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8160209 |
IVR call routing testing
A call routing test and verification system for an interactive voice response (IVR) system including an automated test driver (ATD) for connecting to a IVR system over a public switched telephone...
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8149993 |
Evaluating performance of a voice mail sub-system in an inter-messaging network
One preferred embodiment of the present invention provides a system and method for evaluating the performance of a network interface sub-system of an inter-messaging network of voice mail systems....
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8111811 |
Methods, devices and computer program products for providing customer service call direction based upon remote diagnostics
Directing customer service calls based upon remote diagnosis of customer premises equipment (CPE). CPE information is received remotely from the CPE. Network status information is received from a...
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8054947 |
Apparatus and method for multiplexing communication signals
In a PBX environment, a middleware module abstracts communication cards so that the plurality of channels associated therewith are grouped for efficiency. The middleware module recognizes...
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7991123 |
Control circuit for causing cyclic application of sealing current for local loops supporting data network telephony
A system for causing application of sealing current to one or more local telephony loops has a current source; a switching interface for connecting the current source to the one or more telephony...
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7912184 |
Voicemail test system
A method and system for testing a Telephony User Interface is disclosed. Voice prompts of the Telephony User Interface are converted into tone prompts that are representative thereof. Each tone...
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7787386 |
Method and system for self-testing a line card
According to one embodiment of the invention, a method for self-testing a portion of a line card having a digital signal processor for manipulating data received by the line card, and a transmit...
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7555306 |
Method and system for mobile device performance monitoring
A method for monitoring performance of a mobile device involves intercepting a first monitoring request from a monitoring management host, where the first monitoring request is associated with the...
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7330502 |
Input/output circuit and semiconductor integrated circuit
An input/output circuit includes a reference clock generator configured to generate a reference clock. A signal transmitter is configured to transmit serial data in synchronization with one of the...
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7304957 |
Methods and systems for simultaneous, multi-channel link fault sectionalization testing
Method and systems for simultaneously performing link fault sectionalization (LFS) tests for multiple time division multiplexed (TDM) channels are disclosed. An LFS test state machine may...
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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...
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7263176 |
Diagnostic checking of an inter-messaging network
One preferred embodiment of the present invention provides a system and method for checking the performance of sub-systems in an inter-messaging network of voice mail systems. This preferred...
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7221938 |
System and method for multi-modal monitoring of a network
A system and method for multi-modal monitoring of a network are disclosed. In one embodiment of a system incorporating teachings of the present disclosure, a network management engine may be...
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7027589 |
Single-ended loop test circuitry in a central office DSL modem
A central office modem (50) that includes the capability of single-ended loop testing (SELT) is disclosed. The modem (50) includes a digital signal processor (54), a codec (56), line driver and...
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7020248 |
Apparatus and method for testing subscriber loop interface circuits
A method and apparatus for internally testing portions of a subscriber loop interface circuit. Testing may be conducted on a semiconductor circuit including the subscriber loop interface circuit....
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6870903 |
Method and apparatus for self-testing a customer services terminal and for loop testing telephone lines that are connected thereto
A telecommunications system includes a telephone exchange and a customer services terminal whose input is connected to the telephone exchange, and whose plural outputs are individually connected to...
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6870902 |
Customer services terminal method and apparatus for testing a plurality of interface circuits and telephone lines that are connected thereto
Customer services terminal input connected between telephone exchange and outputs. Interface circuits provide service between input and outputs Test means applies test conditions to interface...
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6856672 |
Graphic user interface method and apparatus for testing a customer services terminal and a plurality of telephone lines that are connected thereto
A telecommunications system includes a customer services terminal that is connected intermediate a telephone exchange and a user location that has a plurality of telephone lines. The customer...
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6766164 |
System and method for providing radio frequency conditions for testing wireless communications equipment
An apparatus and a method for recreating radio frequency (RF) conditions of a cellular network extracts significant RF effects from field test data, and recreates variable RF attenuation using a...
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6754310 |
Telephony interface device for providing diagnostic information to a telephone
An apparatus for providing diagnostic information to at least one telephone includes a telephony interface device operatively coupled to at least one telephone through a telephone line. The...
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6580782 |
Interactive telephone response module
A system and method for testing a telephone connection using an interactive telephone response module (ITRM). In one embodiment, the ITRM is connected between the handset and station set of a...
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6574333 |
State machine based universal voice grade cards
A fiber to the curb communication system providing telephone service to subscribers using line cards which are pluggable into a broadband network unit. The line cards provide telephone service to...
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6507737 |
Method for automatically monitoring continuity and integrity of communication trunks
Method for automatically determining whether a communication trunk is operating properly without having to take the trunk out of service and without the need of a craftsperson to initiate the...
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6427011 |
Modem data access arrangement without diode bridge
Computers commonly connect to remote computers and networks using the telephone lines. A telephone line is composed of a positive line (Ring) and a negative line (Tip). Because there is no...
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6393103 |
Method and apparatus for emulating telephone services
A method and apparatus for simulating telephony services and providing information about telephony services and products without the use of a public carrier telephone system. The system includes at...
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6181775 |
Dual test mode network interface unit for remote testing of transmission line and customer equipment
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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6125107 |
Dual-band RF test interface circuit
A test equipment interface circuit capable of acting as an interface between a wireless transceiver and a piece of test equipment for both high frequency band signals and low frequency band signals...
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6081509 |
Simulator for multiple network interface units
A special network interface unit (NIU) for a communication system, called a super NIU, simulates operations of multiple NIUs, called virtual NIUs, for such purposes as testing other components of...
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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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5889837 |
Testing a subscriber terminal of a wireless telecommunications system
A subscriber station provides the wireless connection of user telecommunications equipment to a remote central station of a wireless telecommunications system. The subscriber station includes a...
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5881129 |
Self-monitoring line interface circuit
A line circuit whose circuit components are selectively controllable by a microprocessor/DSP to provide normal BORSCHT functions or to be selectively tested without need for an electromechanical...
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5875398 |
Method and apparatus for testing cellular services in a first location from a second location remote from the first location
A remote automated cellular test set can be disposed in a first location and accessed via a communication network from a second location that is remote from the first location. The access to the...
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5761273 |
Analog self-test circuitry for a trunk interface
An integrated circuit is provided for a trunk interface which can test a trunk interface card. Switching circuitry couples tip and ring leads to signal detection circuitry which detects the typical...
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5566161 |
Adaptive DS1 frame format conversion device for remotely monitoring and testing the performance of telephone circuits
An improved network interface unit (NIU) for remotely monitoring and testing the performance of DS1 telephone circuits, installed on the network side of an interface between customer premises...
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5054050 |
Drop testing in fiber to the home systems
Disclosed is a means for testing drop wires in digital loop systems which employ optical fiber up to a distant terminal near the subscriber's premises. A test module is provided at the distant...
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4903323 |
Call box
A communication system having a base station and a number of field units employs a virtual hold technique and a self-testing technique. In the virtual hold technique, when a field unit is put on...
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