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| Number | Title | Issue Date |
| 7676031 | Method and apparatus for selectively terminating current in a digital subscriber line (DSL) modem A method and apparatus for selectively terminating sealing current in an asymmetric digital subscriber line modem is provided. The technique comprises providing a mechanism (e.g., a resistor or suitable current sink) to a DSL modem (e.g. an ADSL modem or any XDSL mo... | 03/09/2010 |
| 7512220 | DSL modem and a method of providing operating power for same An xDSL modem apparatus for installation on a telephone jack wall plate. The apparatus includes a port for transmitting and receiving carrier waves, a low-pass filtering means, a high-pass filtering means, and a band-pass filtering means. The low-pass filtering mean... | 03/31/2009 |
| 7362841 | Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with switchable DC termination impedance A digital direct access arrangement (DAA) circuitry may be used to terminate the telephone connections at the user's end that provides a communication path for signals to and from the phone lines. Briefly described, the DAA provides a programmable means for the DC t... | 04/22/2008 |
| 7356409 | Manipulating a telephony media stream Systems, methods, and data structures for pluggable terminals are provided. Pluggable terminals are part of client and server TAPI communications systems. Pluggable terminal allow third parties to provide their own media processing devices and implement control meth... | 04/08/2008 |
| 7324501 | Method and system for multicasting over a UTOPIA bus According to one embodiment of the invention, a method for multicasting data includes receiving, at a line card multicast data and an indication of a plurality of destinations for the multicast data. The method also includes transferring the multicast data over a co... | 01/29/2008 |
| 7313606 | System and method for automatic configuration of a bi-directional IP communication device During manufacturing, a unique bi-directional IP communication device identifier, such as a gateway serial number, is assigned to a each bi-directional IP communication device, preferably a DSL gateway. Once an order for such a device is received from a user, the un... | 12/25/2007 |
| 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 multiple nodes of an incoming call. The system includes a local comput... | 11/13/2007 |
| 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 preferred embodiments of the present invention will support digital su... | 09/18/2007 |
| 7272173 | Activation of multiple xDSL modems with implicit channel probe A communication apparatus and method utilizing a Digital Subscriber Line (xDSL) modem that is selectively connected to a central communication apparatus to perform a full duplex communication. A communicator transmits a plurality of Mode Request (MR) signals to the ... | 09/18/2007 |
| 7260203 | Method and apparatus for routing calls based on identification of the calling party or calling line A method and apparatus for routing calls for a subscriber based on the identification of the calling party or the originating line. Generally, the present invention operates to identify a calling party or originating line and then select a routing list based on this... | 08/21/2007 |
| 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 operational parameter regarding the device, and upload an operational param... | 06/05/2007 |
| 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 transceived by other modems coupled in parallel. The detector has a distingui... | 06/05/2007 |
| 7221741 | Dialing using caller ID A telephone and voice mail (voice processing) system, which is implemented using only a single processing means for controlling operation of both the telephone system and the voice mail system, permits a user to call back a party using caller ID data stored with a v... | 05/22/2007 |
| 7212627 | Line interface with analog echo cancellation A line interface performs echo cancellation without the use of a hybrid filter network and includes a transmit path having a line driver, a single matching network terminating the line, and a single transformer. The transformer uses split windings on both the primar... | 05/01/2007 |
| 7200176 | Transformerless ethernet controller Transformerless ethernet controller. A method for isolating an ethernet controller, having a transceiver associated therewith, from a twisted wire transmission line is provided. The power supply of the transceiver is DC isolated from system power supply. The data si... | 04/03/2007 |
| 7200167 | Direct digital access arrangement circuitry and method for connecting to phone lines An isolation system is provided that is suitable for use in telephony, medical instrumentation, industrial process control and other applications. Preferred embodiments of the invention comprise a capacitive isolation barrier across which a digital signal is communi... | 04/03/2007 |
| 7200140 | Method and system for selection of mode of operation of a service in light of use of another service in an ADSL system Methods and systems for use in connection with an asymmetrical digital subscriber line (ADSL) system being available to provide voice service and data service to the customer's premises. One service of the voice service or the data service is in use at the customer'... | 04/03/2007 |
| 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 each user, such as an ISP subscriber. ... | 02/13/2007 |
| 7162027 | Voice messaging system caller ring bypass control A voice messaging system such as a telephone answering device which allows a calling party to bypass the ring signal and substantially immediately allow the calling party to leave a voice message. To activate the no ring signal access to the telephone answering devi... | 01/09/2007 |
| 7142591 | Method and system for oversubscribing a pool of modems A system for oversubscribing a pool of modems comprises at least one digital signal processor and a switch. The digital signal processor is configured as a variable number of high speed data modems and a variable number of low bandwidth synchronization modems. A com... | 11/28/2006 |
| 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 communicate data traffic. The data traffic is carried over dedicated ... | 11/28/2006 |
| 7142590 | Method and system for oversubscribing a DSL modem M DSL Modems provide DSL service to N Customer Premise Equipment devices, wherein M is less than N. P OAM/EOC Modems maintain active DSL lines for the N−M=P Customer Premise Equipment devices not receiving DSL service. The OAM/EOC Modems communicate synchronizatio... | 11/28/2006 |
| 7139104 | Downsized facsimile machine using semiconductor DAA A facsimile machine having a semiconductor DAA provided in a line I/F part performing facsimile data communication with a network includes a tone signal reception part in the form of a semiconductor device. The tone signal reception part is provided in the semicondu... | 11/21/2006 |
| 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 communications link. Impairments on the communications link are identified ba... | 10/31/2006 |
| 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 customer modem to a network for providing the network service. The system c... | 10/24/2006 |
| 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 example, message saver, speaker phone, caller identification and fax. P... | 09/12/2006 |
| 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 can be based upon audible information conveyed within the circuit loop... | 09/05/2006 |
| 7099349 | xDSL-based communication system Broadband communication systems and methods of the type utilizing xDSL packet-based technologies are configured to provide packet-based point-to-multipoint communication between an upstream xDSL modem and a plurality of downstream xDSL modems. The system preferably ... | 08/29/2006 |
| 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 cumulative time spent during individual MOH sessions. Once a limit is exceed... | 08/22/2006 |
| 7085358 | Visual caller identification A visual caller identification system and method are provided. A caller identification device of a called party's telephone, whether integrated with the telephone or stand-alone, includes a series of colored lights for visually alerting the called party to an incomi... | 08/01/2006 |
| 7065205 | Line sharing multipoint pots splitter amplifier-based coupler The eavesdropping prevention system and method of the present invention provides for shunting leakage signals in a communication system. The amplifier-based coupler is constructed with amplifiers configured with a nearly-zero impedance path which effectively prevent... | 06/20/2006 |
| 7058122 | Remote customer profile adaptive operating system A remote customer profile adaptive operating system (10) for use in a digital subscriber line telecommunication network (12) is provided. The system (10) includes a customer site (16) in communication with a remote terminal (20). T... | 06/06/2006 |
| 7058175 | Digital switching system with shared analog line An auxiliary connection mechanism for allowing a Digital Switching System (DSS) to share an analog line with an analog device (via an auxiliary device port) is disclosed. The auxiliary connection mechanism includes a pair of relays for releasably connecting the auxi... | 06/06/2006 |
| 7050509 | Digital isolation system with hybrid circuit in ADC calibration loop An improved digital capacitive isolation barrier system is provided that is suitable for use in a telephone or modem where the locally powered circuits must be effectively isolated from the public telephone system, while permitting data transfer across the barrier. ... | 05/23/2006 |
| 7046793 | Digital access arrangement circuitry and method having current ramping control of the hookswitch A digital direct access arrangement (DAA) circuitry may be used to terminate the telephone connections at the user's end to provide a communication path for signals to and from the phone lines. Briefly described, a means for providing a proper hookswitch transition ... | 05/16/2006 |
| 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 on-hook state to prevent blocking of a coupled telephone line. A nonfu... | 05/16/2006 |
| 7020187 | Integrated modem and line-isolation circuitry with HDLC framing and associated method An improved modem architecture and associated method that integrates modem and line-isolation circuitry so as to achieve modem functionality and system-side isolation functionality on a single integrated circuit while also providing a modem interface that allows syn... | 03/28/2006 |
| 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 representative of a frame of a signal using one of the following protoco... | 03/28/2006 |
| 6998782 | Circuit for generating a process-independent current Based, in part, on an input video signal, an autobias circuit generates red, green, and blue channel video signals, which are received by external drivers to drive cathodes in a CRT. The autobias circuit also provides gain and bias control signals based on a sense c... | 02/14/2006 |
| 6996213 | Superposition of data over voice Method and apparatus for transmitting messages between communication devices via a communication channel allowing at least voice messages to be transmitted, the messages including data subdivided in a sequence of basic data units, the method including; a) encoding t... | 02/07/2006 |
