Patents for H04L 12 - Data switching networks (448,999)
08/2002
08/21/2002EP1233570A1 Method and system for establishing a wireless communications link
08/21/2002EP1233339A2 Mobile agent transfer system, method and program for portable devices
08/21/2002EP1233337A2 Peripheral devices which manage application upload to computing devices
08/21/2002EP1232662A1 Transfer of security association during a mobile terminal handover
08/21/2002EP1232655A1 METHOD FOR PROVIDING IP TELEPHONY WITH Q o?S USING END-TO-END RSVP SIGNALING
08/21/2002EP1232648A2 Methods for providing prepaid telephony service via an internet protocol network system
08/21/2002EP1232642A1 Voice and data exchange over a packet network
08/21/2002EP1232640A1 Virtual pbx system
08/21/2002EP1232636A1 Method and apparatus for impairment diagnosis in communication systems
08/21/2002EP1232630A1 Method for content distribution to a network client
08/21/2002EP1232628A2 Performance enhancing proxy and method for enhancing performance
08/21/2002EP1232627A1 Method and system for controlling transmission of packets in computer networks
08/21/2002EP1232626A2 Testing of access security of computers on a data communication network
08/21/2002EP1232616A1 A method and system for releasing a voice response unit from a protocol session
08/21/2002EP1232615A2 Data transmission
08/21/2002EP1232614A2 Wireless network employing node-to-node data messaging
08/21/2002EP1232613A2 Communication system
08/21/2002EP1232612A1 Table lookup mechanism for address resolution in a packet network switch
08/21/2002EP1232611A1 Method and apparatus for network controlled handovers in a packet switched telecomunications network
08/21/2002EP1232610A1 Systems and methods for dynamic bandwidth management on a per subscriber basis in a communications network
08/21/2002EP1232609A1 Link capacity sharing for throughput-blocking optimality
08/21/2002EP1232608A2 Message handover for networked beacons
08/21/2002EP1232607A1 A wireless apparatus having a transceiver equipped to support multiple wireless communication protocols
08/21/2002EP1232606A2 Method for batchwise exchange of management protocol data units
08/21/2002EP1232605A2 Method and system for management of network domains
08/21/2002EP1232604A2 Serializing data using hazard-free multilevel glitchless multiplexing
08/21/2002EP1232598A2 Backplane syncronization in a distributed system with clock drift and transport delay
08/21/2002EP1232595A1 Moving set data communications
08/21/2002EP1232594A1 Logical addressing of mobile units in a wlan with multicast packet addressing
08/21/2002EP1232592A1 Active-passive flow switch failover technology
08/21/2002EP1232575A1 Apparatus and method for assigning a common packet channel in a cdma communication system
08/21/2002EP1232569A2 Method and apparatus for characterization of disturbers in communication systems
08/21/2002EP1232552A1 Digital testing device
08/21/2002EP1232483A1 Secure transmission and reception for hybrid mail
08/21/2002EP1232458A1 Combining internet protocols for session setup, teardown, authentication, authorization, and accounting using the differentiated services model
08/21/2002EP1232438A2 Method for utilizing concurrent context switching to support isochronous processes
08/21/2002EP1232431A1 System for eliminating unauthorized electronic mail
08/21/2002EP1203327A4 Integrated auction for remote online bidders and live participants at an auction site
08/21/2002EP1185934A4 Internet control system and method
08/21/2002EP1060576A4 Early arbitration on a full duplex bus
08/21/2002EP0868800B1 Method and apparatus for determining the status of a device in a communication network
08/21/2002CN1365583A Automatic frequency allocation (AFA) for wireless office systems sharing the spectrum with public systems
08/21/2002CN1365578A Forming a communication network
08/21/2002CN1365557A 公共电话网 Public telephone network
08/21/2002CN1365553A Method and apparatus for managing polling request in data communications
08/21/2002CN1365469A Method and apparatus for providing a distributed architecture digital wireless communication system
08/21/2002CN1365468A Network addressing system and method using telephone number
08/21/2002CN1365460A Method and system for conferencing
08/21/2002CN1365241A System with information output equipment and mobile communication terminal
08/21/2002CN1365237A Method and device for establishing continuous grouped exchange radio connection
08/21/2002CN1365219A Mobile information terminal device with character mail transmission function
08/21/2002CN1365216A High speed fubber managing system of exchanging data base
08/21/2002CN1365215A Information network terminal device
08/21/2002CN1365213A Electronic mail verifying method and E-mail verifying system using said method
08/21/2002CN1365200A Method and device for setting up containing packet exchange radio connection
08/21/2002CN1365171A Network switching device for uninterruption power supply
08/21/2002CN1089515C Atm本地接入 Atm local access
08/21/2002CA2369277A1 Ring configuration method, failure recovery method, and node address assignment method when configuring ring in network
08/20/2002US6438748 Apparatus and method for conversion of messages
08/20/2002US6438702 Method for providing a precise network time service
08/20/2002US6438632 Electronic bulletin board system
08/20/2002US6438614 Polymorphic token based control
08/20/2002US6438613 Method and apparatus for allowing packet data to be separated over multiple bus targets
08/20/2002US6438608 Declarative message addressing
08/20/2002US6438607 System using ARP or RARP packet for communicating offset address of an application program and computer unique ID of a computer
08/20/2002US6438606 Router image support device
08/20/2002US6438605 Communication equipment, communication route selection method, and computer program product in memory for selecting a communication route
08/20/2002US6438604 Digital video network interface
08/20/2002US6438603 Methods and protocol for simultaneous tuning of reliable and non-reliable channels of a single network communication link
08/20/2002US6438592 Systems for monitoring and improving performance on the world wide web
08/20/2002US6438591 Entity management system
08/20/2002US6438585 System and method for redirecting message attachments between a host system and a mobile data communication device
08/20/2002US6438584 Automatic generation of graphically-composed correspondence via a text email-interface
08/20/2002US6438583 System and method for re-routing of e-mail messages
08/20/2002US6438575 System, method, and article of manufacture for wireless enablement of the world wide web using a wireless gateway
08/20/2002US6438462 Semiconductor circuit for an electronic unit
08/20/2002US6438383 System and method relating to packet data communication
08/20/2002US6438374 Dynamic multi-step overload control for message processing in wireless communication service network
08/20/2002US6438368 Information distribution system and method
08/20/2002US6438231 Emulsion film media employing steganography
08/20/2002US6438220 Method and apparatus for internet-based telephone access to prepaid card and pin systems
08/20/2002US6438215 Method and system for filter based message processing in a unified messaging system
08/20/2002US6438213 Message processing method, device, system and recording medium
08/20/2002US6438146 Multiplexed asynchronous serial communication systems methods and computer program products
08/20/2002US6438143 Image packet communications system
08/20/2002US6438141 Method and management of communications over media of finite bandwidth
08/20/2002US6438138 Buffer controller incorporated in asynchronous transfer mode network for changing transmission cell rate depending on duration of congestion and method for controlling thereof
08/20/2002US6438136 Method for scheduling time slots in a communications network channel to support on-going video transmissions
08/20/2002US6438135 Dynamic weighted round robin queuing
08/20/2002US6438134 Two-component bandwidth scheduler having application in multi-class digital communications systems
08/20/2002US6438133 Load balancing mechanism for a translational bridge environment
08/20/2002US6438132 Virtual port scheduler
08/20/2002US6438131 Low-overhead service specific convergence layer for voice and telephony over packet-based systems
08/20/2002US6438130 Forwarding database cache
08/20/2002US6438129 Restriction of source address look-ups in network
08/20/2002US6438128 Alternate use of data packet fields to convey information
08/20/2002US6438127 Process and apparatus for the operation of virtual private networks on a common data packet communication network
08/20/2002US6438125 Method and system for redirecting web page requests on a TCP/IP network
08/20/2002US6438124 Voice internet transmission system
08/20/2002US6438123 Method and apparatus for supporting header suppression and multiple microflows in a network