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| Number | Title | Issue Date |
| 7983276 | Timing source A timing source is provided for sending timing information via a packet network. The source comprises a clock for generating the timing information and a packet-forming section for forming a sequence of packets for transporting the timing information to a destinatio... | 07/19/2011 |
| 7630382 | Method and system for providing transport of channelized circuits of arbitrary bit rate through asynchronous transfer mode (ATM) circuit emulation services (CES) A system for managing circuit emulation service over an Asynchronous Transfer Mode (ATM) network is provided. The system includes control logic configured to receive channelized circuit data from a client, the channelized circuit data being transmitted at an arbitra... | 12/08/2009 |
| 7567574 | Intelligent network and method for providing voice telephony over ATM and private address translation An illustrative intelligent network and method for providing voice telephony over Asynchronous Transfer Mode (“ATM”) and private address translation are provided that can provide significant advantages. The method includes generating an input ATM setup message a... | 07/28/2009 |
| 7447216 | Method and system to transport high-quality video signals Society of Motion Picture and Television Engineers (SMPTE) video data is separated into first data and second data. A first signal is formed based on the first data. A second signal is formed based on the second data. The first signal is transported via a first Opti... | 11/04/2008 |
| 7436815 | Switching system and method having low, deterministic latency A system and method of switching information in a time division multiplexed (TDM) communications network are described. The TDM time slots correspond to channels of circuit information. A circuit interface receives information from the TDM communication network, ext... | 10/14/2008 |
| 7411962 | Method and apparatus for dynamic bandwidth allocation for voice and data multiplexing over AAL-2 connections In some embodiments of the present invention, applications presenting user information streams at a service access point (SAP) to AAL-2 above the Common Part Sublayer (CPS) may provide values for predefined parameters that may determine how frames of information in ... | 08/12/2008 |
| 7408939 | Method and apparatus for transport of fractional datastreams over frame-based transport systems A method, system and transport unit to combine and transport multiple variable data rate LAN streams and fixed data rate voice streams through a plurality of transmission links used as a conduit for transmission of data between local area networks are disclosed. Com... | 08/05/2008 |
| RE40398 | ATM telecommunications systems and method for routing narrow band traffic A telecommunications system comprises an asynchronous transfer mode (ATM) network having uncommitted bandwidth, and a plurality of adaptive grooming routers (AGR) coupled to the network. The AGRs comprise a group adapted to function as a virtual transit exchange who... | 06/24/2008 |
| 7372843 | System and method for compressing information flows in a network environment A method for compressing data is provided that includes receiving a communications flow communicated by a mobile station and communicating with a proxy element in order to determine if an incoming packet is associated with an internet protocol (IP). The method also ... | 05/13/2008 |
| 7370247 | Dynamic offset compensation based on false transitions A method and apparatus provide a receiver with an architecture to regulate a bit error rate of the receiver using an offset based on detecting false transitions in received data. In an embodiment, such false transitions in data may be determined in a bang-bang detec... | 05/06/2008 |
| 7369555 | Channel resource allocation arrangement and method A method and apparatus are proposed for dynamically allocating units of user data to resource devices when the user data is transmitted in small packets multiplexed onto long packets and both the long and short packets contain routing information relating to each un... | 05/06/2008 |
| 7366183 | Detecting multimedia capability of a caller The present invention allows a terminating telephony switch to detect whether or not a caller associated with an incoming call is associated with multimedia capability. The terminating telephony switch will monitor a call setup message, such as an Integrated Service... | 04/29/2008 |
| 7362721 | System and method for providing fault and error tolerant communications in a network environment An apparatus for providing fault and error tolerance in a network environment is provided that includes an aggregation node associated with a base station controller and operable to receive a packet that includes an error. A portion of the packet is discarded, the p... | 04/22/2008 |
| 7340535 | System and method for controlling routing in a virtual router system One or more functions are applied to network data packets in a virtual router. A packet comprising part of a packet flow is received, and the packet is evaluated to determine which of the one or more functions are to be applied to the flow. The results of the evalua... | 03/04/2008 |
| 7336649 | Hybrid packet-switched and circuit-switched telephony system A hybrid telephony system with packet switching as well as circuit switching optimizes utilization of transport networks, and is accessible from any conventional telephone set. A call originating from a circuit-switched network is passed through a gateway computer t... | 02/26/2008 |
| 7327738 | System, device, and method for supporting virtual private networks A system, device, and method for supporting multiple virtual private networks in an MPOA/NHRP communication network involves encoding a Virtual Private Network (VPN) identifier in certain MPOA/NHRP control messages in order to associate those MPOA/NHRP control messa... | 02/05/2008 |
| 7327688 | Digital communications system A computer communications network comprises a plurality of interconnected ATM switches forming a WAN or LAN area network over which ATM cells are transmitted, and a plurality of user devices including LAN interface adapters for connection to one or more to local are... | 02/05/2008 |
| 7324527 | Method for connecting communications terminals to a exchange via a communications network The communication terminals are connected to the packet-oriented communication network via a hub and the switching system is connected to the packet-oriented communication network via an access unit. A data format formed of substructural elements is set up for a dat... | 01/29/2008 |
| 7319747 | Method and system for combining an emergency standalone switching device with a switching system interface The present invention is a system and method of combining an emergency standalone switching device with a switching system interface used to bypass the common control and switch matrix of a class 5 digital switch. The emergency standalone switching device pro... | 01/15/2008 |
| 7318017 | Collecting and exporting on-chip data processor trace and timing information with differing collection and export formats Data processor emulation information that has been collected and arranged into a plurality of first information blocks during the collection process is re-arranged into a plurality of second information blocks which differ in size from the first information blocks. ... | 01/08/2008 |
| 7310341 | System and method for parallel connection selection in a communication network The invention provides a system and method of a selecting an egress connection from egress connections at a node for a call being established in a network along a path being associated with the node. Each connection has sufficient bandwidth to carry the call and ter... | 12/18/2007 |
| 7310353 | Compression of overhead in layered data communication links An apparatus, system and method for converting data in a first packet format, having overhead data in the form of headers and/or trailer padding, into a second, variable-length packet format, in which some of the header and/or trailer overhead is removed during conv... | 12/18/2007 |
| 7305250 | Apparatus and method for simultaneously performing a TV reception function and a calling function in a mobile phone A method and apparatus is provided to simultaneously perform a TV reception function and a calling function in a multimode mobile phone supporting two or more communication services. The apparatus comprises a first RF switch separating a received signal into N commu... | 12/04/2007 |
| 7301894 | Method for providing fault tolerance in an XDSL system An XDSL system may include an active unit and a standby unit. The active unit may include a plurality of line circuits, which can be used to form XDSL loops with far end units. The standby unit may be synchronized with the active unit. In response to an indication, ... | 11/27/2007 |
| 7295567 | Audio signal rate adaptation method and system A system for adapting a transmission rate of an audio signal transmitted over a TDM communications link from a source to a destination includes a first variable-depth storage component and a first processor at the source, and a second variable-length storage compone... | 11/13/2007 |
| 7289433 | Method and system for providing robust connections in networking applications A method for preventing information losses due to network node failure is disclosed. The method comprises the steps of operatively connecting at least one backup node to a primary node, followed by synchronizing the at least one backup node and the primary node. Nex... | 10/30/2007 |
| 7286488 | Multimedia communications in a telecommunications network A communications network configuration for delivery of multimedia services comprises a packet network to which a plurality of terminal devices are connected, a service provider network for providing multimedia services to the terminal devices, a virtual circuit swit... | 10/23/2007 |
| 7283512 | Intelligent network and method for providing voice telephony over ATM and point-to-multipoint connectivity An illustrative intelligent network and method for providing voice telephony over ATM and point-to-multipoint connectivity are provided that can provide significant advantages. A method for providing a point-to-multipoint service to control point-to-multipoint conne... | 10/16/2007 |
| 7272136 | Dual tone multi frequency signal detection A signalling tone detector for use in a communications network for the detection of dual frequency multi-tone (DTMF) pairs of signal tones in a time division multiplex (TDM) signal. The detector comprises first and second arrays of adaptive notch filters correspondi... | 09/18/2007 |
| 7269167 | Direct end-office trunking An apparatus and method for providing direct trunking between a TDM switch and an backbone network are described. The apparatus is an interface adapted to convert pulse code modulated data to the data format of the backbone network and vice versa. The interface is a... | 09/11/2007 |
| 7269175 | AAL2 transmitter for voice-packed and signaling management-packed interleaving on an ATM connection The present invention provides an apparatus, system and method for transmitting asynchronous transfer mode (ATM) data cells on an ATM adaptation layer (AAL) configured connection within an ATM system comprising a digital signal processor (DSP) sub-system (160... | 09/11/2007 |
| 7266111 | Intelligent network and method for providing voice telephony over ATM An illustrative intelligent network and method for providing voice telephony over ATM are provided that can provide significant advantages. The intelligent network includes a multi-service control point, an ATM signaling intercept processor, and a service administra... | 09/04/2007 |
| 7263557 | Method and apparatus to detect configuration information for a digital subscriber line device A method and apparatus to detect configuration information that may be used to configure a permanent virtual circuit (PVC) between a digital subscriber line (DSL) customer premise equipment (CPE) and a DSL access module (DSLAM) is described. ... | 08/28/2007 |
| 7254205 | Signal processing method and apparatus for ensuring a desired relationship between signals A signal processing circuit and method in which a given signal, e.g., a receive data clock associated with a first chip and generated by a deserializer circuit, is synchronized with another signal, e.g., a clock signal from a second chip which is asynchronous with t... | 08/07/2007 |
| 7249291 | System and method for reliably communicating the content of a live data stream A method for communicating the content of a live data stream to a receiver using a plurality of channels comprising two encoder channels used to encode the live data content prior to transmission. Initially a plurality of segments of a live data stream are received,... | 07/24/2007 |
| 7249156 | Method of providing a file transfer service through a mobile communication network A method is provided for determining whether to transfer an audio, video, or text data file, requested to be transferred through a mobile station, based on a specified transfer condition and/or file size, and transferring the data file to a destined mobile terminal ... | 07/24/2007 |
| 7233571 | Connection-based bandwidth utilization A way to provide connection-based bandwidth utilization is disclosed. A connection is provided between a plurality of clients in the network environment. The connection is between the plurality of clients by a plurality of nodes through a plurality of trunks. The ut... | 06/19/2007 |
| 7224694 | Apparatus for and method of generating pointers for transfer of structured data in AAL1 An apparatus for and a method of generating pointers for identifying structure boundaries of data for leased lines such as T1/E1 in an asynchronous transfer mode (ATM) adaptation layer Type 1 (AAL1) through an ATM layer. The apparatus includes a control signal gener... | 05/29/2007 |
| 7224693 | Long packet handling A switch for switching packets from a plurality of sources. The switch includes a memory in which portions of packets are stored. The switch includes a transferring mechanism which transfers predetermined portions of a packet to the memory as the predetermined porti... | 05/29/2007 |
| 7221684 | Increasing network efficiency using packet compression and decompression A communication device for compressing packets includes a first interface, a grouping module and a second interface. The first interface receives packets from a group of media streams, the grouping module generates a group packet that includes a group identifier as ... | 05/22/2007 |
