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| Number | Title | Issue Date |
| 8180023 | Method and apparatus for replacement connection verification during migration from an analog network element to a next generation network element Method, corresponding apparatus and system are provided for transparently testing replacement functionality and optionally migrating subscribers on analog phone lines, served, for example, by PSTN Class 5 elements, to Next Generation Network (NGN) elements when copp... | 05/15/2012 |
| 8090079 | System and method for auto-reversing loop polarity of U interface A loop polarity auto-reversing system 100 of a U interface is disposed in a line terminal 10 connected to a digital service unit 20 via the U interface. The loop polarity auto-reversing system includes a current detection module 101, a lo... | 01/03/2012 |
| 8068585 | Checking of broadband network components Systems and methods for checking broadband network components are provided in which an automated interactive system permits a field technician to check various conditions of a communication line or other broadband network components without the assistance of a suppo... | 11/29/2011 |
| 8059788 | Telephone software testing system and method The present invention provides a system and method for a computer controlled test system in which the computer can change and monitor the compound observable state of an electronic device or telephone during testing procedure. In the preferred embodiment of the inve... | 11/15/2011 |
| 7746983 | Distributor with a test access The invention relates to a distribution frame (1) for telecommunications and data technology, the distribution frame (1) having a system side and a subscriber side, which are each formed by at least one distribution frame connection module (2, 3... | 06/29/2010 |
| 7720202 | 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 tone frequencies are different and within the normal human voice range. | 05/18/2010 |
| 7664232 | Method and system for distance measurements A method and a system for impairment line testing are provided. The method includes electrically connecting a first terminal of a measurement device, which may be a time domain reflectometer, to both wires of a twisted wire pair of a telephone line, which interconne... | 02/16/2010 |
| 7623630 | Double-ended line probing (DELP) for DSL systems Double-ended line probing (DELP) techniques are described herein that enable a loop configuration to be identified based on mathematically simple error functions, which are both time-efficient and less sensitive to measurement errors. A DELP algorithm uses readily a... | 11/24/2009 |
| 7515692 | System and method for qualifying telephone lines for very-high-bit-rate digital subscriber line service A method for qualifying a telephone line for very-high-bit-rate digital subscriber line (“VDSL”) service is disclosed. Generally, a telephone line for VDSL service is prequalified based on a length of the telephone line. A VDSL rate of the telephone line is meas... | 04/07/2009 |
| 7453989 | Method and apparatus for testing a subscriber loop-based service A network interface device is positioned between a subscriber loop and the internal wiring of a subscriber's premise. Operational and performance data is captured and stored in memory for later use and analysis. Commands issued to the network interface device select... | 11/18/2008 |
| 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 |
| 7436936 | VoIP call through tester According to various embodiments of the present invention, systems and methods for verifying the routing of a call through a network, including: generating an outbound call from a test tool in a first network, the outbound call including a test key and a destination... | 10/14/2008 |
| 7433450 | Method and system for connection verification The present invention provides a method and system for connection verification. An embodiment includes a DSL based system, with a tester resident at a central office respective to a DSLAM. When a problem is encountered by a subscriber, the tester can be readily conn... | 10/07/2008 |
| 7424097 | Method of measuring and improving xDSL transmission characteristic A system for measuring the transmission characteristic of an xDSL system that implements high-speed data communication over existing copper telephone wires connecting an office and a subscriber includes a polling device included in the outside line of an xDSL circui... | 09/09/2008 |
| 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 line that aids in identifying projected performance. Information fro... | 06/10/2008 |
| 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 random search of a plurality of lossless circuits, each having the s... | 05/20/2008 |
| 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). ... | 05/20/2008 |
| 7370106 | Network revision system with local system ports A revision system for a network having a plurality of data ports, pairs of the data ports being connectable by a patch cord to place the pairs of data ports into communication with each other, the revision system including a computer processor, a scanner in communic... | 05/06/2008 |
| 7363567 | System and method for electronic device testing using random parameter looping Disclosed is a system and method for testing electronic devices which uses a random pattern for testing electronic devices. In one embodiment there is communicated to a device under test (DUT) a test sequence causing the DUT to exercise certain parameters in a contr... | 04/22/2008 |
| 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. The inactive cable pair has no telecommunications service established... | 03/25/2008 |
| 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 stability, conductivity and linearity. ... | 03/18/2008 |
| 7340039 | Method for providing digital loop carrier data for use in a central office The present invention provides a digital loop carrier (“DLC”) information system that provides information for use in a central office. The DLC information system includes four related databases. A DLC system database provides information about DLC systems, a mu... | 03/04/2008 |
| 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 modem analyzes actual signals to determine the electrical characteris... | 02/26/2008 |
| 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 |
| 7324588 | Apparatus, and associated method, for testing a mobile terminal in test conditions that emulate an operating environment Testing apparatus, and an associated method, for testing operation of a mobile terminal. Testing is performed, e.g., to determine compliance of the mobile terminal to E911 Phase II positioning requirements. A network and radio channel emulator emulates network signa... | 01/29/2008 |
| 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 internal to the communication device and processed within the device as tho... | 01/22/2008 |
| 7315583 | Digital subscriber line (DSL) modems supporting high-speed universal serial bus (USB) interfaces and related methods and computer program products The present invention provides asymmetric digital subscriber line (ADSL) modems including a discrete multitone (DMT) modem module. The DMT modem module includes a digital signal processor (DSP) configured to process control signals for initializing the ADSL modem du... | 01/01/2008 |
| 7313534 | System and method for predictive maintenance and service parts fulfillment in a supply chain A supply chain transaction network. The network includes a customer agent server hosting a collection of intelligent customer agents for interfacing with and extracting information from one or more of a condition monitoring system, a computer maintenance management ... | 12/25/2007 |
| 7302361 | Modular telecommunication test unit A test unit for data communication networks is formed by placing one or more application modules between a front module and a rear module. The modules are secured together with a latching system and a bus structure provides for control and performance information tr... | 11/27/2007 |
| 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 operational data collected from the system can include performance-charact... | 11/27/2007 |
| 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 a user interface module. The user interface module includes a microp... | 11/20/2007 |
| 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 dial tone testers can include a visual device or an audible device i... | 11/13/2007 |
| 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 transmitted to a communication terminal and a series of reply signals ... | 10/30/2007 |
| 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 data, and transmitting the test signal over a communication channel. The ... | 10/30/2007 |
| 7286952 | Method for testing subscriber access lines A method for testing subscriber access lines wherein the test is carried out locally, online and virtually all the time with the assistance of the digital signal processor for the subscriber line. The test results are gathered at a central point and are signaled fro... | 10/23/2007 |
| 7283816 | Apparatus and process for a universal diagnostic monitor module on a wireless device A wireless device includes a communications processing engine having a plurality of diagnostic data relating to the operation of the wireless device on a wireless network; a computer platform having a universal diagnostic monitor module operable to retrieve selected... | 10/16/2007 |
| 7277490 | Apparatus for converting PCM signal An apparatus for converting pulse code modulation (PCM) signals in a telecommunication system between two different modulation standards. In the apparatus, a channel selector generates a channel select signal for identifying at least one channel of the multiple chan... | 10/02/2007 |
| 7277700 | System and method for emulating a telephony driver A system and method for emulating a telephone driver of a mobile device to assist in the development and testing of mobile telephony applications is described. An emulated telephony driver maintains internal states of a wireless network and characteristics of the mo... | 10/02/2007 |
| 7263355 | Test apparatus and method which can simultaneously execute various tests of one or a plurality of radio communication terminals of various types of communication systems A test apparatus main body mounted in a single housing has a connection unit, a common bus, terminal control units, measurement units, and a total control unit. The connection unit can connect at least two terminals of identical or different type of communication sy... | 08/28/2007 |
| 7254110 | Pots extender for voice fallback in a subscriber line A full services access multiplexer is described. A master digital subscriber line (master DSL) modem is coupled to a conductor pair. A POTS extender also is coupled to the conductor pair and may sense the operation of a fallback or other signal on the conductor pair... | 08/07/2007 |
