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| Number | Title | Issue Date |
| 7974387 | Proactive analysis of communication network problems Customer problem reports are collected and analyzed in order to monitor, analyze, and proactively prevent the same or similar problems from reoccurring in the future. A selection of customer problem reports are received and may be prioritized for analysis. Associate... | 07/05/2011 |
| 7440552 | Fault detection method and apparatus for telephone lines A method and apparatus for detecting faults on a telephone line, the method comprising: comparing measured characteristics of the line with a model, said model modeling expected characteristics of the telephone line; and in response to the comparison, generating a f... | 10/21/2008 |
| 7428300 | Diagnosing fault patterns in telecommunication networks The disclosed methods and systems prioritize network devices and components that more likely result in a network outage by evaluating their current and historical outage information relative to a dynamically-generated, statistical threshold based on such outage info... | 09/23/2008 |
| 7418083 | Telecommunications line parameter estimation A fault location system for a telecommunications network including a local exchange or switch, a node such as a primary connection point and a plurality of line terminations to the customer includes probability calculation to establish the location of a fault measur... | 08/26/2008 |
| 7400710 | MIMO dynamic PSD allocation for DSL networks A system and method for multiple inputs, multiple outputs (MIMO) PSD allocation in a DSL system is disclosed. In some embodiments, the method may comprise monitoring system performance by performing a multi-ended line test (MELT), processing the MELT and allocating ... | 07/15/2008 |
| 7388945 | Method and system for determining data transfer margins for network connections Method and system for determining data transfer margins and/or bit rates for network connections, the physical length of a network connection between a transmitter and receiver being known. A power spectrum is measured depending upon transfer frequency for possible ... | 06/17/2008 |
| 7359330 | Fault location on a telecommunications network A fault location system for a telecommunications network including a local exchange or switch, a node such as a primary connection point and a plurality of line terminations includes probability calculation to establish the location of a fault measured from the exch... | 04/15/2008 |
| 7333593 | Digital loop carrier module for proactive maintenance application Methods and systems for proactively maintaining Digital Loop Carriers and a telephone system local loop. One embodiment for proactively maintaining a Digital Loop Carrier in a telephone system local loop includes communicating with a communications network and acqui... | 02/19/2008 |
| 7305466 | Network fault isolation Techniques are provided for improved fault isolation and fault reduction. A system for use with a data network includes multiple diagnostic units each adapted to communicate with the network including to a network user. A central controller is operatively connected ... | 12/04/2007 |
| 7286646 | Subscriber line validation of a telephone network A method of validating connection data for a node of a telephone network involves processing a report file for terminal pairs at a network node. The records in the report file are divided into three categories in dependence on the nature of the information in each r... | 10/23/2007 |
| 7272209 | Automated DSL performance adjustment The present application discloses an automated digital subscriber line performance control system comprising a computer system including a logic module to evaluate performance of a plurality of DSL lines and to automatically select a set of DSL lines from the plural... | 09/18/2007 |
| 7240096 | System and method for providing service technicians access to dispatch information A secondary source of dispatch information is provided in the event of a failure of a primary source of dispatch information. The second source of dispatch information can be accessed electronically by service technicians in the field when the primary source of disp... | 07/03/2007 |
| 7231316 | Method for performing a hazard review and safety analysis of a product or system A method for analyzing a system for safety to personnel or other systems is disclosed comprising: identifying at least one operating parameter of a first subcomponent of said product; identifying an inherent hazard of said first subcomponents based on an analysis of... | 06/12/2007 |
| 7162011 | Method and device for measuring the quality of a network for the transmission of digital or analog signals A method for measuring a quality of a line network using an in-service non-intrusive measurement device monitoring of live traffic measurement process includes determining reference values of parameters of the in-service non-intrusive measurement process for a conne... | 01/09/2007 |
| 7076374 | Methods and systems for detecting and locating damage in a wire Methods, systems, and articles of manufacture consistent with the present invention provide for identifying and locating wire damage on a wire. Broadband impedance phase and magnitude information for the wire is obtained. Potential wire damage on the wire is identif... | 07/11/2006 |
| 7062264 | Network testing systems A method of testing a digital mobile phone network such as a GPRS or 3G network comprises creating test traffic using an unmodified test mobile phone coupled to a computer, and using the computer to measure a parameter associated with the network's response to the t... | 06/13/2006 |
| 7050547 | Digital loop carrier module for proactive maintenance application Methods and systems for proactively maintaining Digital Loop Carriers and a telephone system local loop. One embodiment for proactively maintaining a Digital Loop Carrier in a telephone system local loop includes communicating with a communications network and acqui... | 05/23/2006 |
| 6996210 | System of operating a telecommunications contracting company Systems of operating a telecommunications contracting company are described herein. The systems generally includes introducing a business structure to the telecommunications contracting company, introducing field operations to the telecommunications contracting comp... | 02/07/2006 |
| 6987837 | Close-out test system The invention is a method and system conducting a completion test on a communications line. The system includes a testing device coupled to a remote device by a network. Line-test results are received from the testing device and made available to various client devi... | 01/17/2006 |
| 6950497 | Fault location in a telecommunications network A fault is located along a telecommunications line between the network terminating equipment and the local exchange by measuring a change in the capacitance of the line when compared with the capacitance under normal operating conditions. A geographical information ... | 09/27/2005 |
| 6947857 | Optical sequence time domain reflectometry during data transmission A method and system for performing sequence time domain reflectometry over a communication channel to determine the location of line anomalies in the communication channel is disclosed. In one embodiment, the system generates a sequence signal and transmits the sequ... | 09/20/2005 |
| 6934655 | Method and apparatus for transmission line analysis A method and system for performing sequence time domain reflectometry to determine the location of line anomalies in a communication channel is disclosed. In one embodiment, the system generates a sequence signal and transmits the sequence signal over a channel that... | 08/23/2005 |
| 6917669 | Processes and systems for managing testing of communications systems Processes and systems are disclosed for managing a request for a test of a communication system. One embodiment communicates with a communications network and acquires the request. The request may be annotated with at least one of a date, a time, and an origin of th... | 07/12/2005 |
| 6870900 | Proactive maintenance application Methods and systems for proactively maintaining a telephone system local loop. One embodiment includes acquiring at least one type of information selected from the group consisting of information from a Dynamic Network Analyzer and information from a Loop Facilities... | 03/22/2005 |
| 6836893 | Data driven communication system A data driven communication system has three layers consisting of destination, people or network nodes, and devices. Software agents represent the entities of these layers and relationships between agents are defined by policies or chains of policies. These relation... | 12/28/2004 |
| 6819746 | Expert system for loop qualification of XDSL services A technique for qualification of loops for new digital subscriber line services (DSL) involves use of an expert system, such as a neural network. A database of loop characteristic information and performance data enables the expert system to train or learn how to pr... | 11/16/2004 |
| 6771739 | Pressure alarms and reports system module for proactive maintenance application Methods and systems for proactively maintaining a telephone system local loop. One embodiment includes communicating with a communications network and acquiring information associated with pressure or flow sensors along fiber optic cables. Proactive maintenance of t... | 08/03/2004 |
| 6765988 | Automated dispatching from a telephone cable air pressure monitoring system A method and system are provided for automating the dispatching of maintenance services from a telephone cable air pressure monitoring system. If air pressure maintained in a telephone cable conduit drops below a required level, an alarm may be generated at an air p... | 07/20/2004 |
| 6757357 | Failure response procedure and system A failure response method is provided. The method includes preparing a bridge having an address of a telecommunication system for common access by a predetermined group of resources, sending an alpha communication communicating the telecommunication system address t... | 06/29/2004 |
| 6614882 | Proact module for proactive maintenance application Methods and systems for proactively maintaining a telephone system local loop. One embodiment includes communicating with a communications network and acquiring status information associated with telephone lines. Proactive maintenance is predicted using u... | 09/02/2003 |
| 6611579 | Method for predicting and diagnosing trouble in a connection having a plurality of components A computer-executable method for diagnosing trouble causes in telephone cable segments when trouble data are available only for entire cables is presented. This method diagnoses problems in the components of processes when the component location of proces... | 08/26/2003 |
| 6577711 | Methods for detecting defective communications lines Methods and apparatus are disclosed for identifying defective communications lines. The method generally involves passively detecting signals symptomatic of and generated by a defective communications line rather than by a user accessing a communication n... | 06/10/2003 |
| 6389112 | Method and apparatus for on-line monitoring of telecommunication network switches Method and apparatus for on-line monitoring of a telecommunications network comprised of first and second switches. Data is collected at each of the first and second switches and transferred to a central data processing unit. The collected data for each o... | 05/14/2002 |
| 6356622 | System and apparatus for enhancing a network link A system for providing robust and secure communications connections in a telecommunications network is disclosed. The system includes an apparatus supporting functions directed to the establishment of a backup link in the event of a network fault, securit... | 03/12/2002 |
| 6301336 | Method and apparatus for testing components in a communications system A method and apparatus for testing network elements within a communications system. A test is initiated at a data processing system located at a first site by the selection of one or more network elements for testing. In initiating the test, a communicati... | 10/09/2001 |
| 6292539 | Method and apparatus for digital subscriber loop qualification A system and methodology for qualifying a twisted pair copper loop for digital subscriber loop services are described. The system automatically queries telecommunications provider database records and/or requests measurements from network switching equipm... | 09/18/2001 |
| 6026145 | Method and apparatus for fault segmentation in a telephone network An automated telephone line test system that is well suited for determining the location of faults within a telephone network. The telephone line test system uses time domain reflectometry to aid in locating the faults. The time domain reflectometry unit ... | 02/15/2000 |
| 5699402 | Method and apparatus for fault segmentation in a telephone network A line test system for diagnosing and segmenting faults in a switched telephone network. The system includes a remote measurement unit installed at a switch and a test system controller. The test system controller stores data about operating parameters of... | 12/16/1997 |
| 4516070 | Magnetic current sensor with offset and load correction A mechanized system distributing the access, test and communication functions to the point of testing, typically the centralized switching facility serving the telephone loops and equipment to be tested. Computer (200) stores information about each subscr... | 05/07/1985 |
