|
Match
|
Document |
Document Title |
|
|
6366662 |
System and method for alternative routing of subscriber calls
A method of switching subscriber calls is disclosed that includes receiving a subscriber call request on an access terminal, determining whether the access terminal is in communication with a...
|
|
|
6359857 |
Protection switching trigger generation
A packet based telecommunication system, such as ATM, comprises a main data path and at least one bypass path, for bypassing a portion of the data path, the portion and the respective bypass...
|
|
|
6359909 |
Switch device for relayin G cells or packets on demand
There is provided a switch device in a communication system in which a relay service of a cell or packet is provided on demand. A layer- 3 communication controller performs a signaling control of...
|
|
|
6356562 |
High-speed communications system for providing voice and data services
A high-speed communications system which permits high-speed communication services to be implemented with minimum modification to the existing communications facilities. A multiplexer/demultiplexer...
|
|
|
6351452 |
Telecommunication device with centralized processing, redundancy protection, and on-demand insertion of signaling bits
A telecommunication device for receiving and transmitting DS1 level signals that includes a 1/0 digital cross-connect switch, a GR-303 concentrator, and a frame relay aggregator switch in a single...
|
|
|
6347073 |
Method and system for controlling data transfer between a logical switch set and outside nodes
A plurality of independent control lines are used by I/O modules to determine which switch of a redundant switch set is the active or primary switch. Each line is driven by a different source. Each...
|
|
|
6347138 |
Procedure for ensuring the activation of a V5 interface
The present invention relates to a procedure for ensuring the activation of a V5 interface formed between a local exchange and an access node. According to the invention, the checking of the...
|
|
|
6345049 |
Network system and communication device
A network system of the present invention has a TDM network including TDM switches and an ATM network including communication devices connected the TDM switches. Each of the communication devices...
|
|
|
6343080 |
Devices for switching over electrical connections
A device for switching over hub units is connected to a first hub unit or a second hub unit in an electrically interchangeable manner on one hand, and connectable to a plurality of terminal...
|
|
|
6338156 |
Method and device for detecting the loss-of-signal condition at the input of a transmission line interface
A method of detecting the loss-of-signal condition at the input of a transmission line interface when the input signal is coded. The input signal decoding includes an additional procedure allowing...
|
|
|
6337847 |
Method and architectural model for handling a pool of hardware resources
An architectural model for level 1 ISO-OSI protocol comprises two sublayers, the lowest of them (PHLR) being designed to the control functions of a common hardware platform and the highest (PHLU)...
|
|
|
6332198 |
Network device for supporting multiple redundancy schemes
The present invention provides a method and apparatus for supporting multiple redundancy schemes in a single network device. In one network device, various redundancy schemes are supported...
|
|
|
6327260 |
Controlled routing to a plurality of signaling interfaces at a single telephonic switch
A telecommunication system network having a public telephonic network switch which communicates signaling information in accordance with Signaling System 7 protocol with a signal transfer point. A...
|
|
|
6324161 |
Multiple network configuration with local and remote network redundancy by dual media redirect
A communications configuration comprising a first network medium having a first IP address and a second network having a second IP address. The configuration further includes a first host station...
|
|
|
6314525 |
Means for allowing two or more network interface controller cards to appear as one card to an operating system
The present invention provides a method and an apparatus for allowing a plurality of network interface controllers (NICs) to appear as a single NIC to an operating system. This method and apparatus...
|
|
|
6311288 |
System and method for virtual circuit backup in a communication network
A system and method for the detection of permanent virtual circuit failures in a communication network determines and classifies failures based upon physical or logical criteria. Upon detection of...
|
|
|
6285656 |
Active-passive flow switch failover technology
A network flow switch system that uses an active flow switch and a passive flow switch in conjunction to achieve redundancy or failover. The flow switches switch information between network...
|
|
|
6285687 |
Timing system and method for distributing a timing signal
A timing system for distributing a timing signal includes a master timing system that receives a network timing reference. The master timing system generates a master timing signal from the network...
|
|
|
6278687 |
MA alternate routeing
In a Synchronous Digital Hierarchy (SDH) based communications network comprising a plurality of Intermediate Systems (IS), the IS being divided between at least one IS--IS Area and at least one...
|
|
|
6269076 |
Method of resolving split virtual LANs utilizing a network management system
A method for creating and resolving split VLANs in ATM networks. The method utilizes a Network Management System (NMS) and a standard management protocol such as SNMP. The method monitors the...
|
|
|
6240063 |
3-staged time-division switch control system
A T-S-T 3-staged structure switching network control system in a digital switching system which avoids an entire switching system malfunction even a failure occurred in a space switch module, and...
|
|
|
6212191 |
Method and system for providing security to asynchronous transfer mode emulated local-area networks
A method for providing a security mechanism to an Asynchronous Transfer Mode (ATM) emulated local-area network (LAN) is disclosed. The ATM emulated LAN is served by a LAN Emulation Server (LES), a...
|
|
|
6212160 |
Automated selection of a protocol by a communicating entity to match the protocol of a communications network
A client application (121) is automatically adapted to communicate between its corresponding terminal (107-109) and a server (101) via any communications network (102-104) that supports any of the...
|
|
|
6208616 |
System for detecting errors in a network
A system is described for providing fault tolerance within a computer system. The system provides a method for allowing multiple network interface cards to reside within the same computer system....
|
|
|
6195330 |
Method and system for hit-less switching
A system and method are disclosed for processing digital signals in a telecommunications system that allow hit-less switching between a first digital signal in which a first payload, a first...
|
|
|
6188666 |
Restoration method for multiplexed circuits
Restoration of a multiplexed circuit in a network (10) is effected in accordance with the probability of failure of that circuit determined in accordance with: (1) how many constituent circuits in...
|
|
|
6181676 |
System protection switching
A radio communication network comprising a plurality of communication terminals and a plurality of repeaters intermediate the communication terminals, with wayside communication paths being...
|
|
|
6175565 |
Serial telephone adapter
A serial telephone adapter for connection between a telephone and a personal computer to facilitate voice over computer-based networks such as the Internet. The adapter also includes an interface...
|
|
|
6167025 |
Methods and apparatus for restoring connections in an ATM network
Methods and apparatus for detecting faults and restoring connections in networks including, e.g., ATM networks are described. The restoration methods of the present invention can be applied on an...
|
|
|
6144675 |
Clock regeneration apparatus for synchronous data transmission
A clock regeneration apparatus which regenerates and distributes a timing signal in a synchronous data transmission network. The network is organized by a plurality of transmission units being...
|
|
|
6141318 |
Network design method
A network design method allowing to build, at a low cost, a network which operates properly even upon failure occurs or load variation, satisfying a capacity required by a demand pair. The method...
|
|
|
6134671 |
System and method for dynamically generating restoration routes within a communications network
A system and method is disclosed for dynamically restoring communications within a network following an outage comprising a database containing the configuration of switching elements within the...
|
|
|
6131169 |
Reliability of crossbar switches in an information processing system
An information processing apparatus includes a crossbar switch having a plurality of switching circuits for data transfer; connection lines having address data transfer paths of m-bit unit...
|
|
|
6122753 |
Fault recovery system and transmission path autonomic switching system
Setting of a bypass path upon occurrence of transmission failure, is applicable for large scale network. A system includes signaling means which makes judgment whether bypassing process is...
|
|
|
H001859 |
System and method for controlling redundant components
A system for providing control of redundant components is presented. The system includes two resource modules. The resource module is connected to a data bus, but only the active resource module...
|
|
|
6111852 |
Methods and systems for emergency routing restoration
A method of accomplishing switchover from an inservice local to a remote NP (Network Processor) is described. The remote NP is periodically updated with configuration data obtained from the...
|
|
|
6108300 |
Method and apparatus for transparently providing a failover network device
A system and method are disclosed for transferring a network function from a primary network device to a backup network device. The backup network device first detects that the primary network...
|
|
|
6088329 |
Fault tolerant subrate switching
A plurality of input signals are switched in an apparatus including redundant switching planes and hardware for receiving an output signal from each of the redundant switching planes. Each...
|
|
|
6058182 |
Communications switch permitting transparent maintenance of switch control system
A switch architecture that permits maintenance of switch signaling interfaces in switches for communication networks. The architecture provides a spare switch signaling interface that is enabled...
|
|
|
6055224 |
Method and system for handling telecommunications data traffic
A method and device for (a) generating a constant rate data stream from data, (b) providing, via a termination unit, the constant rate data stream to a router, and (c) assigning an address to the...
|
|
|
6049523 |
System and method for achieving efficient coordination of protection switching
The delineation and quick invocation of protection switching is achieved by generating a protection indicator having an initial state at the point that a transmission facility failure is detected...
|
|
|
6041035 |
Open system modular electronics architecture
A communications, navigation and identification (CNI) avionics system is disclosed. The CNI system includes a first integrated sensor performing a first CNI function and a second integrated sensor...
|
|
|
6031819 |
Method and system of distributed network restoration using preferred routes
A system for establishing a restoral route to bypass a failed component in a communications network. The network has components that include nodes and links. Each link connected to a node is either...
|
|
|
6021111 |
Unit switching apparatus with failure detection
A unit switching apparatus includes first and second current units, a spare unit, and a switching unit. Each of the current units includes a communication circuit for performing communication in...
|
|
|
6018514 |
Apparatus and method for protecting a communication device operating in an undesirable environment
A desirable operating condition is maintained in a communication device (100) that is operating in an undesirable environment by reducing the number of radio frequency signals being amplified and...
|
|
|
6018576 |
Method and apparatus for automated node-based normalization after network restoration
An automated and distributed method and apparatus for normalizing a network after restoration begins with end nodes of the restoral route detecting a clearing of alarms after a failure is repaired....
|
|
|
6005841 |
Redundancy arrangement for telecommunications system
A redundancy arrangement for use in connection with a programmable telecommunications switch or other device. An active hardware device, such as an ISDN packet engine card, is paired with a...
|
|
|
6002665 |
Technique for realizing fault-tolerant ISDN PBX
A technique for realizing a fault tolerance of an integrated services digital network private branch exchange (ISDN PBX), includes: dualizing main control devices of the ISDN PBX into an operating...
|
|
|
5982743 |
Performance monitor system, transmission device and performance monitor method of transmission line
The present invention is a transmission system with a performance monitor function. The system has an end office, an opposite office located opposite the end office and an intermediate office...
|
|
|
5982744 |
High density unit shelf and method
A high density unit shelf (22) is provided for use with a digital switch such as a digital cross-connect system (10). The high density unit shelf (22) provides redundant interfacing capability and...
|