28/2009CN101567948A Codec converter, gateway device, and codec converting method
10/28/2009CN101567947A Circuit generating telephone ring by computer and network telephone system thereof
10/28/2009CN101567946A System and method for integrating and transmitting signal of networking telephone
10/28/2009CN100556056C Call release in communication networks
10/28/2009CN100556032C Conversational bearer negotiation
10/27/2009US7610384 Network telephony appliance and system for inter/intranet telephony
10/27/2009US7610347 System and apparatus for pre-routing network events
10/27/2009US7610055 Synchronizing information across telecommunications terminals for multiple users
10/27/2009US7609830 Method and apparatus for access to dialing plans for users of distinct enterprise networks
10/27/2009US7609828 Telephone terminal, call system and terminal control program
10/27/2009US7609663 Method for establishing a communication connection in a direct communication network
10/22/2009WO2009127509A1 Communication system
10/22/2009WO2009127222A1 Method and system for providing an assessment of communication quality between users
10/22/2009WO2009127147A1 Instant messaging mobile terminal and instant messaging computer voice communication method and system
10/22/2009US20090262921 Unified Services Taxonomy For Converging Network Solution Platforms
10/22/2009US20090262920 Mechanism to resume filter criteria at a specific point
10/22/2009US20090262919 Establishment of a Telephone Based Engagement
10/22/2009US20090262918 Communication control method, communication system and communication controller
10/22/2009US20090262917 Delivery of call data in a communication system
10/22/2009US20090262733 Dynamic call anchoring
10/22/2009US20090262730 Intelligent network and method for providing voice telephony over atm and private address translation
10/22/2009US20090262726 Method, system and apparatus for accessing communication features
10/21/2009EP2111026A1 Accessing communication features
10/21/2009EP2109991A2 Method for optimising the routing of communications between plurality of telephony domains, and corresponding signal, device and computer software
10/21/2009CN201332431Y IP communication switching service device
10/21/2009CN101562667A Coding/decoding conversion control method, media gateway and system under soft switch architecture
10/21/2009CN101562634A Method and system for guaranteeing quality of service of voice over internet protocol
10/21/2009CN100553275C Communication terminal device, communication method and electronic mail server
10/20/2009US7606926 System and method for providing on-line advertising and information
10/20/2009US7606923 Endpoint and method for displaying of SSSP and non-SSSP information
10/20/2009US7606885 Method for, and a topology aware resource manager in an IP-telephony system
10/20/2009US7606859 Multimedia communication system
10/20/2009US7606570 Method and system for extended network access notification via a broadband access gateway
10/20/2009US7606352 Method and system of processing messages
10/20/2009US7606217 System and method for routing telephone calls over a voice and data network
10/20/2009US7606216 Device for the packet-based access of classical ISDN/PSTN subscribers to a switching system
10/15/2009WO2009125920A1 Point-to-multipoint network system using a phone line
10/15/2009US20090257430 Method and System for Preventing Data Loss in a Real-Time Computer System
10/14/2009EP2109325A1 A message processing system,device and method
10/14/2009CN101557495A Bandwidth control method of video conferencing system
10/14/2009CN101557447A VOIP/PSTN telephone line switcher
10/14/2009CN101557446A Micro computer system with integration of three networks
10/14/2009CN101557445A Analog processing device for data transmission device
10/14/2009CN101557441A Method and device for call filtering
10/14/2009CN101557438A Electric quantity indicating method of reserve power supply and communication device
10/14/2009CN101557326A Session initiation protocol call real time identifying and filtering method based on one-way flow
10/14/2009CN101557297A Internet-based open telecommunication service generation system and method thereof
10/14/2009CN100550949C Analog service implementing method, system and intercommunication control unit
10/14/2009CN100550890C System and method for routing voice over IP calls
10/14/2009CN100550720C Clock synchronisation over a packet network
10/14/2009CN100550712C Method and device of signal processing
10/13/2009US7603486 Network management system providing logic signals over communication lines for detecting peripheral devices
10/13/2009US7603412 System and method for collaborating using instant messaging in multimedia telephony-over-LAN conferences
10/13/2009US7602891 System and method for determining characteristics of international calls
10/13/2009US7602766 Method and apparatus for automatic network connection between a small business and a client
10/13/2009US7602704 System and method for providing fault tolerant IP services
10/13/2009CA2470226C Voip system, voip server and client, and multicast packet communication method
10/08/2009WO2009101191A3 Control of supplementary services such as call hold for sip phones via pc
10/08/2009US20090254665 Trigger-Based Session Completion Using External Parties
10/08/2009US20090252310 Dial Up Telephone Conferencing System Controlled by an Online Computer Network
10/08/2009US20090252136 System and method for efficiently routing information
10/08/2009DE10296499B4 Verfahren, Gateway und System zum Routen von SS7-Signalisierungsverkehr Method, gateway and system for routing SS7 signaling traffic
10/07/2009EP2107776A1 Message storage and delivery system
10/07/2009EP2107768A1 Intelligent softphone interface
10/07/2009EP1332604B1 Method for controlling announcements and interactive responses in an exchange
10/07/2009CN201323605Y RS485 interface caller ID display embedded type device
10/07/2009CN101553047A ROIP radio station transmission terminal device and transmission method
10/07/2009CN101552972A Method and system for supporting urgent service
10/07/2009CN101552967A Calling method, system, service device and terminal
10/07/2009CN101552848A Session method and apparatus based on session initiation protocol
10/07/2009CN101552847A Software scheduling system based on VOIP
10/07/2009CN101552846A Method and device for processing dialing information in media stream
10/07/2009CN101552844A Method for searching and directly dialing called telephone number at network end
10/07/2009CN101552821A Method and device generating and using the phonetic alphabet expression of the name of calling party
10/07/2009CN101552820A Network telephone system and network telephone operating method
10/07/2009CN101552767A Method, device and system for processing signal tone in media stream
10/06/2009US7600032 Temporal drift correction
10/06/2009US7599481 Methods, systems, and products for providing a service to a telephony device
10/06/2009US7599477 Telephone system using one or several micro-computers
10/06/2009US7599354 Architecture and method for rapid development and implementation of voice over IP features
10/06/2009US7599352 Method for providing PSTN/ISDN services in next generation networks
10/06/2009US7599351 Recursive query for communications network data
10/06/2009US7599350 Packet prioritizing voice over packet network phone and system
10/06/2009US7599339 Method and system for transferring wireless transmit/receive unit-specific information
10/06/2009US7599323 Multi-interface mobility client
10/01/2009WO2007103079A3 Methods and apparatus to perform parallel ringing across communication networks
09/2009
09/30/2009EP2106114A1 IP telephone device
09/30/2009EP1786162B1 Method for the calling user terminal listening to the signal tone of the called user terminal when inter-networking
09/30/2009EP1530870B1 System and method for providing fault tolerant ip services
09/30/2009EP1131925B1 Messaging platform
09/30/2009EP1044569B1 High speed ss7 signaling adaptation device
09/30/2009CN201319631Y Voice gateway
09/30/2009CN101547417A Network-type taxi calling system
09/30/2009CN101547415A System and method for establishing an outgoing gsm call as an enterprise call in ims condition
09/30/2009CN101547271A Network telephone with multiple angle remote monitoring value-added function
09/30/2009CN101547270A Network telephone with POS machine function
09/30/2009CN101547269A Calling control method and voice terminal
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