Patents for H04L 12 - Data switching networks (448,999)
06/2001
06/26/2001US6252532 Programmable compensation and frequency equalization for network systems
06/26/2001US6252517 System and method for the transmission of voice messages as code over a wireless messaging network
06/26/2001US6250557 Methods and arrangements for a smart card wallet and uses thereof
06/26/2001CA2296181C System for providing a directory of av devices and capabilities and call processing such that each participant participates to the extent of capabilities available
06/26/2001CA2199360C Method and apparatus for electronic distribution of digital multi-media information
06/23/2001CA2329112A1 Method and apparatus for public key management
06/23/2001CA2321387A1 Method and apparatus for establishing dedicated local area network (lan) connections in an optical transmission network
06/23/2001CA2311078A1 Multithreaded address resolution system
06/23/2001CA2297596A1 Method and system for reusing internet-based applications
06/23/2001CA2293765A1 Internet access server
06/23/2001CA2293100A1 Method and system for enabling remote access to a data network
06/22/2001CA2329380A1 Data recording apparatus and data recording method
06/22/2001CA2327833A1 A method of managing one or more services provided over a communications network
06/22/2001CA2310872A1 Automatic protection switching using link-level redundancy supporting multi-protocol label switching
06/21/2001WO2001045455A1 Leg-wide connection admission control
06/21/2001WO2001045451A1 Four-fiber ring optical cross-connect system using 4x4 switch matrices
06/21/2001WO2001045448A1 Method of configuring an interface between a serving gprs support node (sgsn) and a base station system (bss)
06/21/2001WO2001045445A1 Dynamic channel allocation method based on priority
06/21/2001WO2001045439A2 System and method in a gprs network for interfacing a base station system with a serving gprs support node
06/21/2001WO2001045437A1 A node belonging to multiple clusters in an ad hoc wireless network
06/21/2001WO2001045406A1 Network-based talk show system
06/21/2001WO2001045404A1 In-house tv to tv channel peeking
06/21/2001WO2001045377A2 Method for transmitting data to a telephone terminal unit by analog line and telecommunication hardware implementing said method
06/21/2001WO2001045357A1 System and method for monitoring network access
06/21/2001WO2001045355A2 Method for measuring and analysing audience on communication networks
06/21/2001WO2001045354A1 Data call routing on ip connections
06/21/2001WO2001045353A1 Method and device for performing of network operations
06/21/2001WO2001045352A2 Method and arrangement for the improved exploitation of technical resources between telecommunications networks and ip-networks
06/21/2001WO2001045351A2 Scalable security for groups in a virtual private network
06/21/2001WO2001045348A2 Bridge for can to tcp/ip connection
06/21/2001WO2001045347A2 SYSTEM AND METHOD FOR AUTOMATICALLY CONFIGURING NETWORK SERVICE ENTITY IDENTIFIERS UTILIZING A Gb-OVER-IP INTERFACE IN A GPRS NETWORK
06/21/2001WO2001045343A2 Anonymity in a presence management system
06/21/2001WO2001045342A2 Presence management system
06/21/2001WO2001045334A1 Backplane architecture for dynamic synchronous transfer mode
06/21/2001WO2001045333A1 Method of configuring an interface between a serving gprs support node and a base station system
06/21/2001WO2001045332A1 Improvements in or relating to internet access
06/21/2001WO2001045331A1 Congestion control method for a packet-switched network
06/21/2001WO2001045330A1 Methods for implementing a talkgroup call with competing sources in a multicast ip network
06/21/2001WO2001045329A1 Gateway and distributed system using the gateway
06/21/2001WO2001045328A1 A method for contention free traffic detection
06/21/2001WO2001045327A1 Information network management system
06/21/2001WO2001045326A2 Method and device for controlling a telecommunication conference
06/21/2001WO2001045325A2 System and method for tuning to an in-band channel and for identification via return-path
06/21/2001WO2001045324A2 System and method for separating addresses from the delivery scheme in a virtual private network
06/21/2001WO2001045323A2 Data transmission apparatus
06/21/2001WO2001045322A2 Presence management system using context information
06/21/2001WO2001045321A2 System for controlling the operation of modules using information transmitted from a control device via a data bus, a trigger device and a test circuit
06/21/2001WO2001045320A2 Method for transmission of an electronic post message
06/21/2001WO2001045319A1 A method and system for establishing a short-range radio link
06/21/2001WO2001045310A1 Methods for implementing a talkgroup call in a multicast ip network
06/21/2001WO2001045291A1 A delay measurement system in a packet network
06/21/2001WO2001045014A1 Method and apparatus for patient monitoring with wireless internet connectivity
06/21/2001WO2001044997A1 Audience measurement in a communication network
06/21/2001WO2001044989A2 Distributed file system including multicast retrieval
06/21/2001WO2001044956A1 Network management and control using collaborative on-line simulation
06/21/2001WO2001044953A1 Method and system for confirming receipt of electronic mail transmitted via a communications network
06/21/2001WO2001044924A2 Scalable distributed management information database
06/21/2001WO2001044891A2 Encapsulation protocol for linking storage area networks over a packet-based network
06/21/2001WO2001044890A2 Sip-based feature control
06/21/2001WO2001044889A2 On-demand web server
06/21/2001WO2001044082A2 Method and system for tracking clustered items
06/21/2001WO2001044012A2 Data exchange on a data bus
06/21/2001WO2001013577A3 Device adapter for automation system
06/21/2001WO2001008366A9 Apparatus and method for media access control
06/21/2001WO2000075802A8 Adaptive and scalable server control
06/21/2001WO2000041074A8 Apparatus and method for dynamically reconfiguring an io device
06/21/2001US20010004745 Apparatus for generating and transferring managed device description file
06/21/2001US20010004744 System and method for pushing information from a host system to a mobile data communication device
06/21/2001US20010004743 Browser-based email system with user interface for audio/video capture
06/21/2001US20010004599 Channel allocation method for radio data calls having different bandwidths
06/21/2001US20010004594 Power management system for use with wireless LAN terminal unit
06/21/2001US20010004366 Communication apparatus, communication method and storage medium
06/21/2001US20010004364 Control interface unit for realizing a simultaneous controlling of at least two logical units and appertaining method
06/21/2001US20010004363 Priority control method
06/21/2001US20010004362 Packet switch and packet switching method
06/21/2001US20010004361 Telephone controller for VoIP
06/21/2001US20010004360 Switching matrix for a communications network
06/21/2001US20010004352 Data communication system, data receiving terminal and data sending terminal
06/21/2001US20010004351 Method for checking the transfer of data cells in an asynchronous switching arrangement, elementary switching unit and network equipped for such a method
06/21/2001US20010004350 Network status reporting method and a communications network
06/21/2001DE19961497A1 Device for monitoring room for acoustic signals has sensor unit designed to automatically establish connection via telecommunications unit to telephone unit when acoustic signal detected
06/21/2001DE19961345A1 Verfahren zur Übertragung von elektronischen Postnachrichten Method for transmission of electronic mail messages
06/21/2001DE19961288A1 Telekommunikationssystem und Vermittlungsanlage dafür Telecommunications system and switching system for
06/21/2001DE19961269A1 Netzwerkknoten zum Vermitteln von digitalen Informationen unterschiedlicher Protokolltypen Network node for switching digital information of different protocol types
06/21/2001DE19959730A1 Bussystem Bus system
06/21/2001DE19959705A1 Transferring data involves transmitting isochronous data in blocks between data controller and bus controller, arbitration of data blocks in bus controller, transfer to another data controller
06/21/2001DE19959545A1 Funkstrecke und Verfahren zu deren Betrieb Spark gap and method for its operation
06/21/2001DE19959179A1 Verfahren zur dynamischen Änderung von Ratenanpassungsfaktoren in einem Funk-Kommunikationssystem A method for dynamic modification of rate matching factors in a radio communication system
06/21/2001DE19958893A1 Verfahren zur Umschaltung zwischen Übertragungskanälen sowie Übertragungsmodul, Ersatzmodul und Ersatzschaltung The method of switching between transmission channels and transmission module, module replacement and spare circuit
06/21/2001DE19940902C1 IC circuit testing device has stored IC circuit type and/or use data fed to display when tested IC is found to be faulty
06/21/2001DE19755382C2 Verfahren zur Behandlung von Fehlermeldungen in Einheiten von Kommunikations- und Datenverarbeitungseinrichtungen Procedures for handling error messages in units of communication and data processing facilities
06/21/2001CA2394599A1 Four-fiber ring optical cross-connect system using 4x4 switch matrices
06/21/2001CA2394361A1 Method and system for tracking clustered items
06/21/2001CA2394317A1 Presence management system using context information
06/21/2001CA2391353A1 Encapsulation protocol for linking storage area networks over a packet-based network
06/21/2001CA2390578A1 Sip-based feature control
06/20/2001EP1109419A2 Frame construction method and device, and data transfer system capable of accommodating STM traffic and best effort traffic in common frame format
06/20/2001EP1109417A1 System and method for unifying the implementation and processing mobile communications and a unified mobility manager for providing such communications
06/20/2001EP1109416A2 System and method for providing packet-switched telephony in a mobile communication network
06/20/2001EP1109413A1 Summary building block, system and method for network management