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7295663 |
Network communication system
The present invention is directed to a network communication system that provides textual communication and call transferring between nodes. The system further allows simultaneous notification of...
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7272215 |
Automatic rapid switching between DSL service and POTS over loaded loops
The preferred embodiments of the present invention generally provide improved communications over a subscriber loop that is loaded with at least one and potentially a plurality of load coils. The...
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7227934 |
Method and apparatus for processing multiple signals transceived through a coupling
Conventional modems coupled in parallel to a coupling need a sharing apparatus, which can be avoided by providing each modem with a detector for detecting upstream/downstream signals to be...
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7227933 |
System and method for remote management of a DSL device
Remote access and configuration of a digital subscriber line (DSL) device using a telephone line. From a remote location, an operator can access the DSL device and receive data, including an...
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7177408 |
Devices, softwares and methods for selectively limiting the duration of an individual Modem-On-Hold session
Devices, softwares and methods selectively limit a duration of an individual modem-on hold session. A network device receives and holds data for an individualized on-hold timeout time limit for...
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7142649 |
Dedicated data modem system and method
A data modem aggregator system and a method of initializing a data modem is disclosed. In a particular embodiment, the data modem aggregator system includes a plurality of data ports configured to...
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7130395 |
Method and system for reducing cross-talk and avoiding bridged taps
The present invention establishes a communications link between a central office (CO) modem and a customer premise equipment (CPE) modem. The CO modem then evaluates the performance of the...
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7127049 |
System and method for enhancing the activation of DSL service
A system enhances automation of activating network service between a customer modem and a central office modem over a digital subscriber line (DSL) link. The central office modem couples the...
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7106839 |
System for providing analog and digital telephone functions using a single telephone line
An improved telecommunication device for simultaneous and independent communication of analog signals and digital data is disclosed. Processing of analog signals enables functions including, for...
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7103159 |
Off-hook notifier
A method for handling an off-hook event can include the step of detecting an off-hook event with a modem communicatively linked to a circuit loop in which the off-hook event occurs. The detection...
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7095831 |
Devices, softwares and methods for selectively limiting the total modem-on-hold timeout time of a single log-in session
Devices, softwares and methods limit the total Modem-On-Hold (“MOH”) timeout time of a single log-in session. When a logged in user requests a Modem-On-Hold session, a server counts the...
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7046773 |
System and method for preventing telephone line blocking by a modem
A modem includes a Digital Access Arrangement (DAA) Circuit and modem software that is executed by a processor. When the DAA Circuit detects that the modem software is nonfunctional, it enters an...
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7020272 |
High density signal classifier for media gateways
A signal classifier decomposes a subject signal into subbands. The signal classifier then analyzes the subbands for a presence of energy and uses detection logic to classify the energy as being...
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6985565 |
Configurable DSL modem for high bit rates
A method for configuring a multi-port digital subscriber line (DSL) modem, the method begins by utilizing frequency bands of a single DSL channel to support a data communication when loop length of...
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6934368 |
Multi-band modem
A method for communication includes modulating a stream of data in accordance with a voice-band modem specification, so as to generate a modulated signal. The modulated signal is up-shifted to...
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6901138 |
Digital communication system using telephone line and initializing method thereof
Disclosed is an initializing method of an xDSL modem in which a gain of an amplifier for the reception is set to the maximum to detect a received signal when a communication channel is established...
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6895085 |
System and method for preventing telephone line blocking by a modem
A modem includes a Digital Access Arrangement (DAA) Circuit and modem software that is executed by a processor. When the DAA Circuit detects that the modem software is nonfunctional, it enters an...
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6895042 |
Apparatus and method for pre-provisioning of broadband access to subscribers in a telecommunication system
An apparatus in a telecommunication system provides access to telecommunication services to subscribers at user terminals. Each of terminal is separately connected to an access point via high speed...
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6868502 |
Combination analog and digital modem
A combination modem including at least one line connector that is configured for coupling to a transmission medium, analog modem logic that is capable of performing analog modem communications via...
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6826225 |
Integrated modem and line-isolation circuitry with selective raw data or modem data communication and associated method
An improved modem architecture and associated method are disclosed that integrate modem functionality and line-side isolation functionality while also providing a modem interface that allows raw...
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6801602 |
Method of initiating a call feature request
A method of allowing a telephone network user to initiate a call feature request during an in-progress call using a conventional touch tone telephone with a telephone handset and conventional touch...
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6782082 |
Method and system for reducing cross-talk and avoiding bridged taps
The present invention establishes a communications link between a central office (CO) modem and a customer premise equipment (CPE) modem. The CO modem then evaluates the performance of the...
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6781989 |
Method to support VLANs on a phoneline network
The present invention is a method of communicating within a phone line LAN. The method includes the assignment of a unique VLAN ID to each node of a VLAN. A VLAN header is attached at a source node...
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6763097 |
Source adaptive digital subscriber line and method
A communication system includes a plurality of subscribers having a telephone set and different types of home modems coupled using twisted pairs to a local server that includes a plurality of...
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6754318 |
Configurable multi-port modem to achieve a high bit rate in a DSL system
A configurable multi-port modem includes a plurality of hybrids, a plurality of receivers, a plurality of transmitters, and a switching module. Each of the plurality of hybrids is operably coupled...
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6711245 |
Method and apparatus for processing call progress of a serial communication device
The present invention includes a method and system to provide the capability of a serial based analog modem to play its connection call progress in a digital format, thus eliminating the need for...
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6690718 |
Asymmetric digital subscriber line transceiver unit-card and method of controlling the same
An asymmetric digital subscriber line transceiver unit-card (ATU-C) and a method of controlling the same. The ATU-C includes: a power supply unit; a plurality of modems to be connected to a...
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6687371 |
Maintaining an off-hook condition during a call bridge
A line powered codec which adaptively allows operation with power supplied from a telephone line in many countries as conditions warrant. A startup procedure uses country-specific register...
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6674846 |
Method and system for modem pulse dialing in a telecommunication system
The method and system determines if modem pulse dialing has been requested in a telecommunication system having both a modem and an associated modem driver. When modem pulse dialing is requested, a...
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6665350 |
Method and system for improved analog signal detection
A method and system for improved detection of analog signals, where the analog signals may be composed of one or more analog frequencies. In the method and system, an analog signal is received. A...
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6658097 |
Codec circuit and method for increasing the data transmission rate during a modem transmission
Codec circuit for increasing the data transmission rate in a modem transmission with a first programmable digital filter ( 13 ) which is connected into a transmission signal path of the Codec...
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6647100 |
Universal Serial Bus datapump command interpreter
A communication system for communicating over a Universal Serial Bus comprising a data pump and a controller is described. The data pump is physically separated from the controller element and is...
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6625263 |
Method, device for detecting the calling of a telephone and modem including such a device
The invention relates to a digital device for detecting the hold by an apparatus of a telephone line into which is plugged a modem employing band superposition transmission, the modem sending a...
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6594467 |
Unidirectional communication scheme for remote maintenance and control in a broadband wireless access system
A system and method for remote maintenance and service of one or more wireless modems in communication with a wireless hub is provided. The system and method include the capability of the wireless...
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6587560 |
Low voltage circuits powered by the phone line
A communication system is provided with a power supply budget such that portions of a phone line side circuit are powered from the TIP and RING phone lines while using standard electronic devices...
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6584122 |
Method and system for providing voice and data service
In one embodiment, a method for providing voice and data service includes receiving voice telephone signals and data signals, and transmitting packets in a single protocol link layer over a...
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6546091 |
Automatic detection of phone system settings for dial-up modem connections
A method and apparatus for automatically establishing a data connection includes a telephone line interface circuit coupled to a subscriber telephone line, and a modulator and demodulator circuit...
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6539081 |
Method of establishing signaling rate for single-line digital subscriber link providing extended range ADSL service with auxiliary pots channel
An autobaud mechanism is executed by transceivers coupled to opposite ends of a communication loop, such as an extended range SDSL loop, to resolve the maximum data rate that can be supported by...
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6532279 |
High-speed data communication over a residential telephone wiring network
A method and system for communicating between a number of computers within a residence over an active telephone network, and for communicating data between a telephone exchange and the residence in...
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6522731 |
Data communication apparatus
An on-hook/off-hook detection circuit ( 61 ) detects the voltage level of a telephone line C and thus detects whether the audio band communication using the telephone line C is in on-hook state or...
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6477595 |
Scalable DSL access multiplexer with high reliability
A digital subscriber line (DSL) multiplexer is used in conjunction with a DSL modem to provide a reliable high speed connection for an end-user. The scaleable DSL multiplexer supports multiple DSL...
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6442248 |
System for providing analog and digital telephone functions using a single telephone line
An improved telecommunication device for simultaneous and independent communication of analog signals and digital data is disclosed. Processing of analog signals enables functions including, for...
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6430273 |
System and method of providing a bi-directional DSL connection
A system for providing a bi-directional digital subscriber line connection to a network includes a digital subscriber line access multiplexer with a pool of digital subscriber line modems, and...
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6430199 |
Method and system for distributing telephone and broadband services over the copper pairs within a service location
A method and system for distributing broadband digital and telephone signals arriving at a subscriber's home simultaneously over existing in-house four wire quad cable. The combined telephone and...
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6404861 |
DSL modem with management capability
A modem using digital subscriber line (DSL) provides high speed access over a copper plant. The DSL modem exchanges management information to a terminating multiplexer using a proprietary protocol,...
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6381268 |
Methods and device for estimating and correcting clipping in a discrete multi-tone communications system
A method for obtaining a reliable estimate of the transmitter clipping error compliant with T1.413 ADSL standard is disclosed. An architecture is disclosed that uses the clipping error estimate at...
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6370132 |
Mobile terminated call routing in a network access server/interworking function
Mobile terminated calls arriving at a network access server configured as an Interworking function (IWF) are routed to a particular modem in the network access server by means of a table maintained...
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6359972 |
Line in use detection
An apparatus and method for ascertaining states of a telephone line. A communication device, such as a modem, is coupled to a telephone line that also has other communication device or devices...
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6345088 |
Apparatus and methods for handling call waiting in a modem
A modem that handles interruptions caused by call waiting signals is described. When the modem detects a call waiting signal, the modem alerts the user to the presence of the call waiting signal,...
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6324268 |
Splitter-less digital subscriber loop modems with improved throughput and voice and data separation
A digital subscriber loop (DSL) modem and methods for controlling a DSL modem are provided which support simultaneous voice and data communications, wherein the voice communication is provided in a...
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