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)
05/2003
05/28/2003EP0795260B1 Atm-cells jitter reducing process
05/28/2003CN2553573Y Bus interface device for intelligent local area network system
05/28/2003CN2553572Y Recreational device for supporting network medium issue
05/28/2003CN1421106A Method for enabling receipt of packet-switched page by mobile station
05/28/2003CN1421104A Method for providing IP telephony with qualicy of service using end-to-end PSVP signaling
05/28/2003CN1421103A Method for providing IP telephony with qualicy of service using end-to-end PSVP signaling
05/28/2003CN1421091A Methods for providing prepaid telephony service via internet protocol network system
05/28/2003CN1421084A Method for enabling mobile station to receive circuit-switched page
05/28/2003CN1421083A Internet protocol telephony voice/video message deposit and retrieval
05/28/2003CN1421082A Method and communication system for managing communication network
05/28/2003CN1421081A Method and system for dynamic gateway selection in IP telephony network
05/28/2003CN1421080A Sychronization of session keys
05/28/2003CN1421079A Method and system for discarding and regenerating acknowledgment packets in ADSL communications
05/28/2003CN1421077A Methods for implementing talkgroup call in multicast IP network
05/28/2003CN1421076A Method for equalizing propagation delays and optimizing power level in radio communication system
05/28/2003CN1421074A Channel encoding and decoding method and apparatus
05/28/2003CN1421008A SIP-based feature control
05/28/2003CN1420695A Communication device and method for communication in digital mobile network
05/28/2003CN1420668A Client terminal real time transmission protocol of small apparatus
05/28/2003CN1420667A Apparatus and method for effective transmitting and receiving multipoint sending data
05/28/2003CN1420666A Message package communication device, system and module, data processor and transport system
05/28/2003CN1420665A Packet sending device and packet sending processing method
05/28/2003CN1420664A Network transfer system and transfer method
05/28/2003CN1420662A Apparatus and method for service control of undetermined bit rate service in ATM exchange station
05/28/2003CN1420661A Controller
05/28/2003CN1420660A 网络系统 Network Systems
05/28/2003CN1420658A Household network system
05/28/2003CN1420657A Method and device for transmission of variable length frame for passive optical network
05/28/2003CN1420656A Adaptive data acquisition for network or service managing system
05/28/2003CN1420645A Method for detection communication speed of apparatus by received information
05/28/2003CN1420433A System and method for opening transaction account over network
05/28/2003CN1110221C Home zone service method for mobile telephone subscribers in mobile radio communication system
05/28/2003CN1110210C Route finding in communications networks
05/28/2003CN1110174C 电信系统 Telecommunications systems
05/28/2003CN1110173C Redundant method for ethernet communication
05/28/2003CN1110172C Intelligent digit complex-connection system and networking method
05/28/2003CN1110171C Legal interception in telecommunication network
05/28/2003CN1110170C Method and system for managing connection of telecommunication lines
05/28/2003CN1110169C Asymmetric data transmission apparatus and subscriber line connection method therefor
05/28/2003CN1110168C Apparatus with mixed use of wide-band and narrow-band user boards
05/28/2003CN1110167C User terminal adapter for ISDM
05/28/2003CN1110161C System for transmission between base station and exchange center of mobile communication using fixed length cell
05/28/2003CN1109995C Upgrading of synergetic aspects of home networks
05/28/2003CA2532271A1 System for providing direct access to a voice mail system
05/28/2003CA2413118A1 Local area and multimedia network using radio frequency transceivers and coaxial cable
05/28/2003CA2364133A1 Local area and multimedia network using radio frequency transceivers and coaxial cable
05/27/2003US6571313 Memory for information search through prefix analysis, in particular for building routing tables for nodes of high speed communication networks, such as the internet network
05/27/2003US6571303 Communication control method and apparatus utilizing a shared buffer which is shared by a system processor and a communication controller using a virtual address or a real address
05/27/2003US6571301 Multi processor system and FIFO circuit
05/27/2003US6571296 Apparatus and method for hybrid network access
05/27/2003US6571291 Apparatus and method for validating and updating an IP checksum in a network switching system
05/27/2003US6571289 Chained registrations for mobile IP
05/27/2003US6571286 Method and system for enhancing communications efficiency in data communications networks
05/27/2003US6571285 Providing an integrated service assurance environment for a network
05/27/2003US6571280 Method and apparatus for client sided backup and redundancy
05/27/2003US6571272 Method and apparatus for SNA/IP correlation with multiple DSW peer connections
05/27/2003US6571238 System for regulating flow of information to user by using time dependent function to adjust relevancy threshold
05/27/2003US6571234 System and method for managing online message board
05/27/2003US6571221 Network communication service with an improved subscriber model using digital certificates
05/27/2003US6571212 Mobile internet protocol voice system
05/27/2003US6571181 System and method for detecting a device requiring power
05/27/2003US6571140 Service-oriented community agent
05/27/2003US6571136 Virtual network adapter
05/27/2003US6571103 Establishing a communication link
05/27/2003US6571102 Channel management technique for asymmetric data services
05/27/2003US6571101 Method and radio communications system for controlling signaling
05/27/2003US6571095 System and method for providing address discovery of services in mobile networks
05/27/2003US6571093 Methods for providing extended wireless data transport services
05/27/2003US6570965 Configurable telephone line distribution modules for designating primary and secondary telephone lines
05/27/2003US6570945 Reception interface unit in transmission system
05/27/2003US6570913 Method and apparatus for selecting optimum frequency for upstream data transmission in a network system utilizing cable modems
05/27/2003US6570891 Advanced priority statistical multiplexer
05/27/2003US6570890 Method for the transmission and control of audio, video, and computer data over a single network fabric using ethernet packets
05/27/2003US6570887 Method and apparatus employing associative memories to implement message passing
05/27/2003US6570885 Segment-controlled process for controlling castouts from a communication cache in a port in any of multiple nodes in a communications network
05/27/2003US6570884 Receive filtering for communication interface
05/27/2003US6570883 Packet scheduling using dual weight single priority queue
05/27/2003US6570882 Method of managing a queue of digital cells
05/27/2003US6570881 High-speed trunk cluster reliable load sharing system using temporary port down
05/27/2003US6570880 Control data over a ring network
05/27/2003US6570879 Communications system and method of controlling same
05/27/2003US6570878 Network and method for ATM network operations
05/27/2003US6570877 Search engine for forwarding table content addressable memory
05/27/2003US6570876 Packet switch and switching method for switching variable length packets
05/27/2003US6570875 Automatic filtering and creation of virtual LANs among a plurality of switch ports
05/27/2003US6570874 ATM switch
05/27/2003US6570873 System and method for scheduling reservation of traffic with priority
05/27/2003US6570870 Method and system for making a charged telephone call during an Internet browsing session
05/27/2003US6570869 Communicating voice over a packet-switching network
05/27/2003US6570868 System and method for establishing a communication connection
05/27/2003US6570867 Routes and paths management
05/27/2003US6570857 Central multiple access control for frequency hopping radio networks
05/27/2003US6570856 Method of handoff between base stations in a wireless communications system
05/27/2003US6570854 System and method for performing explicit rate marking for flow control in ATM networks using a virtual bandwidth-based methodology
05/27/2003US6570853 Method and apparatus for transmitting data to a node in a distributed data processing system
05/27/2003US6570852 Relay communication system
05/27/2003US6570851 Receiver driven differentiated service marking for unicast and multicast applications
05/27/2003US6570850 System and method for regulating message flow in a digital data network
05/27/2003US6570849 TDM-quality voice over packet
05/27/2003US6570848 System and method for congestion control in packet-based communication networks
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