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7626399 |
Broken lead detection
The present invention relates to a broken lead testing device for determining whether a lead in a balanced lead pair of a datacom circuit is broken or faulty. Terminated leads are subjected to a...
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7620155 |
Method 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...
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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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7516048 |
Externalized metric calculation engine
Calculating, detecting, observing, and validating operating characteristics, conditions, and metrics, especially quality of service metrics, of a system. The quality of service metrics are reported...
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7076030 |
Method and system for testing XDSL wiring
In an XDSL system, a network interface device can connect between a central office and a customer premises. The network interface device can monitor for an indication to enter a test mode. In the...
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7042984 |
Method for inspecting transmission channels in a communications system having peripheral modules
Transmission channels indicated as occupied in a communications system having peripheral modules are inspected for preparing subscriber-side transmission channels. A test sequence transmitter on...
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7031435 |
Method and apparatus for simultaneous line-interface wiring collision detection
A method uses circuitry in a data interface that provides telephony service over a high-speed network to detect the presence of a secondary source of VBH battery voltage on a tip-ring system. If a...
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7000017 |
System and method for distributing a selected object and for automatically distributing the objects that are associated with the selected object
A system and method for distributing objects to one or more subscribers. The system/method allows an administrator to create a distribution by allowing the administrator to select one or more...
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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...
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6661893 |
Telephone loop monitoring and isolation system
A telephone loop monitoring and isolation device which can be connected to a wireless telephone subscriber unit providing an interface between an analog or digital central station network and the...
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6636585 |
Metrics-related testing of an operational support system (OSS) of an incumbent provider for compliance with a regulatory scheme
Methods are provided for metrics-related testing of one or more operational support systems (OSSs) of an incumbent provider for compliance with a regulatory scheme, the method performed by an...
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6574311 |
Apparatus and method for detecting a bridged tap and/or an end-of-line of a conventional telephone line using delay-line time-domain reflectometry
A delay-line time-domain reflectometer includes a return detector configured to process a discharge pulse produced by discharge of a line capacitor, formed by the physical relationship of a pair of...
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6529598 |
Method and apparatus for digital PABX detection and modem interface protection
The line interface circuit of a modem to be connected to a standard RJ11 jack of a digital PBX (Private Branch Exchange) is used along with software routines resident in the modem to detect the...
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6519320 |
State monitoring method and apparatus in subscriber line test
In a state monitoring method in a subscriber line test in a communication system in which a subscriber telephone and a subscriber terminal are independently connected to a telephone exchange and an...
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6512817 |
Method and apparatus for polling telephony line status in an integrated services hub to reduce power consumption
The present invention discloses a method for reducing battery power consumed by an integrated services hub supporting a plurality of telephone lines. The status of power to the integrated services...
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6480576 |
Method and device for detecting path faults in a network
For testing a network, a connection between an originating station and an answering station is established over the network. Signals are sent over the connection and if the signals are not...
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6449365 |
Method and apparatus providing notification of network conditions
A client/server interface enables a user to provide information to a server relating to a change in the status of a network resource. The user also identifies an intended recipient of a...
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6425132 |
Ingress testing of CATV system utilizing remote selection of CATV node
A CATV system in which a technician in the field requests via a field client that a node of the CATV system be tested for ingress. The CATV system includes a headend facility that is coupled to a...
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6411802 |
Wireless backup telephone device
A wireless telephone backup device for landline telephone equipment that may be located on the customer side of the landline service connection, typically in a restricted access location, such as...
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6400803 |
Voice over digital subscriber line call redirection for lifeline service
Customer premises equipment for a telecommunications DSL subscriber is adapted to provide a lifeline voice service under a fault condition, e.g. a power failure at the subscriber station. The...
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6367035 |
Methods and apparatus for diagnosing and correcting faults in computers by a support agent at a remote location
Apparatus for diagnosing and correcting faults in a host computer having a central processing unit (CPU) and ancillary units. The apparatus is in two parts; a first part in the form of a service...
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6356625 |
Environment monitoring telephone network system
An environment monitoring telephone network system comprises: a plurality M of environment parameters detecting and transmitting units ( 16 ), which transmit data toward the remote acquisition...
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6330440 |
Method of automatically assigning signaling terminals in mobile communication system
A method of automatically assigning a signaling terminal in a mobile communication system comprising the steps of: receiving an alarm from an SSFA and determining whether the SSFA is connected or...
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6282271 |
Modem protection device
A device for protecting a modem against harmful telephone line signals or reversed polarity telephone line signals includes a telephone line interface couplable to a telephone line, a modem...
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6278769 |
Signaling method for invoking a test mode in a network interface unit
A network interface device intended to be placed approximate to the customers equipment and remote from a central office of a telephone company ("TELCO"). The purpose of the network interface...
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6246748 |
Power feeding system using two-wire subscriber lines
A power feeding system includes a line state detector for detecting an operation state of each of a pair of 2-wire subscriber lines connected to the exchange equipment and a transformer for...
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6239699 |
Intelligent alarm filtering in a telecommunications network
Redundant alarm messages generated by a plurality of Network Elements (NEs) in a Synchronous Optical Network (SONET) or Synchronous Digital Hierarchy (SDH) subnetwork are suppressed by a filter...
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6118373 |
Method of remotely detecting an ambient condition
The present invention provides a remote detection device including a conventional measurement device, such as a thermostat, having an internal contact which is wired in series with a resistor and...
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6112249 |
Non-disruptively rerouting network communications from a secondary network path to a primary path
Methods, systems and computer program products for the reassignment of communications sessions to a primary network communications path from a secondary network communications path are provided,...
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6072857 |
Methods and system for monitoring the operational status of a network component in an advanced intelligent network
A method and system for monitoring the operational status of a network element in an advanced intelligent network is provided. Custom telecommunications services, such as a call forwarding service,...
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6052437 |
Subscriber terminal circuit for connecting an analog subscriber line to a digital switching center
An interface circuit with integrated test functions relating to the subscriber line, with a test circuit realized in the simplest case by an ohmic resistance, and comprising a relay circuit having...
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6014425 |
Apparatus and method for qualifying telephones and other attached equipment for optimum DSL operation
Apparatus and method are provided for qualifying POTS devices for optimum operation that involve measurements and analysis of the POTS device's impedance over the modem spectrum, noise emanations,...
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5937032 |
Testing method and apparatus for verifying correct connection of curcuit elements
A method and apparatus for testing for correct connection together of circuit elements in a circuit formed of a plurality of redundant circuit portions. A coded signal is generated at a first...
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5937029 |
Data logging system employing M N +1! redundancy
A novel logging system employing M (N+1! redundancy is disclosed having applications in recording both voice and facsimile transactions. The logging system includes M chains of N+1 loggers. Each...
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5896440 |
System and method for providing a unified communications link between divergent communication networks
A unified communication system is designed using an agreed upon transmission protocol between different carriers. The protocol is used to allow the automatic gathering of administrative data (such...
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5887050 |
Repeater apparatus having isolation circuit
A repeater apparatus includes a first trunk circuit for receiving and sending data input from and to a first section of the communication link and a second trunk circuit for receiving and sending...
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5881128 |
Technique for preventing data stored in a memory of telephone system from being corrupted during power failure
A circuit for preventing data stored in a memory of a telephone system from being corrupted including: a memory for receiving a plurality of control signals from the processor and for storing...
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5862200 |
Ground fault detector for T1 span equipment
A ground fault detector for TI span equipment for transmitting signals from a central office to a network interface unit and receiving signals at the central office from the network interface unit....
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5857010 |
Power-failure resistant communication system
A communication system for connecting a terminal through a communication channel for a communication signal and a control channel for the control signal is constructed by a decoder for decoding a...
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5852650 |
Method for recovering a faulty unit and a recovery system
In a method and system for recovering a faulty unit, a predetermined number of recovery periods, and the maximum number of times a recovery act is carried out during a recovery period, are defined....
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5835564 |
Method for enhancing the reliability of a wireless telecommunications system
A method for determining the operational status of base stations deployed in a cellular telecommunications system comprises continually sharing operational status data with adjacent base stations...
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5818926 |
Switching device for telecommunications channel
A switching device for a telecommunications channel. The device comprises a voltage detector, a switch, and a storage device. The voltage detector produces an output voltage if the voltage between...
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5809111 |
Telephone control module and user site network and methods of operation
A multi-station telephone system having a telephone control module (24) based user site network is provided. The system includes a plurality of electronic devices (26) located at a user site (12)....
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5802151 |
Telephone interface protection circuit and modem using same
A telephone interface protection circuit and modem incorporating the telephone interface protection circuit. The circuit includes a sensing circuit and a determining circuit. The interface...
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5793956 |
Method and system for testing an audiotex system
An automatic method and system for testing an audiotex system. The method includes generating an input signal for receipt by the audiotex system, identifying a failure if the audiotex system fails...
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5790631 |
Wireless drop
A wireless transceiver connects to a telephone line network terminal, in place of a disabled subscriber drop cable. A second wireless transceiver connects to customer premises wiring, typically at...
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5768341 |
Communications channel testing arrangement
A switching arrangement that can be connected in a communications channel that comprises a pair of lines between sets of terminal equipment, which comprises: (i) a series switch (1,2) for...
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5751789 |
SNID with wireless backup
A smart network interface device (SNID), connects between the drop cable of a telephone line and customer premises wiring. To provide backup for the telephone line service, the SNID includes a...
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5719917 |
Circuit for activating back-up lines
Disclosed is a circuit which permits automatic switching between a main line and spare line at a subscriber's network interface device. A relay is provided between the two lines, which relay is...
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5689546 |
Performance monitoring system for T1 telephone lines
A system for monitoring the performance of T1 digital transmission lines by incorporating a common unit interconnected to a plurality of network interface units as well as to a spare transmission...
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