Patents for H04L 12 - Data switching networks (448,999)
05/2003
05/01/2003CA2464716A1 System and method for token-based ppp fragment scheduling
05/01/2003CA2464622A1 Method and device for authenticated access of a station to local data networks, in particular radio data networks
05/01/2003CA2464516A1 Communication session quality indicator
05/01/2003CA2464505A1 System and method for group video teleconferencing using a bandwidth optimizer
05/01/2003CA2464409A1 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
05/01/2003CA2464317A1 Method and apparatus for transient suppression in an integrated pots/dsl line card
05/01/2003CA2464304A1 Method and apparatus for data packet transport in a wireless communication system using an internet protocol
05/01/2003CA2464114A1 Queuing talk requests in a wireless group dispatch system
05/01/2003CA2464104A1 Mac architecture in wireless communication systems supporting h-arq
05/01/2003CA2463778A1 Station device for a high performance communication system
05/01/2003CA2463743A1 Method for operating an end-user of an isochronous cyclical communication system
04/2003
04/30/2003CN1415177A Method and apparatus for providing mobility within network
04/30/2003CN1415175A System and method for switching media packets for packet-based communication in mobile communications network
04/30/2003CN1415174A Crossbar integrated circuit with parallel channels for communication device
04/30/2003CN1415170A Method for downloading data preceded by information signals
04/30/2003CN1415169A Transmission apparatus using wired TV network
04/30/2003CN1415159A Flexible communications system
04/30/2003CN1415152A Method for implementing multimedium messaging service, multimedia messaging system, server of multimedia messaging system and multimedia terminal
04/30/2003CN1415151A Multimedia messaging service
04/30/2003CN1415150A Online aggregation in unified messaging
04/30/2003CN1415149A Forward overrides in packet switch
04/30/2003CN1415148A Method and arrangement in communication network
04/30/2003CN1414796A Radio information inquiry and management system and method
04/30/2003CN1414774A Method of realizing dynamic control of distribution system using state array of time slot
04/30/2003CN1414773A Method of coordinate use of speech sound access equipment and ethernet exchange machine
04/30/2003CN1414771A Digital user line single end frequency response centralized automatic testing method and system
04/30/2003CN1414770A Calling center blended with packet exchange mode and circuit exchange mode
04/30/2003CN1414764A Transmission management device of serve system
04/30/2003CN1414763A Method for using IP protocol transmission packet by telecommunication network
04/30/2003CN1414759A Controlled group broadcasting system and its realizing method
04/30/2003CN1414756A Method of automatic identifying local management interface kind using data terminal equipment
04/30/2003CN1414753A Network organizing method based on multi protocol label exchange virtual private network
04/30/2003CN1414752A Control method of multichannel pronounciation processing chip
04/30/2003CN1414751A Service control network, server, network device, service information distribution method and service information allocator
04/30/2003CN1414750A Method for providing preformance reckon at delay untolerant data service time
04/30/2003CN1414749A Three layer virtual private network and its construction method
04/30/2003CN1414748A Method of effectively obtaining back message using network exchange equipment
04/30/2003CN1414747A Method of implementing base data message receiving
04/30/2003CN1414745A Method of implementing quick route finding based on IP address
04/30/2003CN1414744A Channel combined application timing control method need no timer under asynchronous transmission mode
04/30/2003CN1414743A Method of realizing real time communication between digital communication network and public telephone network using speech sound card
04/30/2003CN1414742A Method of isolating user in radio local network
04/30/2003CN1414741A Radio local network clock synchronization method and medium access controller
04/30/2003CN1414740A Centralized management method of local net exchange equipment
04/30/2003CN1414739A Ethernet communication device and method between data processing single board
04/30/2003CN1414738A Treatment method of user's side equipment fault based on U interface in ring network
04/30/2003CN1414737A Method of flow load sharing
04/30/2003CN1414736A Method of implementing quick retransmission and supporting load sharing
04/30/2003CN1414735A Data upgrading method of two-layer exchange equipment
04/30/2003CN1414734A Band ensuring system, interrupt device and network management server
04/30/2003CN1414733A Method and device for providing universal support service system structure for net element
04/30/2003CN1414729A Network speech quality valuator device
04/30/2003CN1414727A Signalling method for inserting media into control entity in block data communication system
04/30/2003CN1414726A Method for transmitting and receiving public information in CDMA communication system
04/30/2003CN1414716A Set-up method of defect maintenance channel based on IPOA channel
04/30/2003CN1414498A Unmanned on duty pagment system and method based on city region network
04/30/2003CN1414481A Data receiving and transmitting processing method based on multibusiness and multichannel
04/30/2003CN1414443A Equipment control system
04/30/2003CN1414345A Automatic routing method of radio meter data recording system
04/30/2003CN1414344A Interact relaying method used for radio meter data recording system
04/30/2003CN1414343A Method used for intiating radio meter data recording system
04/30/2003CN1107408C Device and method for generating digital inaction image file from digital mobile image
04/30/2003CN1107400C Device and method for outside access to computer resources through firewall
04/30/2003CN1107397C Method for protocol superposition establishing network for asynchronous transmission model and international interconnected network
04/30/2003CN1107396C Electronic arrangement and communication control method therefor
04/30/2003CN1107390C 多路接入电信网络 Multiple access telecommunication network
04/30/2003CN1107268C Method and apparatus for synchronizing implementation of configuration information in communication system
04/29/2003US6557112 QOS protection system
04/29/2003US6557111 Multicast-enhanced update propagation in a weakly-consistant, replicated data storage system
04/29/2003US6557110 Channel-to-channel skew compensation apparatus
04/29/2003US6557101 Methods and apparatus for upgrading programmable control logic without disturbing network traffic flowing through functional elements controlled by the control logic
04/29/2003US6557067 System and method to effectively compensate for delays in an electronic interconnect
04/29/2003US6557045 Apparatus for editing e-mail address and e-mail apparatus
04/29/2003US6557044 Method and apparatus for exchange of routing database information
04/29/2003US6557041 Real time video game uses emulation of streaming over the internet in a broadcast event
04/29/2003US6557036 Methods and apparatus for site wide monitoring of electronic mail systems
04/29/2003US6557027 System and method for managing on-line discussion having multiple topics in a collaborative data processing environment
04/29/2003US6556996 Service package application and a service activation manager for use with a service control point in an advanced intelligent network
04/29/2003US6556953 Automatic testing of redundant switching element and automatic switchover
04/29/2003US6556825 Method and apparatus for automatic adaptation of communications systems to regional spectrum variations
04/29/2003US6556824 Apparatus, and associated method for controlling service degradation performance of communication in a radio communication system
04/29/2003US6556818 Fixed calling party pays charges
04/29/2003US6556659 Service level management in a hybrid network architecture
04/29/2003US6556616 Data terminal and coding method for increased packet reliability in a frequency hopping system
04/29/2003US6556594 Data multiplexing apparatus, method and system
04/29/2003US6556590 Apparatus and methods for transmitting an MPEG-information signal and a method for reproducing that signal
04/29/2003US6556589 Network transceiver for steering network data to selected paths based on determined link speeds
04/29/2003US6556587 Update of header compression state in packet communications
04/29/2003US6556586 Messaging system
04/29/2003US6556584 System and method of communicating non-standardized addresses over a standardized carrier network
04/29/2003US6556583 Communication system and communication control method
04/29/2003US6556582 Systems and methods for collision avoidance in mobile multi-hop packet radio networks
04/29/2003US6556580 Multi-function transmit packet buffer
04/29/2003US6556579 Method and apparatus for detecting duplicate buffers in a descriptor based multi-port queue
04/29/2003US6556578 Early fair drop buffer management method
04/29/2003US6556577 Architecture for lightweight signaling in ATM networks
04/29/2003US6556576 Local area network with a bridge terminal for transmitting data between a plurality of sub-networks
04/29/2003US6556575 Broadcast traffic reduction in a communications network
04/29/2003US6556574 Duplicate ignore delay timer for ARP like protocol messages using are protocol
04/29/2003US6556573 Synchronization of ATM-based network system using variable bit rate ATM adaptation layer protocols