Abstract:
A call recording test suite comprising a call recording test manager stored and operating on a network-connected computing device and a test database, wherein the call recording test manager connects over a network to a call recording system and verifies the existence of an expected call recording and stores the results of the query in the database, and a method for call recording testing for a specific call recording, and a method for call recording testing using a synthetic test call.
Abstract:
A test system (1) IS for testing a communication network. It comprises remote test devices (4) to transmit and receive communication signals via the network (5) under test. A central client system (10) receives and processes user test instructions and routes corresponding test commands to the remote test devices 94). The test devices (4) communicate with the central client system (10) including routing network under test responses to the central client system. The test device (4) comprises a speaker coupled with a microphone, and a modem (4) coupled with the microphone and arranged for communication via the network under test. The client system comprises an application server (10) adapted to generate emulation screens and download them to a client terminal (11), to receive inputs made on the screens, and to interpret them as test commands for a test session. The screens include display controls emulating mobile or fixed telephone device user interfaces, including numbers to be dialled, and messaging inputs, and also displays of responses from the network under test. A device controller (25) manages a plurality of threads to a plurality of test devices.
Abstract:
The present invention utilizes a network processor as part of a test system for testing network environments and devices, and particularly VOIP networks and devices. The network processor is used as part of the test system and is precisely controlled by software to provide a variety of functions in order to test a network environment and devices. The test system incorporating the network processor may be programmed to process packets, create packets, receive packets and analyze packets. The test system thus provides simulation of network conditions using high bandwidth interfaces, a sniffing functionality with packet to flow correlation on high bandwidth interfaces, the capture and/or creation of network profiles, and the capture and analysis of network packets.
Abstract:
The invention relates to an operation and maintenance center (OMC 7) that comprises a test device (8) which initiates, if alarm notifications (1) are received by the OMC (7), a test in response to said alarm in the hardware (5) of the telecommunications network (6) associated with said alarm. and transmits the results of said test to a superordinate national maintenance center (NMC 10) indicating the components which are affected by said alarm notification (1). The test is carried out in the OMC (7) according to a table (11), taking into consideration the manufacturer-specific peculiarities of the hardware (5) affected by the error notification (1).
Abstract:
A wide band noise extrapolation test system, which resides within a processor-controlled test head installed in a central office, or as part of test signal generation and processing circuitry of a craftsperson's test set, processes data derived from applying single ended stimuli to a plurity of wirelines. The processing mechanism accurately and reliably identifies the locations and amplitudes of remote noise sources for each of the wirelines, by determining attenuation along and the lengths of the wirelines, and then modifying values of noise measurements in accordance with the determined attenuation and length values, so as to extrpolate the amplitudes of the noise at their identified source locations.
Abstract:
A test system automatically locates impedance mismatched, energy reflection discontinuities (e.g., bridged taps) along a wireline communication link, by coupling a linearly stepped sinusoidal waveform to a measurement location of the wireline link. The applied waveform propagates down the link and is reflected back from the energy reflection discontinuities. A line monitoring receiver coupled to the measurement location samples the response of the line to the swept waveform. A response processor executes a frequency domain reflectometry algorithm to analyze the frequency response of the wireline to the stepped frequency waveform. It then generates an output representative of distances from the measurement location to the bridged taps.
Abstract:
In order to ensure that a digital exchange can carry out proper one-time charge determination for payable connections, it is necessary to verify the accuracy of the communication data records generated by the digital exchange (20). Existing test systems can merely test the formal structure of the communication data record. The invention aims to facilitate a more precise verification of the communication data record. To this end, the invention provides, among other things, a system which contains at least one test unit (40) that can be connected to the digital exchange (20). The test unit (40) comprises a device for generating a connection-related reference data record, whereas the digital exchange (20) can generate at least one connection-related communication data record from transmitted communication elements. The contents of the connection-related reference data record are compared in an evaluation unit (50) with the contents of each corresponding connection-related communication data record.
Abstract:
The invention generally relates to a modem connected via a digital interface to a switched public telephone network and to a method for probing the line properties. The modem communicates with a second modem also connected via a digital interface to the same switched public telephone network. The public telephone network may incorporate voice compression devices (ADPCM G.726, G.723 etc.), digital pads (digital attenuators), robbed bit signalling and echo cancelling devices. The probing sequence of the invention uses large amplitude changes in a symbol sequence (each symbol having a duration of 125 mu s). After that single amplitude change, the signal may return to the previous value or continue with the new amplitude value for a number of symbols. The number of symbols is selected to be larger than any expected impulse response of a digital impairment of the channel. The amplitude value change must be large enough to produce a sufficient result in the presence of digital pads with or without the presence of RBS.
Abstract:
A system for interactive voice response system crawling, comprising an IVR crawler that may be VXML, design specification, DTMF or ASR/NLSR speech-based in nature and traverses an IVR menu to discover possible interaction paths and produces test cases based those paths, and a database that stores test cases produced by the IVR crawler during operation, and a method for interactive voice response system crawling utilizing the IVR crawler of the invention.