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7386039 |
Method and apparatus for identifying faults in a broadband network
A system for identifying service affecting conditions on a subscriber line in the access portion of a broadband network, particularly an ADSL network. A measurement unit provides information on the...
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7376535 |
Wideband matching circuit and method of effectuating same
A method is provided for determining an optimal performance of a lossless circuit. In one embodiment, the number of inductors and capacitors contained in a circuit of interest are input, and then a...
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7376219 |
Splitter card with integral test access
A splitter card having integral test access devices. The splitter card allows test access to be readily provided at any location where splitter cards are typically mounted (e.g., a splitter chassis).
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7349526 |
Methods for testing cable pairs in a telecommunications network
Methods are disclosed for testing cable pairs in a telecommunications network. One method connects a test line to a telecommunications switch. The test line is connected to an inactive cable pair....
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7346149 |
Method and apparatus for reversibly correcting nonlinear impairments in a communications channel
In a transmission line, nonlinear impairments resulting from imperfect splices are mitigated by providing a bias current that shifts the operating points of these impairments resulting in improved...
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7336770 |
Method and apparatus for telephone line testing
A method and apparatus for qualifying a telephone transmission line for XDSL communication services is disclosed. The system includes a modem, located at the customer premises to be connected. The...
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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...
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7321766 |
System and method for testing portable communication devices
There are disclosed systems and methods for performing diagnostic testing on portable communication devices, such as cellular telephones. In one embodiment, diagnostic commands are generated...
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7298828 |
Automated telephone line test apparatus with intelligent diagnostic function
A portable, automated telephone line test device includes a test module which applies test signals to a telephone line to be tested and detects electrical characteristics of the telephone line, and...
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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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7289802 |
Communication terminal performance measurement system having effective trace information display function and communication terminal performance measurement method
An acquisition section acquires trace information including a plurality of log information having information on contents and types of log information based on message information of test signals...
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7289604 |
System and method for subscriber loop testing
A method for testing subscriber loop conditions includes receiving test signal data from a test signal provider, receiving a request for transmitting a test signal described by the test signal...
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7239696 |
Automatic reset for DSL lines
A method of automatically resolving a Digital Subscriber Line failure can include detecting a failure of the Digital Subscriber Line and establishing a call over a public switched telephone network...
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7239687 |
Telecommunications
When delivering a broadband service, such as xDSL, without inband POTS, it is necessary to separate the analogue POTS signal and the xDSL signal from each other at both the CO (Central Office) and...
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7236573 |
Method and apparatus for testing telephone sound quality
A method and apparatus for testing telephone sets to determine their sound quality comprising a system for repeatedly applying a sequence of pulse tones to a test telephone where the respective...
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7235979 |
Apparatus and method for measuring loop insertion loss single-endedly
The system and method of determining insertion loss of a telephone line under test (LUT) determines a first insertion loss as a function of plurality of different equivalent circuit values of the...
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7227928 |
Arrangement for line-testing
This invention generally relates to the arrangements for testing subscriber loops. The invention is based on a solution wherein a test head is behind the high-pass filter of the splitter. In order...
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7215763 |
Self-calibration procedure in physical layer transceiver for home telephone wire network
A novel method of configuring a physical layer transceiver for providing data communications via residential wiring. A transmit section of the transceiver produces a pulse signal having selected...
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7212496 |
Remote test unit
A remote test unit (RTU) and method of operation are provided for utilizes the ability of an access matrix ability to route signals. The RTU can emulate a central Digital Subscriber Line Modem...
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7158616 |
Automated and integrated call control server
Allowing a tester of a telephonic device to issue call control commands to a call control server using an intuitive set of commands and using both data lines for data call control commands, and...
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7158613 |
Method and system for enabling circuit testing services on a multi-service provisioning platform
A telecommunication multi-service transport platform system is disclosed. It has at least one service card providing a predetermined telecommunication service, and at least one protection card for...
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7154856 |
Multiplexing apparatus and cell discard method
A multiplexing apparatus selectively performs cell discard processing in the case of congestion on the basis of a use state of the same connection formed by cells from the side of a switching unit...
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7151819 |
End-to-end network testing
The invention includes a system and a method for testing a communication network. The inventive method transmits a first signal from a first point to a second point of the communication network,...
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7149285 |
Dynamic, automated double-ended system and method for testing and qualifying metallic telecommunication loops
A multi-unit test system performs automated and dynamically alterable, double-ended testing of telephone lines, whose service is provided on copper cable pairs. A prescribed set of (e.g., twelve)...
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7136457 |
Aircraft cabin telephony test unit
A test unit for an aircraft cabin telephony system includes a pair of connectors for inserting the test unit in-line within the system; an AC voltage module that is operative to indicate the...
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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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7106834 |
Digital subscriber line diagnostic system
A communication device transmits very low frequency signals in order to help diagnose the cause of a communication problem in a DSL communication system. The communication problem may be, for...
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7106833 |
Automated system and method for management of digital subscriber lines
An automatic system for the provisioning, deployment and management of digital subscriber lines (DSL) in a telephone network uses data on loop composition, electromagnetic interference and...
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7103150 |
Splitter card with integral test access
A splitter card having integral test access devices. The splitter card allows test access to be readily provided at any location where splitter cards are typically mounted (e.g., a splitter chassis).
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7103147 |
Methods and apparatuses for determining loop characteristics using standard voice-band modem
Embodiments of the invention provide methods and apparatuses to determine the characteristics of a local loop using the multi-tone line-probing signals of a standard voice-based modem. For one...
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7099439 |
Loop test apparatus and method
Systems and methods are described for measuring the quality of telephone transmission lines. A device, such as a loop test apparatus, can be located at a customer's premises and used for remotely...
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7095824 |
Instructive out-of-service telephone lines
A method ( 10, 20 ) and apparatus ( 30 ) enables a customer ( 47 ) to distinguish between a dead or broken Internet Protocol telephone line and an out-of-service Internet Protocol telephone line....
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7079626 |
System and method for imputing data into a database
A system and method for imputing data into a database includes an imputing system operable to impute data based on outside plant construction principles. The imputing system includes an inventory...
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7072449 |
System and method for establishing a power level for a communication signal transmitted in a conductor
A method of establishing a transmission power level for signals transmitted in a conductor is provided in an environment where signal interference is present between the signals in the conductor...
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7072448 |
DSL tester
A device for detecting a transmission of at least one of a first communication signal and a second communication signal in a communication network is disclosed. The first communication signal is...
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7050548 |
Localization of customer premises in a local loop based on reflectometry measurements
In the course of a reflectometry-based qualification procedure of a local loop, which connects customer premises to a central office of a telecommunication network, and in the event of being unable...
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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...
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7050546 |
System and method for providing POTS services in DSL environment in event of failures
A system and method are presented for providing a telephone service. An analog signal is received from a telephone and the analog signal is converted into a digital signal in a first format. A...
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7050090 |
VDSL video/data set top test equipment
A VDSL customer drop testing arrangement and equipment utilizes a test set top box having a sign-on identifier unique to an authorized test device to perform testing of the customer drop without...
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7042983 |
Method and apparatus for bridged tap impact analysis
A method and system for qualifying telephone lines for high speed data services. The system takes measurements on a line under test and matches those measurements to a model of a line. The model of...
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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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7027589 |
Single-ended loop test circuitry in a central office DSL modem
A central office modem ( 50 ) that includes the capability of single-ended loop testing (SELT) is disclosed. The modem ( 50 ) includes a digital signal processor ( 54 ), a codec ( 56 ), line driver...
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7020249 |
Voice interface unit for line conditioner control
Interfacing to and controlling POTS line conditioning devices using a Voice Interface Unit (VIU) are described. Technicians perform tests and checks while a POTS line is in a conditioned state. The...
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7020248 |
Apparatus and method for testing subscriber loop interface circuits
A method and apparatus for internally testing portions of a subscriber loop interface circuit. Testing may be conducted on a semiconductor circuit including the subscriber loop interface circuit....
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7020246 |
Time domain reflected signal measurement using statistical signal processing
An apparatus and technique for determining whether a telephone loop is capable of carrying a Digital Subscriber Line (DSL) signal. Time domain reflected (TDR) signals that are echoes of transmit...
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7020163 |
Frame communication system
The present invention relates to a frame communication system composed of a code converter and a frame generator/decomposer. In order to improve a line efficiency without encapsulating transmitting...
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7003085 |
Customer service process for remotely assisting users of telephone and modem systems
Systems and methods for remotely diagnosing, trouble shooting, and/or programming an end user telephone by a customer service representative using a telephone and modem system in communication with...
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6987968 |
Method for reverse path mapping in a wireless network using Xtel and Lucent telecommunications equipment
A method and system are provided for generating a graphical representation of call-specific data in a wireless network in conjunction with Xtel and Lucent equipment. The method includes performing...
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6987838 |
System and method for deploying new equipment and services in conjunction with a legacy provisioning system
In one embodiment, a new device or service can be treated as an abstraction, allowing a model to be created which mimics operation of the device or service, but which does not physically exist. A...
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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...
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