Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
05/2003
05/06/2003US6560327 Method and system for providing telecommunications services using mediated service logic
05/06/2003US6560224 Automatic IP directory number masking and dynamic packet routing for IP phone surveillance
05/06/2003US6560223 Wireless multi-site networking using signaling and voice-over-IP
05/06/2003US6560222 Systems and methods for multiple voice and data communications using intelligently bridged TDM and packet buses and methods for performing telephony and data functions using the same
05/06/2003US6560220 Network access device and telecommunications signaling
05/06/2003US6560216 Data network computing device call processing
05/06/2003US6560214 Noise reduction techniques and apparatus for enhancing wireless data network telephony
05/02/2003EP1307038A2 Call detection and handling in multimedia collaboration system
05/02/2003EP1307012A2 Telecommunication system and method of control of circuit and packet switching
05/02/2003EP1305958A1 Switching method for transmitting useful data packets and associated signaling unit
05/02/2003EP1305957A1 Arrangement for connecting a telecommunications device to a packet-switching communications network
05/02/2003EP1305936A1 Device and method for call diversion in telecommunication networks
05/02/2003EP1305919A1 Method for linking networks of different modes of transmission and associated devices
05/02/2003EP1305918A1 Method for transmitting voice data over different types of networks, and corresponding units
05/02/2003CA2371192A1 Using pstn to convey participant ip addresses for multimedia conferencing
05/01/2003WO2003036973A1 Videoconference system
05/01/2003WO2003036927A1 Method and system for controlling scope of user participation in a communication session
05/01/2003WO2003036909A1 Method for providing call features to an ip endpoint
05/01/2003WO2003036905A1 Method for the transmission of signal tones in heterogeneous networks, device and computer programme product
05/01/2003WO2003036889A1 Communication session quality indicator
05/01/2003WO2003036842A2 Method for controlling traffic in a virtual trunking process via a packet-oriented network
05/01/2003WO2003036506A1 A bridging user agent and a proxy server for supporting network services
05/01/2003WO2003010947A3 Event-related automatic call set-up method
05/01/2003WO2002065742A3 System and method for call forwarding in a communication system
05/01/2003WO2002045399A3 A component for processing ip telephony calls
05/01/2003US20030083101 Mobile terminal device alone and in communication system
05/01/2003US20030081755 Apparatus and method for processing information from a telephone network
05/01/2003US20030081751 Apparatus and method for providing conference call roster information with speaker voice identification
05/01/2003US20030081750 Apparatus and method for transmission and receipt of conference call roster information via the internet
05/01/2003US20030081749 Apparatus and method for transmission and receipt of conference call roster information via a telephone display unit
05/01/2003US20030081593 Method for charging internet phone network
05/01/2003US20030081590 Techniques for providing telephonic communications over the internet
05/01/2003CA2464516A1 Communication session quality indicator
05/01/2003CA2464513A1 A bridging user agent and a proxy server for supporting network services
05/01/2003CA2464296A1 Method for transmission of signal tones in heterogeneous networks, device and computer program product
04/2003
04/30/2003CN1415159A Flexible communications system
04/30/2003CN1414813A Method for determining free tie line in central exchange with multi-user access cell
04/30/2003CA2410151A1 Xdsl splitter module for field wiring cabinet
04/29/2003US6556671 Fuzzy-logic routing system for call routing with-in communication centers and in other telephony environments
04/29/2003US6556669 International origination to domestic termination call blocking
04/29/2003US6556564 Scheduled internet protocol telephone instrument system
04/29/2003US6556563 Intelligent voice bridging
04/29/2003US6556560 Low-latency audio interface for packet telephony
04/29/2003CA2173304C Method and system for establishing voice communications using a computer network
04/24/2003WO2003034703A1 Method for establishing a communication link between subscriber stations of a switching system which comprises two communication networks
04/24/2003WO2003034692A2 Telephonic addressing for establishing simultaneous voice and computer network connections
04/24/2003WO2003034235A1 Dataconferencing method, appliance, and system
04/24/2003WO2003009095A3 Broadband communication gateway capaple of operating in differing environments
04/24/2003WO2003003679A3 Telephone central office switch interface with messaging channel for integrating the pstn with the internet
04/24/2003WO2002082782A3 System and method for intercepting telecommunications
04/24/2003WO2002075495A3 Channels identification method based on communication participants' preferences
04/24/2003WO2002071732A3 Selection of alternative voice connection paths
04/24/2003US20030079034 System controlling or monitoring communications installation using at least two applications
04/24/2003US20030076944 Method for signaling an incoming call
04/24/2003US20030076942 Method for signaling and processing incoming calls for a call center
04/24/2003US20030076941 System and method for restricting and monitoring telephone calls
04/24/2003US20030076936 Call monitoring apparatus and method therefor
04/24/2003US20030076836 Establishment of a connection, alternately via a telephone network or the internet
04/24/2003US20030076820 Signaling method for transmitting working data over different types of data transmission networks
04/24/2003US20030076819 Integrating the internet with the public switched telephone network
04/24/2003US20030076817 Apparatus and method for interfacing internet telephone
04/24/2003US20030076815 Voice over IP architecture
04/24/2003US20030076808 System and method for mobile computing device registration with a service node
04/23/2003EP1304855A2 Arrangement for controling and/or monitoring an telecommunications exchange by at least two applications
04/23/2003EP1304845A1 Method, device and computer program for transmission of signal tones in heterogeneous networks
04/23/2003EP1304831A2 Monitoring and transmission of QoS-data in a telecommunication network
04/23/2003CN1413333A Combining internet protocols for session setup, teardown, authentication, authorization and accounting using differentiated services model
04/23/2003CN1412983A Network telephone switching system and calling control method thereof
04/23/2003CN1412982A Calling processing message converter for network telephone switching system and its method
04/23/2003CN1412981A Method and device for supplying station group in network telephone switching system
04/22/2003US6553232 System and method for calendar-based cellular smart switching
04/22/2003US6553220 Data network command packet and telephone network call integration in enhanced services system
04/22/2003US6553117 Programmable multiple-standard digital communications system
04/22/2003US6553102 System and method for fully integrating multiple business telephone systems with a single voice mail system
04/22/2003US6553025 Multiple routing and automatic network detection of a monitored call from an intercepted targeted IP phone to multiple monitoring locations
04/22/2003CA2323908C Methods for processing operator services system calls
04/22/2003CA2300587C Method of providing transfer capability on web-based interactive voice response services
04/17/2003WO2003032654A1 Signalling method and arrangement
04/17/2003WO2003032615A1 Method and device for signalling a codec negotiation over heterogeneous signalling networks
04/17/2003WO2003032563A1 Systems and methods for automatic evaluation of subjective quality of packetized telecommunication signals while varying implementation parameters
04/17/2003WO2002075497A3 Methods and apparatus for delivering multimedia communications services to multiple tenants in a building
04/17/2003WO2002049316A3 System and method for assisting in controlling real-time transport protocol flow through multiple networks
04/17/2003US20030074478 Media gateway
04/17/2003US20030074198 System and method for integrating the visual display of text menus for interactive voice response systems
04/17/2003US20030072429 Dataconferencing appliance and system
04/17/2003US20030072330 Internet protocol telephony exchange system and call control method thereof
04/17/2003US20030072302 Calling method, calling terminal and calling system through information and communication network
04/17/2003US20030072301 Call processing message converter and message converting method in internet protocol telephony exchange system
04/17/2003US20030072300 Method and apparatus for serving of station group in internet protocol telephony exchange system
04/17/2003US20030072298 Dataconferencing method
04/16/2003EP1303122A2 Method for driving a visualization device and associated elements for a terminal equipment
04/16/2003EP1303118A1 Method to establish a communication link between subscriber stations of a switching system comprising two communication networks
04/16/2003EP1303095A1 Interception of a communications session between two nodes
04/16/2003EP1302061A1 Fuzzy-logic routing system for call rouging with-in communication centers and in other telephony environments
04/16/2003EP1232616A4 A method and system for releasing a voice response unit from a protocol session
04/16/2003EP1002396A4 Electronic communications manager
04/16/2003EP0739558B1 Method and apparatus for multiple media digital communication system
04/16/2003CN1411654A Method for directing incoming call
04/16/2003CN1411300A Apparatus and method of providing signal for public and special mobile communication system
04/16/2003CN1411264A Communication method, communication apparatus and communication terminal