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Testing of subscriber loop or terminal

Subclass of:

379 - Telephonic communications

379100010 - DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
379270010 Testing of subscriber loop or terminal 65
20080212744Method, system, apparatus, and program for verifying media service features - Methods, systems, and computer program products are provided for verifying a service provided to at least one subscriber terminal in a communication network. The method includes connecting a communication device to the network, logging into a test unit communicatively coupled to the network using the communication device, entering into the communication device an access code corresponding to a test for verifying a service, and conducting the test for verifying the service, corresponding to the access code.09-04-2008
20080212745Method and Device For Checking the Connection of a Positive Supply Voltage to a Subscriber Access Line Comprising a Plurality of Wires - According to the invention, a user connection cable (TAL) that is to be associated with a user connection circuit (SLIC) and is used for connecting at least one user (TN) to at least one communication network is verified regarding switching on of a positive distribution voltage in the strands (a, b). The user connection circuit (SLIC) is initially switched to the silent interval mode and a test impedance (I) is switched between the strands (a, b) of the user connection cable (TAL), whereupon the current (i) flowing across the strands (a, b) and the voltage (u) to ground of a strand (b) are measured. Advantageously, the measurements are taken via measuring devices disposed on the user connection subassembly (SLMA).09-04-2008
20090074154Measuring System and Method - A measuring system comprises a pulse generator, an under test device, a variable resistor and a detecting control system. The pulse generator provides pulse signals with different voltage peaks to the under test device and the variable resistor. The variable resistor adjusts its resistance value according to a control signal. The detecting control system detects the voltage ringing ranges of the first terminal of the under test device at different resistance values. The detecting control system generates the control signal to adjust the resistance value of the variable resistor according to the voltage ringing ranges.03-19-2009
20090080622VOICEMAIL NOTIFICATION - Certain embodiments of the present disclosure provide systems and methods for voicemail notification. In one embodiment, a method includes submitting an extension call request to a telephony system, wherein the extension call request identifies a recipient extension. The method also includes receiving a return message from the telephony system in response to the extension call request. The method further includes determining whether the recipient extension is currently associated with the telephony system based on the return message received from the telephony system. In addition, the method includes documenting an association between the recipient extension at the telephony system if the recipient extension is currently associated with the telephony system. The preceding operations may be repeated for additional recipient extensions and/or additional telephony systems to determine associations between one or more recipient extensions and one or more telephony systems. Various voicemail systems, telephony systems, and related methods are also provided.03-26-2009
20090141869APPARATUS AND METHOD FOR COMPARING SIGNAL STRENGTH IN A SPEAKERPHONE SYSTEM - A method and system for comparing signal strength in a speakerphone system is disclosed. The system is configured to operate in a half-duplex mode, where the direction of communication is determined by comparing signals based on the transmit input signal and the receive input signal. The system estimates and compares the transmit data signal strength and the receive data signal strength. The system then controls a transmit switch and a receive switch to selectively enable transmission based on the comparison. The system also reconfigures the estimation components based on the comparison of the estimated signal strengths. In one implementation, the system estimates the signal envelopes for the inputs and the envelopes of the noise components of the inputs. The system uses the estimates to calculate the data component of the input signals by subtracting the noise envelope from the total signal. A controller compares the strength signals to determine the current state of the system. If one signal is stronger than the other, the controller switches to that state and blocks the weaker signal. The system uses the states to configure the system components.06-04-2009
20090196402MONITORING ARRANGEMENTS, HAVING COMMUNICATION ESTABLISHMENT INFORMATION CHANGED FROM INITIAL COMMUNICATION ESTABLISHMENT INFORMATION - This present invention simplifies the installation work, the initialization, the operation confirmation, and the test run work of a monitor terminal in a field site that monitors a monitor object. Communication information and management information, such as a telephone number used to communicate with a communication terminal in a field site at test run time, are integrated. For example, the common values (default values) are set in the communication terminal, which will communicate with a monitoring apparatus, as communication information (IP address, user ID, password) to allow the monitoring apparatus to communicate with the communication terminal by setting only the telephone number of the communication terminal in the monitoring apparatus. During a test run, the monitoring apparatus performs operation to change the communication information and the management information in the communication terminal to the information suitable for a production run.08-06-2009
20090262904AUTOMATIC TELEPHONE LINE LOOP AROUND SYSTEM AND METHOD - A loop around system and method for use in a telephone line monitors line conditions to detect the initiation of loop testing and automatically bypasses an electronic device, such as a DSL line conditioner, used in the line to prevent the electronic device from being inadvertently detected by the testing system as a line fault. The system additionally shuts down power to itself from the line so that it does not interfere with testing, while continuing to monitor the line during testing to detect conditions that characterize the termination of testing, and then automatically switches the electronic device back into the line upon the conclusion of testing. The system and method may be employed unattended at intermediate locations in the line remote from the CO or the CPE.10-22-2009
20090268878System and Method for Remote Testing Of A Subscriber Loop - A system and method for testing a subscriber loop. A maintenance port of a switch is configured to dial a phone number associated with a subscriber loop. A remote device is commanded to initiate a test for the subscriber loop utilizing a test bus. Test measurements of the subscriber loop are received from a remote test head.10-29-2009
20090323902SYSTEMS AND METHODS FOR CHARACTERIZING LOOPS BASED ON SINGLE-ENDED LINE TESTING (SELT) - Systems and methods for characterizing loops based on single-ended line test (SELT) are described. One embodiment includes a method for determining whether a straight-loop departure condition exists on a loop under test. In accordance with such embodiments, the method comprises receiving an un-calibrated echo signal for the loop under test using frequency domain reflectometry single-ended line testing (FDR-SELT), a region associated with the loop under test, a platform type, and a length of the loop under test. Based on the region, platform type, and loop length, the method further comprises determining whether the loop is not a straight loop, wherein determining whether the loop is not a straight loop comprises determining whether at least one differentiating feature is present in the un-calibrated echo signal. Another embodiment includes a method for determining a loop gauge for a loop under test. The method comprises receiving an un-calibrated echo signal for the loop under test using frequency domain reflectometry single-ended line testing (FDR-SELT), a region associated with the loop under test, a platform type, and a length of the loop under test. Based on the region, platform type, and loop length, the method further comprises analyzing characteristics relating to local maxima and local minima of the un-calibrated echo signal to determine the loop gauge.12-31-2009
20100014645METHOD AND DEVICE FOR DETERMINING, AND METHOD AND SYSTEM FOR CONFIGURING DSL REFERENCE VIRTUAL NOISE - A method for determining reference virtual noise of Digital Subscriber Line (DSL), includes: obtaining a receiver-end-actual noise of DSL subcarriers; and determining a reference virtual noise according to the obtained receiver-end-actual noise of the DSL subcarriers. Furthermore, the invention also discloses a device for determining a reference virtual noise of DSL, and a method and a system for configuring the reference virtual noise of DSL. The invention can improve the accuracy of the reference virtual noise, thereby making the configuration of the reference virtual noise more accurate.01-21-2010
20100061524Test Phone Using SIP - The invention provides a test phone whereby the test phone comprises means to communicate to a server, means to generate SIP signaling towards the server, whereby the test phone by means for SIP signaling may request the server to set-up a test call using specific resources for routing said test call.03-11-2010
20100061525METHOD AND APPARATUS FOR AUTOMATED ASYMMETRIC DIGITAL SUBSCRIBER LINE LOOP TESTING - A method and apparatus for mechanizing the currently manual ADSL loop testing process is disclosed. In one embodiment, an automated loop testing device is disclosed, where the loop testing device has a pair of terminals, e.g., RJ-11 jacks on both sides of the device. The jack on one side connects to inside wiring which, in turn, connects to an ADSL modem. The other jack connects to an outside line which, in turn, connects to a central office of a network provider. In operation, the present device detects a line voltage reversal and then disconnects the input line to the ADSL Modem. When the voltage returns to normal, then the device behaves normally by being closed, essentially acting as a pass through device and again connects the input lines to the output lines.03-11-2010
20100158200METHOD FOR THE STATUS ANALYSIS OF A SUBSCRIBER LOOP TO SUPPORT BROADBAND TELECOMMUNICATION SERVICES - A method for analysing the status of a subscriber loop belonging to an access network portion of a fixed network infrastructure, the subscriber loop not supporting a broadband service wherein the access network portion includes further subscriber loops, a set of which support broadband services. The method includes the steps of collecting attenuation measures associated with said set of subscriber loops supporting said broadband services; and processing said attenuation measures to obtain an estimation of a maximum bit rate that can be offered on the subscriber loop to be analysed.06-24-2010
20100226480METHOD AND APPARATUS FOR DETECTING LONG UNTERMINATED PHONE WIRING LOOPS - A method and apparatus for detecting unterminated phone line loops. The method comprises generating a voltage differential pulse across a phone line loop, measuring a voltage differential across the phone line loop, and determining if the phone line loop is properly terminated based upon the measured differential. The apparatus comprises a voltage pulse generator, two phone wires, and a voltage pulse detector. The voltage pulse generator sends a voltage differential pulse, the two phone wires carry the voltage differential, and the voltage pulse detector measures the voltage differential across the phone wires.09-09-2010
20100246779COMMUNICATION APPARATUS - A communication apparatus including: a semiconductor DAA which performs line closing and opening processings; and a controller including; an adjustment controlling section which controls the semiconductor DAA such that a line voltage and a line current upon closing a line fall within a predetermined range; an adjustment-control starting section which starts the control; an adjustment-control stopping section which stops the control; and a change detecting section which detects a change of conditions of supply of the line voltage, wherein the adjustment-control starting section starts the control where the line closing processing has been performed and where the change has been detected, and wherein the adjustment-control stopping section stops the control when a predetermined length of time has passed, in at least one of where the line closing processing has been performed and the control is being performed, and where the change has been detected and the control is being performed.09-30-2010
20100278313DIGITAL SUBSCRIBER LINE TESTING TOOL - A broadband service, such as Digital Subscriber Line (DSL) service, may be tested by a technician installing or performing maintenance on the broadband service. The technician may use the subscriber's computer as a test set, in which the technician may login to a testing service that may test the line using test equipment located externally to the subscriber premise. A test application may receive, from a computing device located at the subscriber premise, a request to test the broadband service at the subscriber premise as part of installation of the broadband service. The test application may initiate a test of the broadband service using test equipment located externally to the subscriber premise. The test may include tests relating at least to the physical layer of the broadband network connection. Results of the test may be transmitted to the subscriber premise.11-04-2010
20100296633Method and Arrangement for Loop Qualification in a Digital Subscriber Line (DSL) System - A method and loop qualification unit for determining loop parameters of a topology of a twisted pair loop for a digital subscriber line system. The parameters are represented by a vector that receives a measurement of a SELT parameter measured at one end of the loop and a measurement of a DELT loop transfer function measured at both ends of the loop. A first model generator generates a first model for the SELT parameter and a second model generator generates a second model for the DELT function based on the loop parameters represented by the vector. A processor then determines the parameters by minimizing the differences between the first model and the SELT parameter, and the second model and the DELT function. The determined parameters are represented by the vector that provides the minimization.11-25-2010
20100303212Improper Connection Determination Method and Communication Apparatus - An improper connection determination method includes a closed circuit forming step, a current detection step and a determination step. In the closed circuit forming step, a closed circuit from one of at least two contacts in a telephone connection terminal of a communication apparatus to another one of the at least two contacts in the telephone connection terminal is formed. In the current detection step, a current flowing in the closed circuit, when the closed circuit is formed in the closed circuit forming step, is detected. In the determination step, it is determined that the telephone line is improperly connected to the telephone connection terminal when the current is detected in the current detection step.12-02-2010
20110150188Testing device for hazard alarm systems - A testing device for hazard alarm systems, particularly fire alarm systems, having a hazard alarm control panel connected with a variety of devices via a device loop configured as a ring bus system, and has at least one communication circuit for communication with the individual devices. The communication circuit comprises multiple functional units. The current measurement unit is checked and monitored by a device simulation unit that is completely integrated into the communication circuit and is controlled by a control unit configured as a microcontroller.06-23-2011
20110188640DSL SYSTEM ESTIMATION - Estimates of a communication system configuration, such as a DSL system, are based on operational data collected from a network element management system, protocol and users. The operational data collected from the system can include performance-characterizing operational data that typically is available in the OSL system via element-management-system protocols. Generated estimates and/or approximations can be used in evaluating system performance and directly or indirectly dictating/requiring changes or recommending improvements in operation by transmitters and/or other parts of the indication system. Data and/or other information may be collected using internal means or using system elements and components via e-mail and/or other extra means. The likelihood of the models accuracy can be based on various data, information and/or indicators of system performance, such as observed normal operational data, test data and/or prompted operational data that shows operating performance based on stimulation signals.08-04-2011
20110222668Method for In-Country Live Testing of International Telephone Numbers - Worldwide In-country live telephone number testing is performed by a human tester located in a specific country using local Public Switched Telephone Network (PSTN) access to make outbound test calls in order to test telecommunications Quality of Service (QoS). International telephone communication has become increasingly vital in the areas of customer service, sales, and the global business cycle which have come to increasingly depend on international telephone communication. The QoS criteria tests functions including, but is not limited to: correct message; message in proper language; Dual Tone Multi Frequency (DTMF) prompts working; static; echo; cross-talk; fading in & out of conversations; speech volume; pass codes; leader pins; and the like. The results of QoS tests allow early detection of problems before those problems become serious business issues.09-15-2011
20120128135Fast detection and reliable recovery on link and server failures in a dual link telephony server architecture - Methods for detecting and recovering from client-link, server-link, and server-node failures are disclosed. One method comprises providing a dual link architecture. A Link-Status-Notice (LSN) message detailing at least one phone client associated with the client-link failure is sent from a primary telephony server to a secondary telephony server via a server-link. A type of redirect command is sent from the secondary telephony server to the at least one phone client associated with the client-link failure via a secondary client-link. The type of redirect command is based on a content of the LSN message.05-24-2012
20120140901METHODS, APPARATUS, AND ARTICLES OF MANUFACTURE TO TRIGGER PREEMPTIVE MAINTENANCE IN VECTORED DIGITAL SUBSCRIBER LINE (DSL) SYSTEMS - Example methods, apparatus, and articles of manufacture to trigger preemptive maintenance of vectored digital subscriber line (DSL) systems are disclosed. An example method includes obtaining a value representing crosstalk coupling between a first subscriber loop and a second subscriber loop, the first and second subscriber loops belonging to a vectored DSL group of subscriber loops, determining whether to automatically perform a diagnostic test on the first subscriber loop based on the value, submitting a trouble ticket for the first subscriber loop based on a result of the diagnostic tests, and generating a maintenance report for the vectored DSL group based on the value and the results.06-07-2012
20120155618APPARATUS, METHODS, AND ARTICLES OF MANUFACTURE TO PREDICT VECTORED DIGITAL SUBSCRIBER LINE (DSL) PERFORMANCE GAINS - Apparatus, methods and articles of manufacture to predict vectored digital subscriber line (DSL) performance gains are disclosed. A disclosed example method includes determining a model coefficient of a noise-to-margin ratio (NMR) model from performance data measured for a DSL subscriber loop prior to provisioning of vectoring for the DSL subscriber loop, computing, using the model coefficient, a first NMR value with disturbers enabled and a second NMR value with disturbers disabled, and estimating an expected vectoring performance gain for the DSL subscriber loop based on the first and second NMR values.06-21-2012
20120219123SINGLE ENDED ESTIMATION OF FAR-END CROSSTALK IN A DIGITAL SUBSCRIBER LINE - An apparatus for estimating far-end crosstalk R08-30-2012
20120224674SYSTEMS AND METHODS FOR HANDLING CROSSTALK VECTORING FAILURES IN MULTI-CARD VECTORING GROUPS - A communication system comprises a plurality of line cards having transceivers coupled to a plurality of subscriber lines. Each line card has at least one active transceiver within the same vectoring group, and each line card also has vector logic capable of cancelling crosstalk induced by an active transceiver that is a member of the vectoring group. In the event of a vectoring fault that prevents a line card from receiving vectoring information from at least on other line card, the vector logic is configured to disable vectoring for the interferers affected by the error in order to prevent vectoring operations based on obsolete vectoring coefficients from adversely affecting the quality of the communicated signals. The transceivers communicating signals affected by the suspended vectoring operations are also configured to adjust their constellation density profiles, thereby reducing their data rates, to accommodate the increased noise level resulting from the loss of vectoring. By handling the vectoring fault in such manner, communication can continue without requiring a retrain.09-06-2012
20120230476Multicarrier Modulation Messaging for Power Level Per Subchannel Information - Upon detection of a trigger, such as the exceeding of an error threshold or the direction of a user, a diagnostic link system enters a diagnostic information transmission mode. This diagnostic information transmission mode allows for two modems to exchange diagnostic and/or test information that may not otherwise be exchangeable during normal communication. The diagnostic information transmission mode is initiated by transmitting an initiate diagnostic link mode message to a receiving modem accompanied by a cyclic redundancy check (CRC). The receiving modem determines, based on the CRC, if a robust communications channel is present. If a robust communications channel is present, the two modems can initiate exchange of the diagnostic and/or test information. Otherwise, the transmission power of the transmitting modem is increased and the initiate diagnostic link mode message re-transmitted to the receiving modem until the CRC is determined to be correct.09-13-2012
20120243668System and Method for Evaluating and Troubleshooting a Digital Subscriber Line System - Disclosed is a method and system for evaluating and troubleshooting a DSL system in a plurality of DSL systems having a common static characteristic. The plurality of DSL systems are ranked based on a ranking characteristic different than the common static characteristic.09-27-2012
20120307981Switched Multi-Lead Test Adapter - A switched multi-lead test adapter is described. The multi-lead adapter has a main lead and a plurality of test leads. Each lead is connected to a switch that selects one of the test leads for connection to the main lead, or for connection to another test lead. The switch allows only one conductive path between the leads, so that the remaining, unselected leads to not cause interference on an active telecommunication wire, such as a DSL line. The test leads include multiple terminating connectors for connecting to various terminal blocks and cabling systems.12-06-2012
20120307982HOME WIRING TEST SYSTEM USING FREQUENCY-BASED MEASUREMENT TECHNIQUES - A system for testing a conductor of a structure can include a test device connected to the conductor. The test device is configured to test an electrical characteristic of the conductor and to produce a test result based at least in part on the electrical characteristic. A service provider network may be configured to communicate with the test device to initiate a test and/or to obtain the test result. A customer may use a computing device to obtain information regarding the test result, as well as guidance for troubleshooting and resolving a problem detected with the electrical conductor, such as a fault.12-06-2012
20130003940XDSL MULTISTANDARD DRIVER CIRCUIT - An electric circuit for amplifying an xDSL signal comprises an operational amplifier and a signal monitoring circuit. The operational amplifier is configured to amplify the xDSL signal, is powered by a variable voltage supply and has a gain which is adjustable by an operating mode control signal. The signal monitoring circuit is activated by the operating mode control signal and is configured, when activated by the operating mode control signal, to generate a control signal to adjust the voltage of the variable voltage supply in order to adjust the maximal signal swing of the output signal of said operational amplifier. The control signal is generated by comparing the amplitude of the xDSL signal applied to the electric circuit with an amplitude threshold value.01-03-2013
20130022177PHONE TEST SET MODEM - A phone test set provides modem capability in a hand held device, enabling bi-directional data communications. Demodulation is provided by sampling digitized incoming phone line signals at 4 times carrier frequency, and employing values representing 0 and 90 degree samples to extract the information signal.01-24-2013
20130223599DIAGNOSTIC ENGINE FOR DETERMINING GLOBAL LINE CHARACTERISTICS OF A DSL TELECOMMUNICATION LINE AND METHOD USING SAME - A diagnostic engine for remotely determining global line characteristics of a xDSL telecommunication line from an access node location. The diagnostic engine comprises first, second, and preferably third, measurement means adapted to measure respectively first, second and third line characteristics according to three distinct measurement techniques such as MELT, SELT and DELT. The diagnostic engine further comprises combining means able to combine the measured line characteristics in order to derive thereof global line characteristics or information relative to the physical state of the line as well as possible consequences on DSL service. By combining the three measurements in the combining means, the resulting global line characteristics of the line are improved with respect to performing separately interpretations of the three measurements.08-29-2013
20140064459TELECOMMUNICATION DIAGNOSTIC INFORMATION MANAGEMENT - A diagnostic tool is adapted to include the capability of initiating one or more diagnostic tests, collecting the raw data from the diagnostic test(s) and transporting the raw diagnostic data to an OSS. The OSS interprets the raw diagnostic data and stores the results in a database. The stored results can be searched, sorted, manipulated, analyzed, and the like. The results of any of these operations can then be, for example, displayed to one or more entities such as customer support, network operators, network planners, or the like.03-06-2014
20140112456METHOD AND APPARATUS FOR SPOKEN DIAGNOSTICS - A method, apparatus and system to provide the ability for an analog telephone adapter (or other consumer electronics device) to provide spoken information to a consumer to help diagnose problems. The spoken diagnostics system and method for comprises a central analysis server and an analog telephone adapter (“ATA”). When in operation, when a consumer (as an end user) pick up a telephone which is connected to and/or operating through the ATA and enters a preset diagnostic code, defined a telephone number in one embodiment, the ATA and the central analysis server perform a series of diagnostic functions and cause one or more verbal messages relating to the status of the ATA as determined through the diagnostic functions to be spoken over the phone so as to be communicated to the consumer.04-24-2014
20140161236Network Analysis Based on Ambient Electromagnetic Signals - A particular method includes receiving first data indicating a measured strength of an ambient electromagnetic signal in a particular frequency range during a particular time period and at a particular location. The method also includes receiving second data indicating a bit loading within a portion of a wireline network in the particular frequency range during the particular time period. The portion of the wireline network provides service within a service area proximate to the particular location. The method also includes determining a correlation of changes in the second data during the particular time period to changes in the first data during the particular time period. The method further includes identifying at least one issue associated with the wireline network based on the correlation.06-12-2014
20140328471TELECOMMUNICATION DIAGNOSTIC INFORMATION MANAGEMENT - A diagnostic tool is adapted to include the capability of initiating one or more diagnostic tests, collecting the raw data from the diagnostic test(s) and transporting the raw diagnostic data to an OSS. The OSS interprets the raw diagnostic data and stores the results in a database. The stored results can be searched, sorted, manipulated, analyzed, and the like. The results of any of these operations can then be, for example, displayed to one or more entities such as customer support, network operators, network planners, or the like.11-06-2014
20140376702DEVICE AND METHOD FOR DETECTING ABSENCE OF A POTS SPLITTER IN A DIGITAL SUBSCRIBER LINE - A device for detecting absence of a Plain Old Telephony Service or POTS splitter on a Digital Subscriber Line, includes a device for collecting channel transfer function data or the Digital Subscriber Line, and a device for detecting a single hole in the channel transfer function data.12-25-2014
20220141333SYSTEM AND METHOD FOR PROVIDING TELEPHONE EVENT DATA - A system and method for providing telephone event data are described. The system comprises a communications module; a processor coupled to the communications module; and a memory coupled to the processor, the memory storing processor-executable instructions which, when executed by the processor, configure the processor to receive, via the communications module and from a telco server, telephone event data; translate at least a portion of the telephone event data into a format compliant with a particular application executing on a computing device; and send, via the communications module and to the computing device executing the particular application, the translated portion of the telephone event data.05-05-2022
379270020 By generating call signal 2
20090310756Method and Apparatus for Testing New Copper Connections during Migration from Analog Network Elements to Next Generation Network (NGN) Elements - This invention makes it possible to transparently test replacement functionality and optionally migrate subscribers on analog phone lines, served, for example, by PSTN Class 5 elements, to Next Generation Network (NGN) elements when copper co-termination is leveraged. The method and apparatus mechanizes replacement continuity verification to the NGN element from the analog dial tone port and the multi-element network changes required for real time per line per-migration, operational testing and optional migration to the NGN element. All of the network elements are accessible from a single device, the Control Computer used by this invention. Each line can be transparently tested and optionally migrated during a short time period when the subscriber is not using the analog line. In effect, this testing and optional migration is actually changing the state of the NGN element to operational for test purposes and if the tests pass, the analog port and associated DSLAM port can be optionally deactivated. This activity is accomplished in real time, with minimal service interruption to the subscriber. Support and routing databases may also be updated concurrently.12-17-2009
20130272506METHOD FOR TESTING ELEVATOR EMERGENCY PHONES AND ELEVATOR EMERGENCY COMMUNICATION SYSTEM - A method is provided for testing an elevator emergency phone, which emergency phone is either VoIP compliant and connected to a WAN or is connected with a mobile connection module for operation in a mobile network. In the method, the phone is periodically initiated to be registered in the corresponding communication network. The registration attempt is monitored by a reporting device. The status data of the registration attempt is communicated by the reporting device to a monitoring center, which itself is connected to the communication network, which monitoring center takes necessary action when either a registration attempt is not being executed within a set time period or if the result of at least one registration attempt has been communicated as failed.10-17-2013
379270030 By analysis of testing signal 10
20080304627COMMUNICATION TERMINAL APPARATUS AND SIGNAL PROCESSING METHOD THEREOF - Communication terminal apparatuses and methods can detect and/or adjust a signal characteristic. The communication terminal may include a controller to compare a signal characteristic of a received test signal with a prescribed reference signal characteristic, and output a result of the comparison or adjust a signal characteristic for a subsequent signal. Accordingly, an abnormality in the signal characteristic, which may be caused by the displacement of a part occurring in the manufacturing and distributing process of the communication terminal apparatus, can be detected and/or adjusted.12-11-2008
20090154657Methods and Systems for Compensation for Alien Crosstalk Between Connectors - The present invention relates to methods and systems for minimizing alien crosstalk between connectors. Specifically, the methods and systems relate to isolation and compensation techniques for minimizing alien crosstalk between connectors for use with high-speed data cabling. A frame can be configured to receive a number of connectors. Shield structures may be positioned to isolate at least a subset of the connectors from one another. The connectors can be positioned to move at least a subset of the connectors away from alignment with a common plane. A signal compensator may be configured to adjust a data signal to compensate for alien crosstalk. The connectors are configured to efficiently and accurately propagate high-speed data signals by, among other functions, minimizing alien crosstalk.06-18-2009
20090245475METHOD FOR IDENTIFYING A DEVICE TRANSMITTING AN ECHO SIGNAL, ECHO SOURCE IDENTIFYING METHOD FOR IDENTIFYING ECHO SOURCE, MEASURING APPARATUS FOR IDENTIFYING A SOURCE OF AN ECHO, AND ECHO SOURCE IDENTIFYING APPARATUS - A method for identifying among a plurality of devices, through which a voice communication path is connected, a device transmitting an echo signal onto the voice communication path, includes transmitting a predetermined signal to each of the devices from a predetermined portion on the voice communication path, receiving a response signal for the predetermined signal from each of the devices, measuring a period of time for the predetermined signal to travel from the predetermined portion to each of the devices and for the response signal to travel back to the predetermined portion, monitoring a upstream signal and a downstream signal traveling on the voice communication path, extracting an eco component from the downstream signal to determine an echo delay time, and comparing the period of time and the echo delay time to determine a device which causes the echo signal.10-01-2009
20100086105SYSTEMS AND METHODS FOR CHARACTERIZING LOOP TERMINATION VIA SINGLE-ENDED LINE TESTING - Disclosed are various embodiments for determining a state of loop termination. One embodiment comprises receiving an un-calibrated echo signal for the loop under test using frequency domain reflectometry single-ended line testing (FDR-SELT) and determining the state of loop termination based on phase of the un-calibrated echo signal. The step of determining the state of loop termination comprises determining whether the loop is terminated by an open termination or a short termination by correlating the phase of the echo signal with an expected phase of the echo signal derived from measurements taken at the same loop length for open and short terminations. For other embodiments, the amplitude of the un-calibrated echo signal is analyzed to determine whether the loop is terminated by a matched-impedance termination.04-08-2010
20130142315SYSTEMS AND METHODS FOR LOOP LENGTH AND BRIDGED TAP LENGTH DETERMINATION OF A TRANSMISSION LINE - Through the use of a least squares minimization concept, the loop length, the number of bridged taps and length of the bridged taps on a transmission line can be determined from readily available modem data. In particular, the loop length, the number of bridge taps and the length of bridged taps can be estimated by comparing a measured frequency domain channel impulse response of the transmission line to a model of a loop that is comprised of multiple sections and multiple bridge taps.06-06-2013
20130230152ECHO MITIGATION IN A CONFERENCE CALL - In an example embodiment, an example method is provided for echo mitigation in a conference call. In this method, a test audio signal is transmitted to a conference endpoint and as a result, an echo associated with the transmittal of the test audio signal is received. One or more parameters of the echo are then identified and an echo mitigation process is selected from multiple echo mitigation processes based on the identified parameters. The selected echo mitigation process is then applied.09-05-2013
20130243167METHOD AND TESTING SYSTEM FOR TESTING AN ANALOGUE FRONT END - Method for testing an analogue front end coupled to a telecommunication line of a telecommunication system and a related testing system is described. The testing system comprises a single ended line testing measurement module for applying single ended line testing measurements via said analogue front-end upon said line and for collecting thereby single ended line testing measurements; and a processing means for interpreting the single ended line testing measurements and for thereby judging that the analogue front end being out of order and a control means for controlling the single ended line testing measurement module and processing means.09-19-2013
20140072110TESTING APPARATUS AND TESTING METHOD FOR TELEPHONE APPARATUS - A testing apparatus and a testing method for a telephone apparatus are disclosed. The testing apparatus includes an audio generator, an audio signal processor, and a noise analyzer. The audio generator transmits a testing audio signal to a receiver of the telephone apparatus. The audio signal processor receives the testing audio signal and an output audio signal. The audio signal processor performs a time-to-frequency transformation operation on a difference between the testing audio signal and the output audio signal to obtain a noise information. The noise analyzer receives the noise information and obtains a maximum noise component among a plurality of noise components respectively corresponding to frequencies in the noise information. The noise analyzer compares the maximum noise component with a predetermined threshold to generate a testing result of the telephone apparatus.03-13-2014
20140211926METHOD AND APPARATUS FOR TRANSMISSION LINE TESTING - A method and device for transmission line testing are provided. The method includes applying, at a customer premises device, a test signal to a transmission line coupled to the customer premises device. The method further includes measuring, at the customer premises device, a reflection of the test signal. The method also includes determining, at the customer premises device, a characteristic of the transmission line based on the reflection of the test signal. The method includes determining, at the customer premises device, whether the transmission line supports a transmission service based on the characteristic. The method further includes generating an output, at the modem device, the output indicative of whether the transmission line supports the transmission service.07-31-2014
20140233709Internet Phone Trailer - A training system is disclosed. The training system includes a server. The server includes a processor, data storage, a data input/output interface, and a voice interface. The data input/output interface is configured to provide a web-based interface to a data terminal and to receive, from the data terminal and via the web-based interface, both an identifier identifying at least one voice terminal and at least one response. The voice interface is configured to transmit at least one audio test signal corresponding to at least one audio test to the at least one voice terminal. The response is a response to the at least one audio test. In one embodiment, the voice terminal and the data terminal are combined in a single device.08-21-2014
379270040 By automatic testing sequence (e.g., programmable, test, script or test call generation program) 2
20080240369Method for Generating Reliability Tests Based on Orthogonal Arrays and Field Data - A method for generating reliability tests for a telephone system is based upon sampling an orthogonal array which covers various combinations of test parameters. Field data is collected of actual telephone activity on a telephone system. The field data is evaluated so as to determine call-mix characteristics. Probabilistic weights for the different call-mix characteristics are obtained, and then the probabilistic weights are used to sample the test case scenarios generated in the orthogonal array which have the same call-mix characteristics. These test case scenarios are used to run tests on the telephone system. These tests are preferably performed using automated test scripts. After the test data is collected, reliability metrics are calculated from the test data.10-02-2008
20150043720APPARATUS, SYSTEMS AND METHODS OF COMMON-MODE REJECTION RATIO BASED DIAGNOSTICS - In accordance with embodiments disclosed herein, there are provided apparatus, systems and methods for detecting a boundary condition via common mode diagnostics; and to apparatus, systems and methods for detecting a fault condition via common-mode rejection ratio diagnostics. For example, in one embodiment such means include, means for injecting differential mode signal probes onto two conductors of a Digital Subscriber Line (DSL line); means for measuring a common-mode rejection ratio (CMRR) of the differential mode signal probes; means for measuring impedance of the differential mode signal probes; and means for identifying which of an asymmetric fault condition or a symmetric fault condition is present on the line based on both: (a) the measured CMRR of the differential mode signal probes and (b) the measured impedance of the differential mode signal probes.02-12-2015
379270050 Having protection circuit (e.g., surge or short circuit protector) 1
20130108027Removable Sensor Modules05-02-2013
379028000 Of data transmission instrument 3
20130101093METHODS, APPARATUS, AND ARTICLES OF MANUFACTURE TO TRIGGER PREEMPTIVE MAINTENANCE IN VECTORED DIGITAL SUBSCRIBER LINE (DSL) SYSTEMS - Example methods, apparatus, and articles of manufacture to trigger preemptive maintenance of vectored digital subscriber line (DSL) systems are disclosed. An example method includes generating a trouble ticket for a first subscriber loop based on a result of a diagnostic test, the diagnostic test being performed on the first subscriber loop when a value representing crosstalk coupling between the first subscriber loop and a second subscriber loop exceeds a threshold. The first subscriber loop and the second subscriber loop belong to a vectored group of subscriber loops contained in a same cable binder. The example method includes submitting the trouble ticket.04-25-2013
20130101094METHOD FOR TESTING A COMPONENT OF A VECTORING SYSTEM AND LINE TERMINATION EQUIPMENT CONFIGURED TO CARRY OUT SAID METHOD - The invention pertains to a method and apparatus for testing a component of a vectoring system, such as a DSLAM performing crosstalk cancellation. The method is based on the insight that line termination equipment, such as a DSLAM, and in particular the crosstalk canceller, can be used to simulate a multiline network. A signal is exchanged between the line termination equipment and attached network termination equipment, passing through the crosstalk canceller which acts as a multiline simulator. Information indicative of an error component in a received version of the signal is used to assess the operation the vectoring system.04-25-2013
20160028866METHOD AND APPARATUS FOR GAUGE IDENTIFICATION BASED ON SINGLE ENDED LINE TESTING (SELT) - The present invention relates generally to characterizing loops in a communication system, and more particularly to methods and apparatuses for loop gauge identification. In accordance with certain aspects, embodiments of the invention extract some information from the SELT signal. From SELT, the loop impedance, or equivalently input impedance, is determined. This information is then used for gauge identification.01-28-2016
379290010 Terminal arrangement to enable remote testing (e.g., testing interface) 5
20090161835METHOD AND APPARATUS FOR IDENTIFYING A FAULT IN A COMMUNICATION PATH - A system that incorporates teachings of the present disclosure may include, for example, an echo measurement device having a controller to transmit a test signal in a communication path which is looped back at an end point identified as having an echo problem. The test signal can be transmitted at a remote location from the end point. The test signal can be represented by a limited burst signal of one or more frequencies operating outside a range of an operating frequency of an echo canceller deactivation signal transmitted in the communication path. Additional embodiments are disclosed.06-25-2009
20090185665Method and server/module for service configurations test - The present application discloses a server or corresponding module that includes a communication unit configured to receive, from a first terminal, a request including at least an identification of a second terminal. The server further includes a processor unit configured to control, based on the request, the communication unit. The communication unit thus controlled connects to a value-added service module such as a ring-back server, and such connection emulates a connection from the second terminal to the first terminal. The communication unit receives a value-added service such as a ring-back service from the ring-back server, and delivers information on the received ring-back service to the first terminal. Likewise, a corresponding method and computer program product is disclosed. By virtue thereof, service configuration settings at the value-added service module that are set for the first terminal can be tested by the user of the first terminal without involvement of a second terminal.07-23-2009
379290020 By simulator (e.g., computer simulates testing personnel) 1
20090003534Telephone 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 invention, the compound observable state of the electronic device includes a display bit map file or the status of lights or buttons. The compound observable state can be evaluated by the computer in real-time to alert nearby operators of a failure (i.e. a telephone that needs to be rebooted) or malfunction (not rising to the level of a failure). Also, the data related to the compound observable state can be stored in the computer for later review to assist in debugging the telephone's software.01-01-2009
379290030 Voltage or current determination 2
20090074155METHODS AND APPARATUS TO TEST A SUBSCRIBER LINE FOR A BROADBAND ACCESS SERVICE - Methods and apparatus to test a subscriber line for a broadband access service are disclosed. An example network interface device (NID) comprises a tone generator to transmit a tone on a subscriber line to characterize the subscriber line while a DSL modem is providing a DSL service via the subscriber line, the tone having a frequency occurring within a range of frequencies in use by the DSL modem to provide the DSL service, and a pair of terminals to couple the DSL modem and the tone generator to the subscriber line.03-19-2009
20120307983HOME WIRING TEST SYSTEM WITH MISSING FILTER DETECTION - A system for testing a conductor of a structure can include a test device connected to the conductor. The test device is configured to test an electrical characteristic of the conductor and to produce a test result based at least in part on the electrical characteristic. A service provider network may be configured to communicate with the test device to initiate a test and/or to obtain the test result. A customer may use a computing device to obtain information regarding the test result, as well as guidance for troubleshooting and resolving a problem detected with the electrical conductor, such as a fault.12-06-2012
379030000 Loop impedance (e.g., resistance, capacitance) 2
20080240370Testing acoustic echo cancellation and interference in VoIP telephones - Described is automatically testing the quality of an audio coupling between juxtaposed first and second digital telephones, e.g., VoIP telephones, such as to quantitatively determine the quality of audio echo cancellers in those digital telephones. An analyzer receives timestamps from a first telephone and second telephone during a calling session, including timestamps for when the second telephone initially provides audio (e.g., speech) to the first telephone, when the first telephone initially detects sound, when the first telephone initially provides audio to the second telephone, and when the second telephone initially detects sound. The analyzer uses the relative timing of the timestamps and the speech recognizer's outcome to determine whether the audio coupling is experiencing interference or echo. When the audio includes speech, a confidence level corresponding to accuracy of speech recognition also may establish the audio coupling's quality.10-02-2008
20130251114SYSTEM FOR PROVIDING TELEPHONY AND DATA SERVICES - A telephone on-hook/off-hook state communication system. The system includes a first part, for example in the form of an In-Line Analog POTS presentation Adapter, which is operable to interconnect between a telephone apparatus and a pair of conductors, and a second part operable to interconnect between the pair of conductors and a telephone adapter unit, the first part including a variable impedance and means for changing the impedance of the variable impedance such that a property of the impedance at a predetermined frequency (f) greater than zero changes in response to the telephone apparatus transitioning between an on-hook state and an off-hook state, the second part including a detector for detecting the change in the impedance of the variable impedance of the first part via the pair of conductors.09-26-2013
379031000 Of line signalling generator (e.g., dial, tone code generator) 1
20150373429LOW COMPLEXITY TONE/VOICE DISCRIMINATION METHOD USING A RISING EDGE OF A FREQUENCY POWER ENVELOPE - An apparatus comprising a decision circuit, a detector circuit and a processing circuit. The decision circuit may be configured to generate a confirmation signal in response to a first lock signal and a second lock signal. The detector circuit may be configured to generate the first lock signal in response to a filtered version of an input signal being above a threshold. The processing circuit may be configured to generate the second lock signal in response to a power signal received from the detector circuit. The processing circuit generates the second lock signal by analyzing the rising edge of a frequency power envelope of the power signal.12-24-2015

Patent applications in class Testing of subscriber loop or terminal

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