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8175223 |
Intelligent self-healing networks and advanced troubleshooting of communication service problems
A problem detection and repair system receives a trouble indication indicating a problem with a network. The trouble indication may be the result of automated monitoring of the network, or a user...
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8159934 |
Reporting dial up access problems using a real-time automated system
A server for automatically handling dial-up connectivity problems via a voice connection can include a controller to interface with a caller during a voice call, query a network operations center...
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8098797 |
Self-service circuit testing systems and methods
In one of many possible embodiments, an exemplary system includes a test management subsystem configured to provide a user portal to a user of a circuit provided by a service provider, the user...
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8081735 |
PSTN VOIP reconciliation
A method for determining if a which node through which a signal is propagated i (e.g., PSTN or VOIP) when the distances from the source to VOIP modem and PSTN connections are both known, the steps...
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8033873 |
Patch cable physical link identification device
A system for locating corresponding ends of a communications or data patch cable used to conduct a signal between computing or telecommunications devices. The invention provides a physical...
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8005132 |
Non-intrusive modem performance analysis
A method of analyzing the performance of a modem connection. The method includes connecting a line interface to a communication link carrying signals of a modem connection, between a pair of end...
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7983670 |
Wireless fallback for subscribers of wirelined networks
Techniques are disclosed for implementing wireless fallback of wireline service. Network interface units [405] may be installed in subscriber buildings in a residential or business neighborhood....
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7882241 |
Communication management apparatus and communication management method
A transmitting/receiving unit receives a SIP signal after occurrence of trouble in a SIP server and outputs a call ID of the SIP signal to a recovery-file searching unit. A session control unit...
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7742577 |
Tone around test adapter
A splicing method and apparatus is provided to facilitate efficient identification of cable wires to be spliced. Multiple wires are coupled to a test circuit, and a test signal is selectively...
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7693042 |
Intelligent presentation network management system
A system and method has been provided for the intuitive management of communication networks including a large number of network elements diffused across large geographical areas. The network...
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7688951 |
Automated rules based proactive alarm analysis and response
Problems are proactively analyzed and responded to as they are detected in a virtual private network (VPN) access path rather than waiting for a user to manually report the problem. When a problem...
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7660394 |
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...
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7660233 |
Reporting dial-up access problems using a real-time automated system
A method for reporting and responding to dial-up connectivity problems can include the step of establishing a voice connection between a caller and an automated response system. The caller can be...
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7542763 |
Provisioning of wireless private access subscribers for location based services
A private wireless network access point is associated with a predetermined telephone number corresponding to a physical location. The associated predetermined telephone number is included with call...
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7539148 |
Circuit integrity in a packet-switched network
Techniques for performing a continuity check operation include sending a pattern of bits over a packet network connection through a first interface on a packet network to a second interface on the...
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7512216 |
Joint fault detection
A method and apparatus for detecting a fault in a joint connecting sections of an electrical transmission line together are disclosed. Previously known methods for detecting joint faults require a...
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7480367 |
Fault characterization using information indicative of echo
A fault associated with a communication medium is analyzed by correlating a first set of information indicative of echo associated with the communication medium with a second set of information...
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7360124 |
Autonomous network fault detection and management system
The invention provides an autonomous geo-referenced fault data detection, storage and management system and method for transmission line network such as cable distribution networks, based on an...
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7302379 |
DSL system estimation and parameter recommendation
Estimates of a communication system configuration, such as a DSL system, are based on operational data collected from a network element management system, protocol, users and/or the like. The...
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7302047 |
Method of detecting remote ground condition
Whether or not protection circuitry for a span-powered remote digital subscriber loop unit is properly connected to earth ground is determined by the deliberate assertion and detection of a ground...
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7295655 |
Systems and methods for determining the status of telephone lines
Systems and methods for detecting a status of a telephone line. Some of the systems include a telecommunications system which comprises a dial tone tester integrated with a demarcation device. Such...
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7116760 |
System and method for single-ended line analysis for qualification and mapping
In a system and method for determining the suitability of a copper pair line for xDSL service use, characteristic parameters of a copper pair line to be tested are measured. These characteristics...
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7039685 |
Method and apparatus for conducting subscriber's phone testing remotely via the internet
An apparatus for and method of remotely controlling electronic devices, such as telecommunication equipment attached to telephone lines, test equipment, and/or home electronics includes a master...
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7023963 |
DSL line card echo canceler-based mechanism for locating telecommunication line fault
A digital subscriber loop line card-installed mechanism conducts parametric measurements on the wireline to which the line card is connected, and adjusts taps of an echo cancellation operator in...
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7006445 |
Device and method for determining characteristics of a digital subscriber line
A method for determining the suitability of a copper line, used for transmitting voice band signals and having one or more user devices coupled thereto for transmitting signals on the copper line,...
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6975706 |
Capacitance measurement-based mechanism for locating open telecommunication line fault
To locate an open fault along a telecommunication wireline pair, a prescribed frequency tone is coupled to the wireline pair by way of a center tap of the transformer through which a line card is...
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6959037 |
System and method for locating and determining discontinuities and estimating loop loss in a communications medium using frequency domain correlation
A system for determining characteristics associated with a communication channel includes a transmitter for transmitting a first signal via the communication channel. The system includes a receiver...
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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...
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6940949 |
Ring, tip, ground testing tool
An apparatus and a method for determining faults in a telephone line. The apparatus has an enclosure housing a switch. The switch is for electrically communicating with a ring wire of a telephone...
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6917595 |
Telecommunications transmission test set
A test set includes at least one signal input port, a test circuitry, a processor, a user-input device, and a display. The test circuitry couples to and receives signals from the at least one...
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6914963 |
Determining the composition of subscriber loops from frequency domain measurements
Techniques for estimating distances to irregularities on a subscriber loop are described. A loop response is measured in the frequency domain. The loop response is weighted by a prolate spheroidal...
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6901137 |
Detecting faults in subscriber telephone lines
A method tests a subscriber line. The method includes providing a classifier to predict a performance characteristic of the line based at least in part on a value of an auxiliary variable. Each...
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6876726 |
Determining the composition of physical structures from boundary measurements, including the composition of subscriber loops
A method for the direct estimation of configuration parameters defining the make-up of a physical system, such as cable lengths and gauges in the case of telephone subscriber loops, from boundary...
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6826155 |
Apparatus and method for facilitating standardized testing of signal lines
The present invention provides for an apparatus and a method for testing and evaluating a transmission line. A set of command and data signals is received through an input/output interface. The...
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6813340 |
Ringing SLIC fault handling
A line card or other telephone or communications interface provided with a ringing SLIC outputs relatively high voltage, such as in excess of about 90 volts, and/or relatively high current such as...
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6804328 |
Intelligent line testing
The present invention provides for intelligent and efficient line testing by allowing a test control entity, such as an operational support system (OSS), to obtain information bearing on testing...
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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...
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6757382 |
Quasi ground fault interruption signal-based activation of emergency pots by-pass paths for line-powered digital subscriber loop
A ‘lifeline’ POTS back-up mechanism is operative to provide emergency plain old telephone service connectivity over a span-powered two-wire metallic digital subscriber loop pair, in response to a c...
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6744854 |
Detection of bridge taps by frequency domain reflectometry-based signal processing with precursor signal conditioning
A frequency domain reflectometry-based bridged tap detection system for a telecommunication wireline employs a prescribed filtering operator, such as a ‘best-fit’ curve filter or a piecewise hig...
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6694015 |
Universal line interface in telecommunications system
A universal line card architecture includes core circuitry for performing battery, overvoltage, ringing, supervision, coder/decoder circuit (CODEC), hybrid and test (BORSCHT) functions...
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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...
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6590962 |
Method of performing non-interactive resistive fault location
A method and apparatus to non-interactively test telephone networks and more specifically to localize faults such as resistive faults in the subscriber loop of the telephone network is presented....
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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...
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6563867 |
Arrangement for analyzing the nonlinear properties of a communication channel
An arrangement to analyze the nonlinear properties of a communication channel that uses a test signal having a number of tones. The test signal is transmitted via the communication channel to be...
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6553098 |
Apparatus and method for assessing leakage from cable networks
An apparatus for assessing signal coupling and radiation from cable networks by exciting the network with multiple broadband signals modulated by a common source, the networks having a plurality of...
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6466649 |
Detection of bridged taps by frequency domain reflectometry
A test system automatically locates impedance mismatched, energy reflection discontinuities (e.g., bridged taps) along a wireline communication link, by coupling a linearly stepped sinusoidal...
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6442239 |
Telephone line longitudinal balance tester and method
A longitudinal balance test circuit connects to the tip and ring lines of a pair of telephone wires. It also connects to a shield conductor that extends with the tip and ring lines. The test...
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6341159 |
Extrapolation of location and amplitude of noise sources on telecommunication wireline from ended access point
A wide band noise extrapolation test system, which may reside within a processor-controlled test head installed in a central office, or as part of test signal generation and processing circuitry of...
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6298119 |
System and method for digital telephone trouble reporting
A system and method for telephone trouble reporting. One aspect of the present invention is a context-sensitive graphical user interface (GUI). The GUI allows a user to select a trouble reporting...
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6292541 |
Line shunt and ground fault apparatus method
A system and method to detect ground faults in a multi-processor communication system that includes a communications link that extends between the processors. The processors isolate different...
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