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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...
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7616580 |
Adaptive clock method and system
A device and method are disclosed for correctly restoring a read clock when there are a plurality of STM data stream transmission sources. In a CES device of an ATM communication system, ATM cells...
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7613206 |
Determination of characteristics during the transition between an AAL2 signalling and another signalling
The invention relates to a method and device for simple and efficient determining characteristics during a transition between an AAL2 signalling protocol and at least one another signalling...
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7607154 |
System for the transmission of DVB/MPEG digital signals, particularly for satellite communication
The streams from a plurality of VBR coders or generic data sources ( 31 ) are multiplexed to a single stream by a multiplexer ( 32 ), while inserting null packets to make their bit-rates uniform. A...
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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...
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7558272 |
Method and system for a two level scalable bundling solution
The present invention is a system and a method which enables implementing a scalable, carrier class bundling multiplexed data communication on low rate links. The proposed system and method, which...
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7545808 |
Memory organization in a switching device
A network device switches variable length data units from a source to a destination in a network. An input port receives the variable length data unit and a divider divides the variable length data...
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7535894 |
System and method for a communication network
The invention provides a network element and method for handling ATM traffic and TDM traffic. The network element handles TDM traffic carried on ATM cells, and ATM traffic, and comprises generating...
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7519728 |
Merge systems and methods for transmit systems interfaces
A system improves bandwidth used by a data stream. The system receives data from the data stream and partitions the data into bursts. At least one of the bursts includes one or more idles. The...
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7447239 |
Transmission path monitoring
One aspect of the invention provides an ingress apparatus comprising a signal processing apparatus for receiving an incoming data frame and locating the position of path overhead, and a monitoring...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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7327736 |
Changing of channel capabilities
In a telecommunications system, in which a connection comprises a part with an interworking function at both ends, a channel is allocated to the connection between the interworking functions. The...
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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...
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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...
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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...
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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)...
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7180897 |
Telecommunications systems
A telecommunications system comprising one or more cross-connects and a plurality of telephone exchanges wherein two or more of the telephone exchanges are arranged to communicate with each other...
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7180900 |
Communications system embedding communications session into ATM virtual circuit at line interface card and routing the virtual circuit to a processor card via a backplane
An improved system and technique for processing a communications session in a data communications system suitably includes the steps of receiving the communications session at a line interface...
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7136395 |
Method and system for transmission of headerless data packets over a wireless link
Headerless (i.e., zero byte) data packets are sent by a compressor over a radio bearer. The radio bearer includes a synchronized wireless link. A sequential timer-based value is associated with...
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7110412 |
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...
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7106748 |
Intelligent network and method for providing voice telephony over ATM and alias addressing
An illustrative intelligent network and method for providing voice telephony over ATM and alias addressing are provided that can provide significant advantages. The intelligent network includes a...
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7103036 |
Voice data relay apparatus
When a communication system is constructed by use of a plurality of data relay apparatuses of the present invention, it is possible to control an execution/non-execution of a...
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7103052 |
Device for reassembling cell data device for circuit emulation service and method of ATM synchronization control
A device and method are disclosed for correctly restoring a read clock when there are a plurality of STM data stream transmission sources. In a CES device of an ATM communication system, ATM cells...
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7085278 |
DSL terminal-exchange device connecting system and method
A DSL 5 is connected between an exchange device 3 and an IAD 1 to which DSL subscriber terminals 2 - 1 through 2 -n are connected, and the exchange device 3 is equipped with a VMG 4 for...
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7079543 |
Method and system for transmitting traffic having disparate rate components
A method and system for transmitting traffic having disparate rate components includes receiving a plurality of traffic streams. Each traffic stream includes a first component and a reduced rate...
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7068664 |
Voice interception system for mobile switching system
In a voice interception system, a voice is intercepted by applying a function of a vocoder installed in a voice signal processor to a mobile switching station. This interception implies a...
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7058300 |
Data transmission rate arbitration method and optical communication apparatus
A transmitting-end device generates a pilot signal with a pilot signal generation section, and transmits a pilot signal to a receiving-end device. At the receiving-end device, a transmission rate...
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7031300 |
Method for identifying a transfer unit which is part of a connection between a communications terminal and a private branch exchange
Communication terminals are connected to a communication network via at least one hub having an unambiguous address in the communication network. Data transmission between the switching system and...
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7020124 |
Frame control method and apparatus
A frame control method and apparatus is described for controlling a transport frame used for transmitting a data unit via a dedicated channel between network elements of a communication system...
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7002969 |
STS frame-ATM cell circuit emulation apparatus and frame length compensation method for the same
A circuit simulation apparatus is disclosed by which, even if an STS-N frame of an abnormal length is detected by a reassembly buffer, the frame length can be compensated for while preventing an...
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6982964 |
High performance ECL-to-ATM protocol network gateway
A network protocol translation device that allows serial data sent using the standard Asynchronous Transfer Mode (ATM) protocol to be used between two locations, using a satellite link or a...
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6980557 |
Communications system with communication terminals which are connected to a switching system via a packet-oriented communication network
A switching system is connected to a communication network via a broadband access unit having a network access interface and communication terminals are connected to the communication network via...
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6965565 |
System and method for communicating an event status across a data channel
A system for communicating an event status across a data channel is provided. The system includes a data path to provide connectivity for a plurality of communication channels using data transport...
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6930998 |
Hybrid TDM and ATM voice switching central office and method of completing inter-office calls using same
A hybrid central office for serving a plurality of subscriber lines while serving as a virtual access tandem to a subnetwork of central offices having a connection to an ATM backbone network is...
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6914900 |
Method and apparatus for connecting communication device via IP network
Disclosed is a method of connecting a telephone via an IP network. An exchange on the originating side (1) evaluates voice quality along a route through the IP network to an exchange on a...
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6882652 |
Private lines traversing a packet network and re-arrangement of channels among packet network connections
Techniques for providing communication services include provisioning a packet network connection that has packet channels, each of which is independently capable of carrying narrowband signals so...
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6873621 |
System for controlling AAL1 cell bandwidth
A system for controlling a bandwidth when receiving and reassembling a consecutive data stream transferred while segmented by AAL1 format cells which enables correct determination of non-P and P...
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6842443 |
Network switch using network processor and methods
A network switch apparatus, components for such an apparatus, and methods of operating such an apparatus in which data flow handling and flexibility is enhanced by the cooperation among a plurality...
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6791986 |
Method for transmitting voice information in ATM cells
The interworking of voice information in ATM cells is presently provided according to the standardizations of the ITU in the AAL1 adaption method. Specific properties of the voice information are...
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6785377 |
Data calls using both constant bit rate and variable bit rate connections
A first call processing system advantageously uses a constant bit rate connection and a variable bit rate connection to utilize the bandwidth for a data call. The first call processing system...
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6728834 |
System and method for effectively implementing isochronous processor cache
A system and method for effectively implementing isochronous processor cache comprises a memory device for storing high-priority isochronous information, an isochronous cache coupled to the memory...
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6721327 |
Delayed packet concealment method and apparatus
A decoder improves delayed packet concealment in a packet network by using two decoder sections. A first decoder section bases its decoding during the concealment phase on erroneous filter states...
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6721326 |
Cell multiplexing system and method for an ATM network
A multiplexing system in an ATM network is disclosed. The system produces low deviation in generation timing of a standard ATM cell and low transmission delay to realize high transmission...
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6711126 |
Congestion control of AAL2 connections
The invention concerns a method of managing data packets originating from data frames, the packets being presented to buffer ( 40 ) prior to processing. When a packet corresponding to the start of...
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