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| Number | Title | Issue Date |
| 7729482 | Method and system for providing communication protocol interoperability A method for providing communication protocol interoperability may include receiving a request from a first endpoint to establish a communication session with a second endpoint, the request uses a first communication protocol. The method also includes receiving a fi... | 06/01/2010 |
| 7443966 | Using modems to place modem connections on hold and to maintain upper layer network connection A modem to modem communication system supports call waiting services by exchanging hold request and acknowledge signals before relinquishing the line servicing incoming calls. Thereafter, the modem to modem session is reestablished without having to redial. The hold... | 10/28/2008 |
| 7417943 | Dynamic compression training method and apparatus An apparatus for communicating between an access endpoint and a mobile device endpoint comprising a network service center attached to the access endpoint. A memory stores a prototype corpus representing historical communication information. The network service cent... | 08/26/2008 |
| 7366780 | System and method for controlling and managing sessions between endpoints in a communications system In a communications system having a plurality of endpoints (240,242,246) each including a logical entity and its physical counterpart, a system for controlling and managing session between at least two endpoints. The system including a registration manager ( | 04/29/2008 |
| 7356738 | Electronic apparatus having improved diagnostic interface Electronic apparatus, such as a personal computer, is described comprising main operative functionality and a power provisioning system for powering the apparatus from an external power source, the power provisioning system comprising:—a main power supply output f... | 04/08/2008 |
| 7336728 | Method and apparatus for monitoring phase-shift keyed optical signals A method and apparatus for monitoring PSK optical signals by measuring the RF spectrum of the signal and determining the power spectral density of noise on the optical signal within a predetermined frequency range to determine a measure of the degradation of the opt... | 02/26/2008 |
| 7333579 | Robust symbol timing recovery circuit for telephone line modem A robust symbol timing recovery circuit for a telephone line modem is provided. The symbol timing recovery circuit comprises a timing estimator and an interpolator. The timing estimator, which performs an operation on input samples and estimates a timing offset of a... | 02/19/2008 |
| RE40057 | Method and apparatus for providing interoperation between a digital communication system and a public switched telephone network An interworking unit (14) for providing an interface between a digital communication network (12) and a public switched telephone network (PSTN) (16) includes a de-vocoder (30), a protocol termination unit (32), and a signal combin... | 02/12/2008 |
| 7327696 | Intelligent voice converter A voice converter includes upstream and downstream resource managers for allocation half-duplex resources of a full duplex DSP transcoder. The resource managers schedule available upstream or downstream resources and provide transcoded voice data to requesting appli... | 02/05/2008 |
| 7301966 | System and method for transmitting audio and video data over an asynchronous link that provides a synchronous recreation of the transmitter's data clock at a receiver A data transmission and distribution system that includes a transmitter and a receiver. The transmitter transmits a count value associated with a data clock of the transmitter to the receiver over an asynchronous link as part of an information payload that also incl... | 11/27/2007 |
| 7295569 | Selecting a profile for an interface of a network device according to a margin Selecting a profile for an interface of a network device includes accessing profile sequences, where each profile sequence corresponds to an interface. Each profile sequence includes profiles that provide parameters for communicating data. The following are repeated... | 11/13/2007 |
| 7295570 | Determining a profile for an interface of a network device Selecting a profile for an interface of a network device includes accessing profile sequences, where each profile sequence corresponds to an interface. Each profile sequence includes profiles that provide parameters for communicating data. The following are repeated... | 11/13/2007 |
| 7289610 | Digital subscriber line service 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 work over loaded s... | 10/30/2007 |
| 7283154 | Systems and methods for videoconference and/or data collaboration initiation Systems and methods to accept information regarding audio communication sessions (e.g., telephone calls) and, in response, initiate a videoconference and/or data collaboration session via for example data collaboration terminals associated with the audio terminals u... | 10/16/2007 |
| 7280564 | Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing A bidirectional communication system is provided. In one embodiment, a system comprises a host unit and a plurality of remote units using a multiple access scheme to communicate at the same time with the host unit using orthogonal frequency division multiplexing (OF... | 10/09/2007 |
| 7277919 | Relevance clause for computed relevance messaging The invention disclosed herein enables a collection of computers and associated communications infrastructure to offer a new communications process which allows information providers to broadcast information to a population of information consumers. The information ... | 10/02/2007 |
| 7277531 | Method and apparatus for fast V.90 modem startup A fast startup procedure for a modem system utilizes known characteristics of a previously established communication channel to reduce the initialization period associated with subsequent connections over the same channel. In response to the establishment of a call,... | 10/02/2007 |
| 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 |
| 7269210 | Electrical isolation techniques for DSL modem One embodiment of the present invention provides a DSL modem for coupling a transmission line to a communication system interface, the modem having digital isolation and power isolation. Another embodiment of the present invention provides a method for communicating... | 09/11/2007 |
| 7262887 | Network scanner system An image input section pre-inputs an image. A temporary storage section temporarily stores the image input by the image input section. An attribute control section controls at least attribute information of the input information temporarily stored in the temporary s... | 08/28/2007 |
| 7260065 | Data communication apparatus A data communication apparatus includes a communication section that performs pre-communication protocol to exchange a communication function with a communication destination terminal, and transmits data to the communication destination terminal after the pre-commun... | 08/21/2007 |
| 7257220 | Method and system for providing extended reach of a digital subscriber line signal A method for providing extended reach of a digital subscriber line signal includes receiving an incoming DSL signal, splitting the DSL signal into separate voice and data signals, demodulating the data signal, requantizing the demodulated data signal, modulating the... | 08/14/2007 |
| 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 be serviced, control means (29) for controlling ... | 07/17/2007 |
| 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 |
| 7199783 | Wake-up detection method and apparatus embodying the same An input apparatus is disclosed having a hand-sensing system, a wake-up detector, and a microcontroller. After a period of inactivity, the apparatus is placed into a sleep mode to conserve power. During the sleep mode, an electrical property that the hand-sensing sy... | 04/03/2007 |
| 7194007 | High speed modem Various high speed modem embodiments are provided, for example, having a receiver configured to receive an analog data signal over a telephone line from a first modem, from which digitized analog data signal samples are generated by a processor employing a linear co... | 03/20/2007 |
| 7184532 | Dynamic ringback services A method for providing dynamic ringback services can include receiving a connection signal from an originating device and determining a receiving device specified by the connection signal. The method can access receiving device specific information and can dynamical... | 02/27/2007 |
| 7174004 | Network based method and apparatus for supporting interoperability between incompatible TTY devices The present invention is directed to providing compatibility between teletype telephone devices. In particular, embodiments of the present invention alter the described duration of tones used to encode individual characters generated in accordance with a first proto... | 02/06/2007 |
| 7149936 | Interactive multimedia for remote diagnostics and maintenance of a multifunctional peripheral An interactive multimedia system for remote diagnostics of, maintenance of, and assistance pertaining to a multifunction peripheral preferably includes a multifunction peripheral, a remote service endpoint, and a network system over which the multifunction periphera... | 12/12/2006 |
| 7142510 | Communications network In a communications network, communications terminals exchange call control capability data which mutually identifies selected call control protocols and network address types. The terminals subsequently set up a call using protocols chosen from those identified. Th... | 11/28/2006 |
| 7139245 | Priority handling of voice over data in a voice-over-internet protocol processor An apparatus for processing packets in a multimedia terminal has a media access controller to send and receive packets from a network. A digital signal processor converts a series of incoming real-time transfer protocol packets into an incoming digital signal and co... | 11/21/2006 |
| 7130309 | Communication device with dynamic delay compensation and method for communicating voice over a packet-switched network A device and method for communication of speech packets over a packet-switched network allows for a greater channel reallocation delay. Initial speech packets may be buffered during a channel reallocation delay and sent through an access medium when a channel is gra... | 10/31/2006 |
| 7106855 | Method and apparatus for connecting broadband voice and data signals to telephone systems A system for use in connecting broadband voice and data signals to communications systems such as the telephone system. Due to the low pass filtering characteristics of a standard twisted pair used in conventional telephone access loops data band signals are attenua... | 09/12/2006 |
| 7106788 | Method and system for analytically computing and using an ANSpcm signal A method and system for analytically and dynamically generating a repeatable digital probing signal representing an answer tone. The probing signal may conveniently be used by a modem to determine whether characteristics of the communication path between the modem a... | 09/12/2006 |
| 7103633 | Method and system for transmitting the capabilities of a facsimile machine over the internet A method and system for obtaining the capabilities of a facsimile machine. In facsimile transmission systems which utilize a communication medium in which a direct connection does not exist between the transmitting facsimile machine and the receiving facsimile machi... | 09/05/2006 |
| 7079484 | Management method for maintaining communications options within a private communications network The method enables a set of services to be maintained within a private communications network even in the event of the network becoming split. It uses emergency means providing dynamic accesses that are previously defined by the user of the network. The dynamic acce... | 07/18/2006 |
| 7072360 | Network architecture for intelligent network elements Hybrid fiber/coax networks employ the existing cable plant used for cable TV and transmit data signals in a frequency bandwidth above that which is used for cable TV. The present system used point-to-point data links between intelligent network elements located in t... | 07/04/2006 |
| 7068764 | V.90 over all-digital connections A method of forming a V.90 connection on an all digital connection. The method includes transmitting a request to connect from a digitally connected client modem (28) to a digitally connected server modem (24) and transmitting, by the client modem (... | 06/27/2006 |
| 7062022 | Method and apparatus for fast V.90 modem startup A fast startup procedure for a modem system utilizes known characteristics of a previously established communication channel to reduce the initialization period associated with subsequent connections over the same channel. In response to the establishment of a call,... | 06/13/2006 |
| 7062036 | Telephone call information delivery system A telephone call information delivery system includes answering circuitry to answer a telephone call incoming from a service provider and to attain information input by a caller. The system further includes an information signal provider to provide at least one sign... | 06/13/2006 |
