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7567548 |
Method to reduce the distortion in a voice transmission over data networks
The perceptual quality of voice signals used for Voice over IP (VoIP) systems is assessed. The content of the voice data packets may be altered in order to increase the perceived quality of the...
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7529363 |
Tone detector and method therefor
A tone detector able to detect multicomponent tones for various tone formats is disclosed. An input signal is received and frequency and amplitude components, if any, of each sample of the incoming...
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7486665 |
Transport of DTMF tones over VOATM/VOIP networks
A communication device, such as a Voice over Internet Protocol (VoIP) gateway, determines a duration for Dual Tone Multi-Frequency (DTMF) tone portions of telephony signal. If the duration is less...
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7454005 |
Method and system for creating automated voice response menus for telecommunications services
A method and system for creating automated voice response menus for telecommunications services includes the creation of a task for the menu. The menu includes a group of pre-recorded messages...
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7289491 |
Internet telephony arrangement and method
An arrangement which includes a telephone and an interface unit, which interfaces the telephone to both a standard switched telephone communications network and an Internet communications network,...
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7280643 |
Audio status communication from an embedded device
An embedded device configured to provide an audio status output is disclosed. The embedded device includes a processor, an input button in electronic communication with the processor and a speaker...
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7274779 |
Telephone to telephone data passing system
Various embodiments of the invention provide methods and systems for sending data in-band over a telecommunications network during an active call. Some embodiments provide a telephone user with a...
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7245708 |
Acoustic coupling product label
A system comprises an acoustic coupling product label ( 20 ) for mounting on a product to be serviced. The label ( 20 ) includes a memory ( 23 ) for storing information relating to the product to...
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7088804 |
Systems and methods for information exchange and synchronization using DTMF over telephone communication channels
Systems, methods, protocols and apparatus for information exchange and synchronization using DTMF signaling over telephone communication channels are provided. Information is packetized and...
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7076460 |
Interactive remote auction bidding system
An interactive remote auction bidding system for conducting an auction utilizes a data input device for communication over a network to the auction site. The system includes a data processor...
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7069243 |
Interactive remote auction bidding system
An interactive remote auction bidding system for conducting an auction utilizes a data input device for communication over a network to the auction site. The system includes a data processor...
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7054421 |
Enabling legacy interactive voice response units to accept multiple forms of input
A method of enabling a legacy interactive voice response unit to accept multiple forms of user input can include associating dual tone multi-frequency selectable options of the legacy interactive...
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7013393 |
Universal intelligent card for secure access to system functions
A method and apparatus for secure access to secured system functions utilizing a universal access card. The card includes a bank of tuned amplifier circuits and tuned audio transducers to maximize...
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RE38741 |
Audio communication system
A communication device capable of receiving, processing and sending analog signals, characterized in that the device is coupled to the audio input/output ports of a built-in or external sound ...
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6891944 |
System and method of autodialing for long-distance access
A telephone accessory that is connected to a subscriber's telephone line as an extension, and monitors the line for the initiation of a call from any telephone set. The invention detects a call...
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6771751 |
Systems and methods for information exchange and synchronization using DTMF over telephone communication channels
Systems, methods, protocols and apparatus for information exchange and synchronization using DTMF signaling over telephone communication channels are provided. Information is packetized and...
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6751303 |
Data communication over telephone voice channel using DTMF interface
A multifrequency tone generator sends data over a telephone voice channel. An alphanumeric character generator sequentially generates alphanumeric characters. Preferably, the character generator...
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6741682 |
Method, computer system and program for processing bets and games of chance
Method, computer system and program for processing over the telephone net bets and games of chance including placements of bets and winning requests, comprising: a data base; call distribution...
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6683944 |
Voice transmitter
A voice transmitter includes a first selector for selecting an output of DTMF encoding means or that of voice-DTMF encoding means; DTMF transmission control means for monitoring each state, and for...
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6668043 |
Systems and methods for transmitting and receiving text data via a communication device
A method of transmitting and receiving text data via a communication device is provided. In one embodiment, an incoming message is received at a communication node. The node determines whether the...
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6665383 |
Remote control module for computer and method thereof
Disclosed is a remote control module for a computer, which creates an order to control a shut down and a start of a computer system by analyzing a DTMF (dual tone multi frequency) signal received...
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6643358 |
Telephone answering apparatus and method for confirming an acoustic command signal
A telephone answering apparatus for confirming an acoustic command signal includes a controller operatively connected to an acoustic signal detector and to an acoustic signal generator. The...
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6560320 |
Adaptable subscriber unit for interactive telephone applications
A method for telephone communications includes providing a protocol that defines a relation between predetermined graphic elements and respective sequences of dual-tone multi-frequency (DTMF)...
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6430284 |
System and method for redirecting control of in-band signaling
In a telecommunication system having a network switch capable of independently controlling inbound and outbound call legs, a system for, and method of, redirecting in-band control of signaling...
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6411688 |
Method for transferring dial tone in real time in computer communication system
A method for transferring dual tone multifrequency (DTMF) signals in real time in a computer communications system for performing a telephone call via a modem. In the method, virtual connection...
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6396921 |
Method and system for encoding and decoding typographic characters
A system suitable for encoding typographic characters into two digit base ten values and to decode such values to typographic characters are disclosed. The system maps typographic characters, such...
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RE37569 |
High-speed modem synchronized to a remote codec
A modem that operates reliably at a symbol rate that corresponds to twice its bandwidth even when it is coupled to a receiving A/D converter that operates under control of a clock is realized by...
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6259788 |
Technique for balancing loads in a communication network
In a telephone network, different telephones are connected to a telephone line in a parallel manner. When two or more of the telephones are in use and conduct electricity, known as an "off-hook"...
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6259691 |
System and method for efficiently transporting dual-tone multi-frequency/multiple frequency (DTMF/MF) tones in a telephone connection on a network-based telephone system
A method and system in a network telephony system for transporting audio signals with lower delay when DTMF is not present. The method of transporting audio signals determines whether DTMF signals...
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6236724 |
Methods and apparatus for encoding and decoding data transmitted over telephone lines
A method of generation and detection of acoustic signals carrying alpha-numeric data for reducing the effects of noise and thereby improving signal transmission without the need to boost the power...
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6233323 |
DTMF download technique for digital telephone devices
The present invention utilizes common hardware and software routines already present in most digital telephone devices, e.g., a DTMF detector; to download data over a telephone line to a digital...
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6215515 |
Videocommunicating device with an on-screen telephone keypad user-interface method and arrangement
A videophone apparatus with an on-screen telephone keypad user-interface. The videophone communicates video and audio data over a plain old telephone service (POTS) line and includes a video source...
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6160873 |
System and method for remotely initializing, operating and monitoring a general-purpose computer
A system and method for allowing remote initialization, operation, and monitoring of a general-purpose computer and its power supply through bi-directional control of the computer by a remote user,...
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6104789 |
Method and system for transmitting text messages from a caller to a subscriber at an unknown address
A method and system for transmitting a text message from a caller to a subscriber at an unknown address based on a known address or number associated with the subscriber includes a server...
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6091805 |
Computerized voice response system
In accordance with the teachings of the present invention, a voice response system with visual menus along with audio menus is provided. The system includes a voice response host computer, a touch...
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6011836 |
In-line control of telephony device
A system to control and monitor telephony devices that do not digitally interface with a control device, such as a PC, is disclosed. The control device communicates with the telephony device...
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5999597 |
Method and apparatus for minimizing system oscillations caused by acoustical coupling
An apparatus and method for canceling system oscillations caused by acoustical coupling is provided. The invention can be implemented in a low voltage environment and as an integrated circuit....
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5995557 |
Tone detection with aliasing bandpass filters
To detect a dual tone pair signal in a telephone communication system, the signal is sampled at the Nyquist frequency. The sampled signal is filtered to determine the top three tone frequency power...
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5960067 |
Apparatus and method for parallel transmission of data over a telephone line
An apparatus and method for high speed transmission of data over a telephone line, wherein this high speed is achieved by simultaneously transmitting multiple bits of data over parallel frequencies...
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5949874 |
Method and system for compensating for signal deviations in tone signals over a transmission channel
A user-authentication system includes an authorized user device (AUD) for transmission of DTMF tones to a user-verification system (UVS) over a telephone network, where user-verification is...
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5910980 |
Calling subscriber information notification
Information, such as a calling subscriber number, is furnished to a called subscriber, regardless of the type of subscriber terminal that is accommodated by an access network, which is provided...
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5905780 |
Electronic mail system
Apparatus and method providing improvements in establishing a data path between local and selected remote equipment over non-dedicated telephone lines. The present invention provides for the...
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5903302 |
Automated video call distribution
A video call distribution and method provides the user of a video station with access to a video network conferencing station without human operator assistance, even if the communication protocols...
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5850431 |
Facsimile/voice phone combined device producing DTMF oscillation sound when pushing fax dial buttons
In a facsimile/voice phone combined device of the type having a line interface circuit that includes a transformer for separating an electrical coupling between a telephone line and the combined...
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5838773 |
Personal reader capture transfer technology
A method and apparatus for performing electronic financial transactions is disclosed having a card reader which may determine if the card being read is authorized for use with the card reader. The...
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5835576 |
Telephonic-interface lottery device
A telephonic-interface lottery system D interfaces with a multiplicity of individual terminals T1-Tn of a telephone network facility C to enable lottery players to call and play for at least one...
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5835571 |
Automated telephone service interface
A system and method for automatically interfacing a telephone user to an automated telephone service. The system allows a user to record interfacing to an automated telephone service and save the...
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5825854 |
Telephone access system for accessing a computer through a telephone handset
A telephone access system which provides remote access and communication with a computer through a telephone handset. The system provides audio instructions to the user to select between a...
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5805675 |
Method and system for creating a two-way voice path to facilitate a call prompter/voice prompter feature
A system for facilitating a two-way voice path to permit access to call prompter/voice prompter services regardless of the internal system protocols. The system includes a switch for receiving an...
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5802152 |
Modem speed dialer circuit
A modem speed dialer circuit, used in conjunction with a modem, controls operation of the phone jack of the modem to enable the modem to automatically change the on/off hook status of a connected...
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