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Link discovery and verification using loss of light
Systems and methods for link discovery and verification that minimize the need for line termination resources to generate and interpret packets. To verify a link...
Method and apparatus for transporting data using label switching
A method including receiving a call connection request message having a prefix number and determining a corresponding IP address based on the prefix number....
Adaptive Viterbi decoder for a wireless data network receiver
A configurable Viterbi decoder to decode a coded signal for inclusion in a radio receiver for implementing the physical layer receiving function (PHY) of a...
VoIP over access network
A system and method are disclosed for controlling access networks directly via a packet network gateway that is itself controlled by a remote call agent. In one...
System and method for intercepting packets in a pipeline network processor
In a pipeline network processor, a packet intercept feature determines whether a packet is to be intercepted based on the inbound and outbound port through which...
Call signaling approach to user self-provisioning on VoIP using a
A method for providing self-provisioning of VoIP telephony to a subscriber of a VoIP telephony service is disclosed. An un-provisioned residential gateway that...
System and method of a stackable wireless internet protocol base station
A wireless office communication system including a multi-protocol, multi-sector wireless internet base station (WIBS) encompassing a base station controller, a...
System and method for adaptively improving voice quality throughout a
A method for adaptively improving voice quality during a communication session includes monitoring voice quality parameters associated with a communication...
Method and apparatus for accumulating and distributing traffic and flow
control information in a packet...
Traffic information is accumulated and flow control information distributed in a packet switching system. Traffic information is collected in multiple elements,...
Methods and apparatus for managing network traffic using network address
A method manages network traffic using NAT in a data communications device having a NAT data structure (e.g., a NAT table). The method includes the step of...
Method and apparatus for securing information access
A method and apparatus for protecting secured files stored on a file system employs a file security status associated with each file to signal whether or not...
Method and system for providing operations, administration, and
maintenance capabilities in packet over optics...
A method for conveying management information across a network. The method includes receiving an Ethernet packet at a network element and modifying the packet by...
System and method for remote device management
A manufacturing method enables the manufacture of a remotely controlled network device management system. The manufacturing method includes the steps of...
Method and apparatus for accessing a database through a network
A system includes a client which can communicate through a network and a database layer with any of several databases. The client communicates with the database...
Method and system for brokering bandwidth in a wireless communications
A method and system for brokering bandwidth in a wireless communications network includes receiving a request for a wireless service at a geographic region. An...
Selective conversation recording using speech heuristics
A system and method for selectively monitoring, recording, storing, and handling telephone conversations through the use of speech analysis is disclosed. In...
Method and apparatus for cas-based ring limiting of FXS ports
A method and apparatus for call-limiting one or more candidate calls received by a router is disclosed. The method and apparatus may be configured to determine...
Providing features to a subscriber in a telecommunications network
A method for providing a feature in a telecommunications network is disclosed. Signals representing a call are received at a call agent to generate a detection...
Method and system for processing data in a server
According to one embodiment of the invention, a method for managing cells in a digital subscriber line access multiplexer is provided. The method includes...
Asynchronous transfer mode system and method to verify a connection
A method, and apparatus to transmit an ATM data message from a source node to a destination node, and reflect at least a portion of the data back t where it is...
Stateful network address translation protocol implemented over a data
A technique is disclosed for synchronizing NAT information stored on different network devices that have been configured to implement a network address...
Sending instructions from a service manager to forwarding agents on a need
to know basis
A system and method are described for providing instructions for forwarding packets. The method includes broadcasting a general instruction specifying a...
Automated IP multicast filtering
A method and system of selective data transmission is disclosed. A plurality of data packets are transmitted wherein at least a portion of the data packets have...
Enabling push technologies for mobile IP
Methods and apparatus for enabling a Mobile Node supporting mobile IP to roam without an assigned IP address and receive lookups indicating that a Corresponding...
System and method for time division multiplexed switching of data using a
high-speed packet switch
A system and method for switching data using a high-speed packet switch are described. Multiple communications are received along at least one input...
Method and apparatus for forwarding data in a data communications network
A method of forwarding data in a data communications network comprising a plurality of nodes comprises the step of forwarding data according to a forwarding...
Method and system for routing communications among computer networks
A method and system for determining route redistribution are disclosed. The method generally comprises receiving an information packet from a neighbor source....
Method and apparatus for creating virtual upstream channels for enhanced
lookahead channel parameter testing
Methods, apparatus, and computer-readable media are disclosed for creating a virtual lookahead upstream receiver in a single physical upstream receiver in a...
Message processing in network forwarding engine by tracking order of
assigned thread in order group
A system and method maintains order among a plurality of threads in a multi-threaded processing system. The processing system, which may be disposed at an...
Selective smart discards with prefetchable and controlled-prefetchable
A bridging device has a first port to allow the device to communicate with other devices on an expansion bus and a second port to allow the device to communicate...
Method and apparatus for providing redundancy between card elements in a
According to one embodiment of the invention, a method for providing redundancy for a card in a chassis includes providing first and second cards in a chassis....
Devices, software and methods for encoding abbreviated voice data for
redundant transmission through VoIP network
Devices, software and methods are provided for encoding voice data to conceal packet loss. In addition to regular encoding, an abbreviated portion of the frame...
Dynamically modifying functionality in a configurable communications
In one embodiment of the present invention, a method for dynamically modifying functionality in a configurable communications protocol stack includes, at an...
Multi-vendor integration process for internet commerce
A method for automatically processing electronic customer orders for configurable products. In one embodiment, a web site that is operable to access a vendor...
DWDM laser frequency control
Highly efficient control of laser frequency is provided. An optical channel monitor is coupled to a composite WDM signal resulting from the multiplexing of...
Automatic protection system for an optical transmission system
An optical communication system and method for starting up and shutting down the system to ensure safety during repair of a fiber break are disclosed. A...
Method and apparatus for enabling multiple protocol communication over a
A method and apparatus for enabling multiple protocol communication over a network are disclosed. A first circuit communicates first signals in a first frequency...
Configurable digit collection for various signaling protocols
A PSTN (Public Switching Telephone Network) device includes a Dynamically Configurable Signaling State Machine (DCSSM). The DCSSM can be programmed to recognize...
Methods and apparatus for embedding and format conversion of compressed
System and methods are provided for modifying a compressed video data stream to match the available video decoding capability of a target decoder. Compressed...
Bound mode technique for accommodating high-bandwidth data flow within an
intermediate network node
A bound mode mechanism and technique efficiently accommodates high-bandwidth data traffic flow within an intermediate node of a computer network. The bound mode...
A dynamic packet consolidation algorithm for a wireless transmission regime. At least first and second packets of a plurality of packets are sampled. The...
Method and apparatus for creating and dismantling a transit path in a
A system and method are disclosed for determining when to set up or tear down such a temporary transit path so that temporary transit paths are set up when they...
Arrangement in an access router for optimizing mobile router connections
based on delegated network prefixes
An access router of a local mobile network includes a delegation resource for delegating address prefixes and a routing resource configured for parsing reverse...
Network-wide connection-based debug mechanism
An improved mechanism for analysing connection establishment/teardown process or identifying failure points (i.e. nodes) in a PNNI network through the use of a...
Method and apparatus for maintaining connection state between a connection
manager and a failover device
A system and method are disclosed for maintaining the state of a virtual connection supported by an active connection manager on a standby connection manager....
Reduced four-wave mixing and Raman amplification architecture
Raman amplifiers with improved signal to noise ratio and four-wave mixing product suppression are provided. In one embodiment, both co-propagating and...
Methods and apparatus for virtual private network based mobility
Methods and apparatus for enabling VPN based mobility are provided. A VPN client having a client subnetwork address corresponding to a particular subnetwork can...
Single step network logon based on point to point protocol
A method and apparatus for providing single-step logon access for a subscriber to a differentiated computer network having more than one separate access area. In...
Method and apparatus for creating a network topograph that includes all
select objects that are in a network
A method is disclosed for creating a network topograph that includes all select objects that are in a network. A set of one or more non-select objects in the...
Method and apparatus for IP address assignment
A method and apparatus for assigning an IP address, in a modular network system, to at least one client premise equipment device coupled by a communications link...