Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 12 - Data switching networks
Patents for H04L 12 - Data switching networks (448,999)
10/2003
10/07/2003CA2202542C Virtual private network
10/03/2003CA2380263A1 A development framework for efficient uniform control of heterogeneous communication networks
10/02/2003WO2003084146A1 System, apparatus and method for wireless mobile communications in association with mobile ad-hoc network support
10/02/2003WO2003081937A1 A method of registering and deregistering a user
10/02/2003WO2003081936A1 Billing in a communication system
10/02/2003WO2003081935A1 Data routing
10/02/2003WO2003081931A1 Control of frame timing on handover
10/02/2003WO2003081927A1 Transmission of speech information in a packet-oriented network
10/02/2003WO2003081925A1 Dynamic channel selection in wireless modems
10/02/2003WO2003081897A1 Facsimile-communicable voip terminal and communication method thereof
10/02/2003WO2003081890A1 Method for billing a communications link between communications terminals
10/02/2003WO2003081888A1 Relay apparatus, communication control method, communication control program, and communication system
10/02/2003WO2003081887A1 Globally unique identification of groups of users in a communications system
10/02/2003WO2003081874A1 Scheduling using quantum and deficit values
10/02/2003WO2003081873A1 Method, system and device for controlling a transmission window size
10/02/2003WO2003081872A1 Apparatus and method for adaptive data transmission
10/02/2003WO2003081871A1 System and method for managing messaging services
10/02/2003WO2003081861A1 Method and system for delivering of messages
10/02/2003WO2003081860A1 Telecommunications apparatus and methods
10/02/2003WO2003081859A1 Method and system for providing network services
10/02/2003WO2003081858A1 Method and apparatus for header compression in a wireless lan
10/02/2003WO2003081857A1 Vlan table management for memory efficient lookups and inserts in hardware-based packet switches
10/02/2003WO2003081856A1 A system, an arrangement and a method relating to ip-addressing
10/02/2003WO2003081854A1 Apparatus and method for receiving packet data control channel in a mobile communication system
10/02/2003WO2003081853A1 Data transmission device, REPEATER device, data transmission/reception device, and data communication method
10/02/2003WO2003081852A1 Virtual trunking over packet networks
10/02/2003WO2003081850A1 Method for operation and monitoring of mpls networks
10/02/2003WO2003081849A1 Self-routing, staff-coupler-based communication network
10/02/2003WO2003081848A1 Ad-hoc control protocol governing use of an unlicensed or shared radio frequency band
10/02/2003WO2003081847A1 Use of membership-free slots for dynamically allocating bandwidth
10/02/2003WO2003081846A1 Radio communication device, radio communication system, radio communication method, and vehicle
10/02/2003WO2003081845A2 Network management system
10/02/2003WO2003081844A1 Method for producing a network-configuration database
10/02/2003WO2003081843A1 Charging in a communications network
10/02/2003WO2003081842A2 Method and system for construction and communication of data on network access and service transactions in a telecommunication network
10/02/2003WO2003081841A1 Remote switching of a communication device in a communication network
10/02/2003WO2003081828A2 Method and apparatus for detecting the presence of a wireless local area network using a position location system
10/02/2003WO2003081827A2 Method and apparatus for indicating the presence of a wlan
10/02/2003WO2003081826A2 Supervisory channel in an optical network system
10/02/2003WO2003081819A1 Information routing device having an auto-configuration feature
10/02/2003WO2003081817A1 METHOD AND APPARATUS PROVIDING MULTIPLE TEMPORARY BLOCK FLOW (TBF) MAPPING TO UPPER LAYER WHEN OPERATING IN GSM/EDGE RADIO ACCESS NETWORK (GERAN) A/Gb MODE
10/02/2003WO2003081810A1 Indoor cdma mobile communication system for simultaneously supplying a traffic signal, control signal and gps signal using a lan cable and control method thereof
10/02/2003WO2003081800A1 Combination of a frequency hopping method and ofdm
10/02/2003WO2003081787A2 Radio frequency identification (rf-id) based discovery for short range radio communication
10/02/2003WO2003081785A1 Physcial layer device having an analog serdes pass through mode
10/02/2003WO2003081556A1 Methods and apparatus for handling information regarding an alarm for a communication network
10/02/2003WO2003081524A1 Method and system to print via e-mail
10/02/2003WO2003081499A1 License management method and license management apparatus
10/02/2003WO2003081481A1 Dynamic hierarchies system and method for thin devices
10/02/2003WO2003081461A1 Search means containing fixed-length addresses generated by a hash function
10/02/2003WO2003081460A1 Method and system of using fixed-length addresses in message routing
10/02/2003WO2003081452A1 Default device configuration system and method for thin devices
10/02/2003WO2003081451A1 Method and apparatus for distributing routing instructions over multiple interfaces of a data router
10/02/2003WO2003081450A1 Method and apparatus for determination of optimum path routing
10/02/2003WO2003081449A1 Videoconference system architecture
10/02/2003WO2003081448A1 Home gateway architecture and state based distributed system and method
10/02/2003WO2003081446A1 Multimedia advertising service through a mobile communication network and multimedia content controlling apparatus and method of a mobile terminal supporting said service
10/02/2003WO2003081444A1 Systems and methods for handling a plurality of communications
10/02/2003WO2003081441A1 Mail distribution system, mail distribution method, mail distribution program, recording medium containing the mail distribution program, and a web site creation support device
10/02/2003WO2003081431A1 Temporary identity for authentication with session initiation protocol__________________________
10/02/2003WO2003081401A2 Method and apparatus for dynamic personal identification number management
10/02/2003WO2003081395A2 Establishing and sharing a virtual change notification list among plurality of peer nodes
10/02/2003WO2003081391A2 Location based service provider
10/02/2003WO2003081383A2 Method and apparatus for indicating the presence of a wireless local area network by detecting energy fluctuations
10/02/2003WO2003081373A2 Service/device indication with graphical interface
10/02/2003WO2003081268A1 System and method for monitoring a packet network
10/02/2003WO2003081267A1 Programmable monitoring circuit
10/02/2003WO2003067837A3 Dynamic host configuration protocol lease time determination
10/02/2003WO2003067365A3 Automated message handling system and process
10/02/2003WO2003058869A3 Receiving streams over asynchronous networks
10/02/2003WO2003056864A3 Downlink access control
10/02/2003WO2003044616A3 Method and system of identifying network services
10/02/2003WO2003039168A3 Enhanced message service comprising identifier and reuse information elements
10/02/2003WO2003038542A3 Customized messaging between wireless access point and services
10/02/2003WO2003030582A3 Device and method for transmitting a plurality of signals by means of multi-stage protocol processing
10/02/2003WO2003030462A3 A label switched communication network and system and method for path restoration
10/02/2003WO2003030452A3 Multicast discovery protocol using tunneling of unicast message
10/02/2003WO2003030448A3 Communications node for circuit-switched and packet-switched services
10/02/2003WO2003026249A3 Calculation of identifier codes
10/02/2003WO2003021797A3 Method and system for simplifying wiring in a modular communications gateway
10/02/2003WO2003017025A3 A method of providing qos and bandwith allocation in a point to multi-point network
10/02/2003WO2003007552A3 Method for dynamically electing the master among computers or stations of a mobile wireless local area network
10/02/2003WO2003003775A3 Software analysis tool for cdma system
10/02/2003WO2003001768B1 Method for automatically controlling paths of information
10/02/2003WO2002103962A3 Wireless communication system
10/02/2003WO2002076033A3 Synchronous, clocked communication system with local input/output components and method for integrating local input/output components into such a system
10/02/2003WO2002073932A9 Method and device for l2tp reconnection handling
10/02/2003WO2002061545A3 Portable computer that can be plugged into a backplane
10/02/2003WO2002056545A3 Branching device for a data bus
10/02/2003WO2002041521A9 Power management for throughput enhancement in wireless ad-hoc networks
10/02/2003WO2001086439A3 Event message endpoints in a distributed computing environment
10/02/2003WO2001080091A3 Navigation server for use with a wireless web access device having a navigation control unit
10/02/2003US20030188252 Apparatus and method for receiving packet data control channel in a mobile communication system
10/02/2003US20030188230 Operation monitoring apparatus and operation monitoring program storage medium
10/02/2003US20030188197 Improper access prevention program, method, and apparatus
10/02/2003US20030188196 E-mail security audit system for company security
10/02/2003US20030188159 Telecommunication system, for example an IP telecommunication system, and equipment units for use in the system
10/02/2003US20030188151 Mailing list server and mail transmission method thereof
10/02/2003US20030188149 Mailing list server and mail re-sending method thereof
10/02/2003US20030188145 Method and system for peripheral device installation
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