Patents for H04L 12 - Data switching networks (448,999)
12/2009
12/16/2009CN100571310C System for unified messaging in inter/intranet telephony
12/16/2009CN100571308C Method for realizing bridged collection of IP multimedia subsystem
12/16/2009CN100571299C Method and system for realizing public telephone exchange network simulation service
12/16/2009CN100571293C Personalized indicating information system and its method
12/16/2009CN100571283C Method and system for node discovery and communications in network
12/16/2009CN100571275C SIP server, terminal device, subscriber information management device and communication control method
12/16/2009CN100571273C Method for ensuring minimum frame missing rate for interoffice route zone updating
12/16/2009CN100571272C Method for increasing LAN communication safety
12/16/2009CN100571265C Method for detecting peer-to-peer file sharing programme
12/16/2009CN100571264C Cross-domain connection method of label exchange virtual dedicated network in multiprotocol
12/16/2009CN100571260C Method and device for implementing preview of multicast service
12/16/2009CN100571258C Method and system for providing a secure communication between communication networks
12/16/2009CN100571256C Method for implementing communication between bandwidth proxy and route within domain
12/16/2009CN100571254C Method and system for connecting mobile client devices to the internet
12/16/2009CN100571253C A method of distributed processing for RTP resource control
12/16/2009CN100571252C Protocol server and method for implementing unification processing of three kinds of protocol short messages
12/16/2009CN100571251C Transmission/reception apparatus, transmission/reception method, and transmission/reception system
12/16/2009CN100571250C Wireless communication system and method to provide geo-spatial related event data
12/16/2009CN100571224C Interconnection arrangement of DWDM ethernet official telephone and circuit switching official telephone
12/16/2009CN100571223C Method for rearranging gateway network element
12/16/2009CN100571222C Network system for implementing fixed-mobile integration in regional environment and its UMA gateway
12/16/2009CN100571221C Apparatus and method of communication conversation for restoring wireless network gate
12/16/2009CN100571220C Mail severs, mobile communication system and program thereof
12/16/2009CN100571219C A load sharing router and device and method for load sharing
12/16/2009CN100571218C Method and equipment of implementing stream conversion
12/16/2009CN100571217C Method, transmitting/receiving device and system against lost packet in data transmission process
12/16/2009CN100571216C Network access control method and system
12/16/2009CN100571215C Method for maintaining the network communication and network element device
12/16/2009CN100571214C Double-stack support extension method of layer mobile IPv6 protocol
12/16/2009CN100571213C Dynamic rerouting and document scheduling method for large document transfer
12/16/2009CN100571212C Control method and control system to improve network fax dependability
12/16/2009CN100571211C Device and method for multi business multiplexing same data link connection identifier
12/16/2009CN100571210C IPv4/IPv6 double stack IP-DSLAM system and realizing method
12/16/2009CN100571209C A method for regulating the link loads of media gateway control interface
12/16/2009CN100571208C A method for realizing the multicast/broadcast service resource reserve
12/16/2009CN100571207C System and method for clustering RSS information
12/16/2009CN100571206C Base station system in hybrid network and process method of builting, switching and releasing calling thereof
12/16/2009CN100571205C Multicasting service protecting method of access network and its system, apparatus
12/16/2009CN100571204C Method and system for transmitting optional field in data packet
12/16/2009CN100571203C Data business routing method
12/16/2009CN100571202C A data transfer method and transfer system with the route information
12/16/2009CN100571201C Control station apparatus, base station apparatus, terminal apparatus, packet communication system, and packet communication method
12/16/2009CN100571200C Fuzzy PD flow control method for communication network jam control
12/16/2009CN100571199C Household gateway and method for ensuring household network service terminal QoS
12/16/2009CN100571198C Mobile terminal, control device and mobile communication method in common mobile communication network
12/16/2009CN100571197C Periphery devices of service provider of combining network address conversion, and use method of same
12/16/2009CN100571196C Method for realizing mobile IPv6 message crossing firewall
12/16/2009CN100571195C Multiple port ethernet exchanging device and data transmission method
12/16/2009CN100571194C Tag path fast protection switching method and system thereof
12/16/2009CN100571193C Access control for multicast channel request
12/16/2009CN100571192C Method for control of receiving data block at SCTP terminal
12/16/2009CN100571191C VRRP technology keeping VR confidentiality
12/16/2009CN100571190C Apparatus and method for compressing header and multiplying group in network environment
12/16/2009CN100571189C Method for realizing communication between equipments in network
12/16/2009CN100571188C Method for improving treatment efficiency of SSL gateway and SSL gateway
12/16/2009CN100571187C Method of carrying pseudo-line service using multiple packet switching network tunnels
12/16/2009CN100571186C Method for realizing dynamic EVC multiple grain size circuit exchanging network
12/16/2009CN100571185C An edge connection and channel selection method across networks in different management domains
12/16/2009CN100571184C A method for implementing VPN having service quality guarantee
12/16/2009CN100571183C A barrier operating network system, device and method based on fat tree topology
12/16/2009CN100571182C Network processing equipment and network processor
12/16/2009CN100571181C Method and apparatus for removing strict data frame in RPR ring network
12/16/2009CN100571180C Method and apparatus for ensuring Ethernet reliable operation in transmission node fault
12/16/2009CN100571179C Information processing device and network management method
12/16/2009CN100571178C Distributed IPTV system
12/16/2009CN100571177C Method for network building of distributed IPTV system and business implementation method
12/16/2009CN100571176C System, device and method for providing internet printing service on the home network
12/16/2009CN100571175C Band width distribution method and device for wireless communication network
12/16/2009CN100571174C Wireless LAN system, communication terminal, and communications program therefor
12/16/2009CN100571173C Method for detecting network node abnormality
12/16/2009CN100571172C A multi-manufacturer alarm management system and alarm method in telecommunication management network
12/16/2009CN100571171C A method for sub-network connection protection via serial monitoring function
12/16/2009CN100571170C A detection and recovery method for communication link failure
12/16/2009CN100571169C A parallel testing method for digital data network service
12/16/2009CN100571168C Integrated network management data simulator system
12/16/2009CN100571167C Unit detection method and apparatus in Web service business procedure
12/16/2009CN100571166C Measuring method and apparatus based on network analyzer
12/16/2009CN100571165C Automatic discovery method based on topological structure of multi-service transmission looped network
12/16/2009CN100571164C Client terminal system in next generation network system
12/16/2009CN100571163C Upgrade method and system of digital signal processor
12/16/2009CN100571162C A resource acceptance and control method, system and service application system
12/16/2009CN100571161C Method and apparatus for resolving complex implementation procedure
12/16/2009CN100571160C Software upgrade method, device and network element
12/16/2009CN100571159C Method and apparatus for managing multi-work space contents
12/16/2009CN100571158C Method and device for monitoring network quality
12/16/2009CN100571157C A method and system for secure control of mobile station
12/16/2009CN100571156C Method of integrating lower network management function in higher network management
12/16/2009CN100571155C A method for distributing loss and loss distribution server
12/16/2009CN100571154C Method for dynamic synchronization for global data between multi-modules
12/16/2009CN100571153C Method and device for informing change of common route in networked devices
12/16/2009CN100571152C Method for searching network element equipment automatically
12/16/2009CN100571151C Data communication device and data communication method
12/16/2009CN100571150C Method of implementing controllable multicast service
12/16/2009CN100571149C An implementation method for updating conference media type based on session origination protocol
12/16/2009CN100571148C Method and system of interactive seat information under separation framework
12/16/2009CN100571147C Method implementing sub-conference using medium service apparatus
12/16/2009CN100571146C Method, system, and apparatus for enabling collaboration near to real time on electronic document through a plurality of computer systems
12/16/2009CN100571145C Network unit for supporting multicast, receiving device and method for transmitting file
12/16/2009CN100571144C Exchange system and method for realizing global information centralized storing treatment
12/16/2009CN100571143C Cross-network downloading service quality assurance method