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6741596 Pipeline type processor for asynchronous transfer mode (ATM) cells  
A pipeline type processor, which is capable of determining a process starting address for each processor constituting the pipeline type processor prior to executing the process for increasing the...
6741585 Interworking of addressing in an internetwork  
An address interworking system and method for an internetwork that includes a first network using first network addressing communicating via one or more internetworking gateways with a second...
6738374 Speech transmission in a packet network  
Speech is transmitted between a base station (BTS) and a TRAU by converting a speech signal into a parameter group which is inserted in a traffic frame which is transmitted as a packet comprising a...
6735208 LAN telephone system  
A distributed private branch telephone exchange (PBX) including a local area network carrying telephony traffic, an interface to the PSTN and a station interface connecting to a telephone device...
6735204 ATM cell multiplexing apparatus and ATM cell multiplexing method  
An ATM cell multiplexing apparatus comprising an AAL multiplexer for generating ATM cells from AAL type-2 user data, a buffer for cells to be sent for temporarily holding the ATM cells generated,...
6735176 Dynamic bandwidth management and rerouting  
A communications network performs a variety of maintenance actions. One of those actions is rerouting of a connection path. A feature called “dynamic resource management option” allows the...
6735191 Method and apparatus for transporting TDM voice traffic over an ATM network  
A method and apparatus are provided to transport TDM voice traffic over an ATM network. A first plurality of TDM voice traffic circuits, such as T1 or E1 circuits, are multiplexed to create a first...
6731649 TDM over IP (IP circuit emulation service)  
A method and system for processing one or more TDMs for communication over IP networks, such as the Internet, includes encapsulating ATM cells (packets) using AAL1 cells within UDP over IP frames...
6731641 Processing of signalling messages in ATM node  
According to the invention, an ATM switch is used for returning signalling cells to their input side and to an apparatus which is located there for processing signalling cells and which performs...
6731636 Scheduler using small sized shuffle pattern in ATM network  
In a scheduler having m input interfaces and n output interfaces in an ATM switching apparatus, each of m and n is an integer equal to or more than 2. The scheduler is includes a storage unit,...
6728248 Optical line terminal  
An optical line terminal which sends and receives messages or data to/from optical network units (ONUs) connected thereto. A cyclic message monitor produces a trigger signal, for use in a PLOAM...
6728857 Method and system for storing and retrieving data using linked lists  
An method for storing and retrieving data in memory includes receiving the address of a first memory location in the data memory storing a first portion of the data and obtaining, from a location...
6724760 ATM switch  
An ATM switch includes routing modules in each of which modules ATM cells can be switched at crosspoints of inputs and outputs, input units which are respectively provided to input highways and add...
6721323 Distributed virtual path  
The present invention that provides a network topology for an ATM network. The topology includes a source network element, at least one intermediate network element, and a distributed virtual path...
6721322 System and method for establishing dynamic high usage trunk groups  
The present invention relates to a system and method for provisioning dynamic high usage trunk groups between end offices in a switched telephone network. The system includes a transit trunk...
6721324 Switch control system in ATM switching system  
In candidate selection to select the queue issuing the connection request to a certain output port out of a plurality of logic queues provided in an input buffer section of an input buffer type ATM...
6717948 Knowledge-based connection admission method and apparatus for providing efficient multiplexing of data and speech over AAL2  
A knowledge-based connection admission method is disclosed for efficient multiplexing of data and speech over AAL 2 . The method uses a knowledge-based technique to decide when and what type of...
6717947 Method and apparatus for isochronous data transfer with retry capability  
Isochronous data transfers guarantee data packets are received at a particular frequency and within a prespecified jitter-tolerance. Asynchronous data transfers guarantee data integrity by allowing...
6717920 Dynamically created service class-based routing tables  
Dynamically created routing table structures which may find application as routing tables for ATM or other computer networks provide a selection of pre-computed routes optimized to a specified...
6714545 VDSL data network, service and management architecture  
A VDSL based broadband data communication network system is provided that utilizes ATM/IP all the way to an end user PC, thereby allowing selectable bit rate delivery to the end users, with a Class...
6714544 Method and apparatus for proxied signalling of an end to end connection across a connection oriented network  
There is provided a method and apparatus for establishing a connection across a connection oriented network to enable communication between an originating network element and a destination network...
6711169 Session protection system  
A session protection system for an ATM packet switching network enables real-time data to be protected from unauthorised access. The usual rules for transmission/reception ensure ATM cells are...
6711168 Terminating apparatus for ATM adaptation layer  
A terminating apparatus for an ATM adaptation layer is made of hardware logic circuits to terminate received cells connection by connection and assemble an ATM adaptation layer message for each...
6711166 System and method for packet network trunking  
Concurrent calls are multiplexed over packet network connections such as TCP/UDP/IP connections. Initially, semi-permanent, open channels (e.g., TCP and/or UDP channels) are established between two...
6711167 ATM communication apparatus controlling method, ATM communication apparatus and recording medium therefor  
There is disclosed an ATM communication apparatus including an SAR module for executing the processing of a low level layer in an ATM communication network, and a processing unit for executing the...
6707800 ATM network with central call processor  
An ATM network comprises a central call processor, and one or more remotely located ATM bridge nodes, whereby the call processor is separated from the switching fabric in the ATM bridge nodes. A...
6707819 Method and apparatus for the encapsulation of control information in a real-time data stream  
Method and device provide for the encapsulation of control information in a real-time data stream. In one embodiment a method of encapsulating data in an information frame is provided. This...
6707817 Method for handling IP multicast packets in network switch  
A method of switching packets in a network switch includes the step of receiving a packet on a source port of a network switch. Thereafter, the method includes the step of determining whether the...
6704327 System and method for connecting a call  
A system and method for connecting a call in an asynchronous transfer mode system remotely controls an interworking unit. A communication device transports user communications and call signaling...
6704316 Push-out technique for shared memory buffer management in a network node  
A network node having a shared memory buffer for the temporary storage of data packets is configured to implement a push out technique for implementing different loss priorities among traffic...
6700890 Method and apparatus for configuring permanent virtual connection (PVC) information stored on network devices in an ATM network logically configured with subnetworks  
A method and apparatus retrieves and stores configuration information for network endpoint devices from other devices in the network, such as a switch adjacent to the endpoint device. When the...
6700885 Telecommunications system  
A telecommunications system comprising one or more cross-connects and a plurality of telephone exchanges. Two or more of the telephone exchanges are arranged to communicate with each other via the...
6697361 Method and apparatus for stream aggregation in a multiprotocol label switching network environment  
A method and apparatus for stream aggregation in a multiprotocol label switching network environment. According to one embodiment, the method comprises receiving a label assignment request that...
6697333 Bandwidth load consideration in network route selection  
Methods of considering bandwidth load or load balancing in the selection of an optimal path for routing calls through a switched digital network are described. The described methods are applicable...
6693919 Frame synchronization method and frame synchronization circuit  
A frame synchronization circuit has a frame synchronization pattern detecting circuit for detecting a frame synchronization pattern from received frame data and for outputting a pattern detection...
6693887 Method for allocating fractional bandwidth in a fixed-frame communication system  
A method for allocating fractional bandwidth in a fixed-frame communication system is described. The method includes calculating the integral cells per frame required at a connection, calculating...
6690670 System and method for transmission between ATM layer devices and PHY layer devices over a serial bus  
A system and method for transmission over a bus between ATM layer devices and PHY layer devices which exist on different printed circuit boards use a ATM-PHY layer interface connected to the ATM...
6690646 Network capacity planning based on buffers occupancy monitoring  
A method and a system of network capacity planning for use in a high speed packet switching network. The network comprises a plurality of switching nodes interconnected through a plurality of...
6690678 Method and system in a packet switching network for dynamically adjusting the bandwidth of a continuous bit rate virtual path connection according to the network load  
The present invention relates to a system and method for dynamically adjusting the bandwidth of a continuous bit rate virtual path connection established between a source node and a destination...
6687249 Reconfiguring diversity legs during CN-RNC interface streamlining  
In a mobile communications network that employs diversity combining/splitting, CN-RNC interface streamlining can be accomplished more efficiently by reconfiguring the network diversity legs, which...
6687230 Routing system and method  
A routing system includes a route information management unit for managing standardized network route information, an event processing unit for managing event information obtained by detecting and...
6683876 Packet switched router architecture for providing multiple simultaneous communications  
A novel packet switched routing architecture for establishing multiple, concurrent communications between a plurality of devices. Any number of devices are coupled to a central packet switched...
6681009 Signalling in a telecommunication network  
A method of signalling in a telecommunications network comprises generating signalling messages at an Application Part or a User part of an originating signalling point, the messages having a...
6680904 Bi-directional chaining of network access ports  
Network access apparatus includes first and second master units, each having a physical interface to a packet-switched network. A plurality of slave units, each slave unit having one or more ports...
6680945 Method and apparatus for support of tagging and untagging per VLAN per port  
An integrated multiport switch operating in a packet switched network provides the capability via distributed egress logic to alter VLAN tags on a port by port basis. An internal rules checker...
6674715 Switching of redundant communication channels in ATM switching system  
An ATM switching system comprises a redundant communication; system consisting of act-system and standby-system communication channels. Cells are sent through both the communication channels. A...
6674744 Point-to-point data transport over the internet utilizing label switching without IP headers  
The specification relates to a device and method utilized for packaging voice data (and other delay critical ‘connection’ or ‘flow’ type application data) for point-to-point transport from...
6674755 Method and system for protection switching in a telecommunications network  
A method for protection switching in a telecommunications network is provided that includes receiving a plurality of primary and secondary sub-streams. Each primary sub-stream corresponds to a...
6674729 Communications system for providing ATM connections and echo cancellation  
A method and system provides connections to an ATM system and includes selective echo cancellation. The invention includes two interworking units, an echo canceller, and a signaling processor. The...
6674726 Processing rate monitoring apparatus  
A processing rate monitoring apparatus includes an appearance interval counter for counting a packet interval in a monitored connection at a real number level, and a determining arrangement,...