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| Number | Title | Issue Date |
| 7050549 | Real time call trace capable of use with multiple elements A system for testing and monitoring the operation of telephone systems uses a call trace method for capturing messages associated with a phone call. The system can provide an indication as to the time a particular triggering signaling message (e.g., IAM or RLC messa... | 05/23/2006 |
| 6978005 | Method and system for implementing a service in a telecommunication network The invention relates to a method for implementing a service in a digital multiple-service network comprising an exchange, a first telecommunication terminal connected to the multiple-service network via a first interface and a second telecommunication terminal conn... | 12/20/2005 |
| 6876890 | Method and system for customer-specific field testing in a wireless communication system A method and system for collecting test data at a customer premises site. A computer receives a customer-specific input record that defines test measurements to be taken at the customer premises site. The computer then directs a test meter to take the designated mea... | 04/05/2005 |
| 6453016 | Method and apparatus for detecting and locating a fault in a telecommunications environment The invention presented herein is directed to a remotely addressable maintenance unit (RAMU) working in conjunction with a test head at the central office for detecting and locating faults in digital subscriber loop (DSL) and/or plain old telephone system... | 09/17/2002 |
| 6343114 | Remotely addressable maintenance unit The invention presented herein is directed to a remotely addressable maintenance unit (RAMU) working in conjunction with a test head at the central office for detecting and locating faults in digital subscriber loop (DSL) and/or plain old telephone system... | 01/29/2002 |
| 6078656 | Method for updating a local switch internal database in a system having different service providers within a common numbering plan area A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 06/20/2000 |
| 6049591 | Grievance call processing system A grievance call processing system capable of automatically shifting a grievance call reception state to a test state. An electronic switchboard notifies the telephone number information of a subscriber to a workstation, which stores and displays the tele... | 04/11/2000 |
| 6000049 | Physical packaging position information processing system A physical packaging position processing system of an exchange having exchange proper software and a terminal unit connected to the exchange and having terminal software. The exchange proper software has a system fixed database which is common to the whol... | 12/07/1999 |
| 5912946 | Method for detecting improper delivery of parameters, in an initial address message, from an interconnecting switch A method for detecting improper delivery of parameters in an initial address message (IAM), such as a calling party number (CPN), for calls set up to a switch over SS7 trunk groups connected to other carriers is described. When a call originates from a sw... | 06/15/1999 |
| 5870452 | System and method for controlling message looping between network elements In the proposed Local Number Portability (LNP) telecommunications network, the traditional link between the first six digits of a ten-digit dialed number and the geographic link of a switch is broken. Some pre-LNP telephone services, however, have been im... | 02/09/1999 |
| 5802143 | Identification of damaged cable pairs in a telecommunications network and restoration of telephone service to subscribers A method for identifying damaged cable pairs in a pulp cable comprises arbitrarily attaching proximal ends of damaged cable pairs to ports on a first connector block of a service restoration system (SRS), and arbitrarily attaching distal ends of damaged c... | 09/01/1998 |
| 5511108 | Apparatus and method for performing and controlling testing of electrical equipment An administrative computer and testing apparatus device is provided. The administrative computer is coupled to the testing apparatus so that the test data can be correlated with administrative information such as the location of the equipment tested. The ... | 04/23/1996 |
| 5479473 | Method and apparatus for testing call paths over long distance carrier networks A remote test site is connected to a maintenance port of a long distance carrier switch. The remote test site is capable of placing calls through the maintenance port of the long distance carrier switch, testing from the switch forward to the called party... | 12/26/1995 |
| 5384822 | Computer controlled test facility for a telecommunication switch A plurality of telephone devices responsive to computer commands are connected to a telecommunications switch. A computer controlled apparatus sends command messages to the telephone devices causing them to initiate conventional actions such as dialing. T... | 01/24/1995 |
| 5361298 | Telecommunications service provision equipment transfer This invention relates to arrangements for simplifying the transfer of a source of telecommunications signals, such as a telecommunications customer line or telecommunications trunk, from a first port of a switching system to a second port of that same sw... | 11/01/1994 |
| 5187732 | Board-to-board test unit for a digital subscriber line An upstream PCM link accommodated in a new switch is bridged to a downstream PCM link accommodated in an old switch in the normal operating condition. A test unit sends the number of a subscriber to be tested to an old and new switches. The old switch sen... | 02/16/1993 |
| 5187733 | Verification of subscriber lines prior to cutover to a new switching system The present invention addresses an improved solution to the problem of cutover verification testing where a new digital switching system is to replace an existing switching system that serves at least a group of subscribers via continuous wire lines. It p... | 02/16/1993 |
| 5065422 | Subscriber call simulator capable of testing new services of a telephone switching system Connected to a telephone switching system through subscriber lines, a subscriber call simulator acts as a plurality of pseudo-subscriber's telephone sets. An input/output section inputs control procedure information for the pseudo-subscriber's telephone s... | 11/12/1991 |
| 4937850 | Programmable automatic call-thru set The present invention provides a test set which checks the communication line from a central office to a telephone responder which has a predetermined telephone number and which generates an output signal consisting of a predetermined sequence of signals.... | 06/26/1990 |
| 4736402 | Signaling arrangement An interface unit connected to one end of a communication path is arranged to conduct a transmission test of the path before exchanging information with an interface unit connected to the other end of the path and to signal the results of the test by term... | 04/05/1988 |
| 4639557 | Remote testing system for electrical circuits An apparatus for remotely testing electrical circuits, such as telephone circuits, includes a stand-alone unit which is located in the end office, for example, for remote access by use of an ordinary push-button telephone set sending dual tone multiple fr... | 01/27/1987 |
| 4629836 | Method and apparatus for accessing communication systems An apparatus and method for accessing communication systems includes a microprocessor for controlling said accessing. Communication line access is accomplished by an interface with test trunk equipment and MDF shoes. Capability for generating dial pulse, ... | 12/16/1986 |
| 4621354 | DTMF receiver sense and control maintenance arrangement The DTMF receiver sense and control arrangement collects and stores multiple customer originated data for determination of customer identification, validity and billing purposes. This arrangement is part of a telecommunications switching office and monito... | 11/04/1986 |
| 4594480 | Apparatus for automatically checking the correspondence between the numerical codes of telephone subscribers and the different transmission and distribution identification codes of the telephone pair assigned to each subscriber The automatic testing apparatus is connected to a power supply system and to the connecting terminal of transmission and distribution lines of a subdistribution frame in a telephone installation. The apparatus comprises a keyboard for successively enterin... | 06/10/1986 |
| 4453048 | Arrangement for subscriber line ring testing An arrangement for automatically testing a plurality of subscriber lines, which are operationally connected to an electromechanical switching system is shown. Operational service is to be transferred from the electromechanical switching system to a digita... | 06/05/1984 |
| 4430530 | Telephony system with automatic test call generator for remote port groups A telephony network with a digital central office and one or more remotely located digital satellite units. Each digital satellite unit connects to a number of remote subscriber lines and monitors these lines to establish communications through interconne... | 02/07/1984 |
| 4366350 | Control system for telephone switching system A telephony system with automatic test calling. Test access circuitry connected to port circuits enables the test call circuit to select actual ports for a test call and monitor the test call signals. Test calls are initiated either on a periodic basis on... | 12/28/1982 |
| 4314110 | System for the testing of telephone switching systems A system for generating calls in order to test telephone switching systems by simulating traffic loads has line interface circuits which send calls independently and in selected sequence on any number of a group of lines into the telephone switching syste... | 02/02/1982 |
| 4311882 | Method of and arrangement for testing traffic routes in telecommunication networks One central unit (NQTC) provided per network section controls a number of remote units (NQTR) distributed over the network section by transmitting to them all data needed for a sequence of test calls via a switched line. The remote units perform the test ... | 01/19/1982 |
| 4255625 | Call processing monitor system The present invention is a call processing monitor circuit for dynamically verifying the operation of a telephone switching center. This system provides for continuously testing a telephone switching center's ability to process telephone traffic. This is ... | 03/10/1981 |
| 4238649 | Call simulator Traffic simulator for tandem exchange testing. The simulator comprises a calling side module (CAM) to simulate a calling exchange, with facilities for the selection of dialling information, type of test operation and signalling code and connected to the t... | 12/09/1980 |
| 4021624 | Automatic call generator An automatic call generator is connectable with the main distribution frame of a common control telephone system and monitors the operation of the system. To this end, the automatic call generator is connected to dedicated line and trunk circuit ports and... | 05/03/1977 |
