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Electronic equipment simulated earthquake survivability test system and
The present invention is a transient vibration time history testing calibration system and method that assists testing equipment reproduce predefined earthquake...
Methods and apparatus for maintaining queues
One or more queues store data information such as packets or data flows for later transmission to downstream communication devices. A real-time clock tracks...
System and method for performing admission control functions in a data
A resource manager 20 receives and compiles data from a plurality of base transceiver station 14 to enable an admission control decision before beginning a...
Time division multiplexing method and apparatus for asynchronous data
A Serial Communications Controller (SCC) is configured to provide TDM multiplexing of signals regardless of whether such signals are synchronous or asynchronous...
Synchronization in OFDM systems
Highly effective systems and methods for synchronizing OFDM receiver parameters to an OFDM transmitter are provided. These parameters may include carrier...
Apparatus and methods for dynamic bandwidth allocation
A system capable of dynamically reserving bandwidth and adjusting bandwidth reservations for active sessions of data communication in a data communications...
Method and apparatus for establishing class of service configuration in a
network device of a broadband cable...
A method for establishing class of service configuration in a network device of a broadband cable network using Dynamic Host Configuration Protocol (DHCP) is...
Method for implementing automatic protection switching (APS) using cell
A method for cell replication in which a request for data transmission and mapping information are received by a crossbar and a scheduler and are sent by one of...
Raincheck on voice over packet network calling
A method of placing a voice call over a packet network. The method includes presenting a user with a selection between a more expensive public switched...
Remotely powerable device with powerability indicator for selectively
indicating a backward wired device...
The invention is directed to techniques for discovering a powerability condition of a computer network such as the existence of a remotely powerable device...
PPP domain name and L2TP tunnel selection configuration override
A method for controlling subscriber access in a network capable of establishing connections with multiple services includes receiving a communication from a...
Method and system for modeling behavior of elements in a telecommunications
A node representing a network element is provided. A service state for the node is stored in the node. A service state for a first parent node upon which the...
Techniques for configuring network devices with consistent forms for
getting and setting device properties
A page for sending to a client process from a server during network management incorporates a form having a plurality of input fields and a submit button. The...
Information searching device
A system for efficiently organizing data or information into an associative memory device, such as a ternary content addressable memory (TCAM), for subsequent...
Scalable IP-based notification architecture for unified messaging
A notification architecture utilizes multiple processes configured for managing notification operations based on reception of SMTP-based messages within IMAP...
Methods and apparatus for testing a clock signal
Techniques test a clock signal by comparing different portions of that clock signal to each other. Such techniques enable the detection of a clock signal having...
Hardware-based encryption/decryption employing cycle stealing
A system for the encryption and decryption of data employing cycle stealing to accelerate data processing operations. The cycle stealing is employed by using...
Method and apparatus for transitioning comfort noise in an IP-based
A method is disclosed, where the RX unit of an IP telephone waits for a first silence indication packet to be received. When the first silence indication packet...
MAC address population protocol
A new search protocol uses a message which a router periodically transmits onto the local LANs connected to its ports, and in response to the new protocol, all...
A method and an apparatus for protecting an electrical circuit against excessive currents by a fuse assembly. The fuse assembly is configured to interrupt the...
Apparatus and method for using a 2-wire bus to deskew 4 XAUI lanes across
multiple ASIC chips
A two-wire bus is used to de-skew XAUI lanes of a single charnel received at independent chips. One wire of the bus is transmits an alignment signal generated by...
Method and apparatus for maintaining netflow statistics using an
associative memory to identify and maintain...
Methods and apparatus are disclosed for maintaining netflow statistics using an associative memory to identify and maintain netflows. A lookup operation is...
Method and apparatus for matching a string with multiple lookups using a
single associative memory
Methods and apparatus are disclosed for matching a string with multiple lookups using a single associative memory, such as, but not limited to binary and ternary...
Facility to transmit network management data to an umbrella management
A method for conveying data communications network management information to an umbrella management system whereby network management information events are...
Scheme for merging partially filled ATM cells
First and second partially filled ATM cells are removed from a cell stream and merged into a third ATM cell. The third ATM cell may then be inserted back into...
Communication server apparatus providing XDSL services and method
A communication system (500) includes a plurality of subscriber systems (510) coupled to a plurality of twisted pair data lines (520). Each subscriber system...
Method and apparatus for iconifying and automatically dialing telephone
numbers which appear on a Web page
A method and apparatus are provided for recognizing and accessing telephone numbers from a Web page. In the preferred embodiment of the invention, an HTML code...
Method and apparatus for implementing a quality of service policy in a data
A method and apparatus for implementing Quality of Service (QoS) policy in a data communications network. A content addressable memory (CAM) contains flow...
Low-impact method and apparatus for maintaining network access servers
A method of performing maintenance on a network access server having associated channels carrying incoming digital or analog traffic determines whether...
Long reach unamplified optical SONET/SDH card
An assembly, method, and device for high-speed optical format data transmission includes a printed circuit board containing mounting locations for electrical...
Non-voice signal repeater for speech coders
A method of repeating a non-voice signal such as a dual tone, multiple frequency (DTMF) signal, by inserting a delay sequence of data values into an output data...
Method and apparatus for measuring network data packet delay, jitter and
Internet protocol (IP) performance monitoring method and apparatus generate a timing probe data to be sent over the network, the timing probe data packet...
ITU H450.1-based ITU H.323 SCP method and apparatus
A method for providing advanced intelligent network (AIN) supplementary services between an ITU H.323 endpoint and a service control point (SCP) having service...
Voice over internet protocol call fallback for quality of service
The invention provides a way to fallback to a PSTN call at any time during a VoIP call when Quality of Service in a VoIP network falls below some acceptable...
Method and apparatus for estimating delay and jitter between network
A delay measurement technique according to an embodiment according to the present invention is based on the precept, ascertained by the inventors, that a link...
Method and apparatus for implementing a quality of service policy in a data
A method and apparatus for implementing Quality of Service (QoS) policy in a data communications network. An active flow content addressable memory (CAM)...
Clusters of devices, softwares and methods for improved handling of a
gatekeeper load in VoIP communication
A cluster of alternate gatekeepers handles the load of a single logical zone. The alternate gatekeepers exchange signals among each other according to a special...
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 mounting an electromagnetic interference
shielding cage to a circuit board
An EMI shield, or module cage, mounts to a circuit board such that a first portion of the module cage extends above a first planar surface of the circuit board...
Run-time property-based linking of software modules
A method for dynamic linking of software modules includes detecting an event during the execution of a computer program that resides in a first memory,...
Using profiles to perform bit error rate testing
A digital system for Bit Error Rate Testing (BERT) of test transmission lines and/or devices and including a test equipment coupled to at least one transmission...
IP network for accomodating mobile users with incompatible network
An flexible address translation method allows a computer network to automatically learn that a visiting node has attached and then automatically establish a...
System and method for placing a telephone call
The present invention provides a system for placing a telephone call using a telephone number and an extension. The system includes an origination device that...
Method and apparatus using transition state protocol signaling for fax
transport manner capability exchange
A method that involves recognizing an incoming FAX call at a destination edge node, the destination edge node supportive of at least two FAX transport manners. A...
Method and system for queuing traffic in a wireless communications network
A method and system for queuing traffic in a wireless network includes receiving a stream of packets for transmission in the wireless network. Each packet...
Arrangement for traversing an IPv4 network by IPv6 mobile nodes
A source IPv6 mobile node is configured for forwarding an IPv6 packet via an IPv4 connection with a destination IPv6 router. The IPv4 packet includes IPv4 source...
Method and apparatus for routing telecommunications signals
The present invention discloses a method and apparatus for cross-connecting high-speed telecommunications signals at a cross-connect apparatus. The cross-connect...
Elimination of clipping associated with VAD-directed silence suppression
A method and apparatus for elimination of clipping associated with VAD-directed silence suppression includes receiving a voice signal in a buffer during the...
System and method for controlling admission of voice communications in a
A system and method for controlling admission of a communication in a network are disclosed. In the network, a virtual circuit having a predetermined bandwidth...