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Assignee: AT&T Corp.


Location: New York, NY
No. of patents: 1212

1                      
NumberTitleIssue Date
8046577Secure IP access protocol framework and supporting network architecture
A protocol framework for a Secure IP Access (SIA) method, and supporting components deployed on IP hosts and IP networks. Using this method, an IP host can establish a secure data channel within an IP network over an insecure shared link while requesting IP address ...
10/25/2011
7864902Differential transmitter diversity technique for wireless communications
Input signals of each frame are encoded by mapping the signals onto a coordinate system dictated by the symbols of the previous frame, and symbols from a constellation are selected based on the results of such mapping. Received signals are detected by preprocessing ...
01/04/2011
7844737Subscription-based priority interactive help services on the internet
The present invention includes a method and apparatus for providing an e-help service over a network. The e-help service provides one or more action sequences, i.e., recommended courses of action, for specialized circumstances over a network, such as an Internet Pro...
11/30/2010
7826443Method for network-based remote IMS CPE troubleshooting
A method for use in an IMS VoIP Network provides for remote troubleshooting of a CPE problem. After receiving a customer complaint, customer care begins the troubleshooting process, collecting and compiling information to send to the test platform. The test platform...
11/02/2010
7818283Service assurance automation access diagnostics
A business process automation system architecture is used to isolate problems in a virtual private network access network. Codified rules and a rules based program are used to determine all equipment from a customer premises equipment to a VPN core access point equi...
10/19/2010
7818177System and method for accessing and annotating electronic medical records using a multi-modal interface
A system and method of exchanging medical information between a user and a computer device is disclosed. The computer device can receive user input in one of a plurality of types of user input comprising speech, pen, gesture and a combination of speech, pen and gest...
10/19/2010
7805266Method for automated detection of data glitches in large data sets
Embodiments of the invention allow the efficient detection of glitches in a set of data. In one embodiment, a set of datapoints is received. The datapoints are transformed into a transformed space, and the transformed space is segmented into a plurality of regions. ...
09/28/2010
7801290Consolidated access and administration of customized telephone calling service
The present invention provides methods that allow more sophisticated use of custom calling services by consolidating the access to and administration of services for multiple lines and/or telephone devices. Embodiments include a single configuration interface for th...
09/21/2010
7800743Method and apparatus for fiber optic signature recognition
A method and apparatus is disclosed for use in fiber optic signature recognition to analyze buried optical fiber to identify a non-threat area along a fiber route and to discontinue monitoring for disturbances along that area of the cable route. The technique includ...
09/21/2010
7797738System and method for avoiding and mitigating a DDoS attack
Described is a system and method for receiving a data packet including a destination address and a source address, the data packet corresponding to a port number, assigning an address risk value for the data packet based on the source address and a port risk value f...
09/14/2010
7797538Broadband certified mail
The present invention provides a system and method for providing certified voice and/or multimedia mail messages in a broadband signed communication system which uses packetized digital information. Cryptography is used to authenticate a message that has been compil...
09/14/2010
7788288Method for distributed configuration and file distribution based on centralized data
A method for propagating changes, including updates and new configurations, to data in a data-store for a network is disclosed. The methodology discovers a method that includes forming a schedule for each one of a group of intelligent peripheral resources and formin...
08/31/2010
7787407Combined simulcasting and dedicated services in a wireless communication system
An efficient method for providing both dedicated and simulcast services over a common wireless infrastructure is described. The services can be available to a single terminal as well as to a multiplicity of terminals simultaneously. The method uses time division mul...
08/31/2010
7773207Estimating optical transmission system penalties induced by polarization mode dispersion (PMD)
Polarization mode dispersion (PMD) induced system penalty ε is determined from optical characteristics of an optical wavelength division multiplexed (WDM) signal that is carried on a network. The method involves tapping the optical WDM signal, separating an optical...
08/10/2010
7769782Method and apparatus for using wavelets to produce data summaries
A system and method are provided for summarizing dynamic data from distributed sources through the use of wavelets. The method comprises receiving a first data signal at a first location, where the first data signal is dynamic, determining a first array sketch of th...
08/03/2010
7769634Conditional electronic coupon distribution method and system
A conditional e-coupon distribution method distributes e-coupons predefined by sellers to mobile users only if the number of mobile users requesting such e-coupons equals or exceeds a threshold. The method receives a request to browse e-coupons from a mobile user. T...
08/03/2010
7769043Packet shaping for mixed rate 802.11 wireless networks
A method of shaping data packet transmissions by nodes in a wireless network is presented. Each node sets a maximum limit for MAC service data unit size based on data rate so that maximum transmission times for data packet transmissions by all of the nodes are appro...
08/03/2010
7769021Multiple media fail-over to alternate media
The present invention is a system and method for failing over from a current network access medium to an alternative network access medium. A customer premises equipment (CPE) box has ports for connections to a network through several network access media, such as h...
08/03/2010
7756071Multiple access spread spectrum switching methodology
A low-cost, low-power, low-complexity, small, high-reliability, robust, seamless satellite communication network is described. The network performs encoding of a user signal at the customer premises to enable routing of the user signal to an appropriate destination ...
07/13/2010
7752403Methods and systems for secure dispersed redundant data storage
Systems and methods are disclosed for providing and maintaining secure distributed randomly redundant data storage. ...
07/06/2010
7746990Providing called number characteristics to click-to-dial customers
A system and method to provide content and call attributes for a destination phone number using a click-to-dial connection includes accepting a query, retrieving links to a document, and searching through cached data using the query to identify relevant or destinati...
06/29/2010
7746547Multi-band hybrid SOA-Raman amplifier for CWDM
A multi-band hybrid amplifier is disclosed for use in optical fiber systems. The amplifier uses Raman laser pumps and semiconductor optical amplifiers in series to produce a relatively level gain across the frequency range of interest. Multiple Raman pumps are multi...
06/29/2010
7738643Method for troubleshooting echo on teleconference bridge
This is a method for use in a teleconference that troubleshoots echo problems. After receiving a code to begin the troubleshooting process, all legs of the teleconference are muted except a test leg. That test leg is evaluated for echo. The process is repeated for e...
06/15/2010
7738164Multi-band hybrid SOA-Raman amplifier for CWDM
A multi-band hybrid amplifier is disclosed for use in optical fiber systems. The amplifier uses Raman laser pumps and semiconductor optical amplifiers in series to produce a relatively level gain across the frequency range of interest. Multiple Raman pumps are multi...
06/15/2010
7734179Fiber/wired communication system
A communication system between head-ends and end-users is provided which expands bandwidth and reliability. A concentrator receives communication signals from a head-end and forwards the received communication signals to one or more fiber nodes and/or one or more mi...
06/08/2010
7734172Router having dual propagation paths for packets
A router comprising an interface module (IM), having an optical path and an electrical path and a speed sensor coupled between an input of the router and an input of the IM. The speed sensor is adapted to receive a packet and detect a speed of the IM connection and ...
06/08/2010
7734024Method and apparatus for providing user access via multiple partner carriers for international calls
A method and apparatus for providing subscribers of a VoIP service provider to take advantage of wholesale arrangements made by the VoIP service provider with one or more international partner carrier network providers to one or more international countries are disc...
06/08/2010
7734022Method and apparatus for managing call requests in a communication network
Method and apparatus for managing call requests in a communication network is described. In one example, a call request for a public identifier associated with a recipient party is received from an originating device. A set of approved calling party identifiers asso...
06/08/2010
7734021Method and apparatus for supporting out of area phone number for emergency services
A method and apparatus for enabling a service provider to map a subscriber service address to a specific Public Safety Answering Point (PSAP) and then provides an association between the subscriber's out of area phone number and the correct PSAP are disclosed. When ...
06/08/2010
7730494Methods and apparatus for service and network management event correlation
Service and network management events are correlated, enabling a user to correlate all the application and network events that stem from a common fault without requiring repeated and exhaustive capturing of detailed knowledge of the network assets, the topological r...
06/01/2010
7729262Method and system for assigning channels in a wireless LAN
Described is a system and method for receiving traffic load information for a plurality of access points, each of the access points including at least two channels for communicating and neighboring at least one of the other access points. A throughput of each channe...
06/01/2010
7724884Method and apparatus for notifying called and/or calling parties of a call placement
A method and apparatus for providing email notification for called and/or calling parties of a call placement are disclosed. The method enables a packet network service provider, e.g., a VoIP or SoIP service provider, to register customers for email notification ser...
05/25/2010
7724744Method and system for a unicast endpoint client to access a multicast internet protocol (IP) session
Unicast endpoint clients on an IP Unicast network are provided access to Multicast sessions on an IP Multicast network through a Multicast-Unicast gateway server. The server obtains information about sessions on the Multicast network and makes such information avail...
05/25/2010
7724685Network segmentation method
A method includes obtaining first information indicative of instability of a data communication network. The method also includes isolating a first portion of a network from a second portion of the network responsive to the obtained first information. After a predet...
05/25/2010
7715548Method and apparatus for integrating customer care inquiries across different media types
A method and apparatus for integrating queries across different media types so that the response time performance of a customer care agent, such as time to respond and/or time to repair can be uniformly measured are disclosed. The present method can provide configur...
05/11/2010
7715412Decomposed H.323 network border element for use in a voice-over-internet protocol network
A decomposed H.323 border element is disclosed that is useful for providing an entry point from one or more H.323-based networks into a SIP-based VoIP network. In one embodiment, the signaling element of the BE is separated into a separate functional entity from the...
05/11/2010
7715368Method and apparatus for dynamically debiting a donation amount
A method and apparatus for dynamically debiting a donation amount from an account in a communications network is described. In one embodiment, an interface associated with a network service bill used to allow a subscriber to designate the donation amount is provided...
05/11/2010
7715340Method and apparatus for enabling IP mobility with high speed access and network intelligence in communication networks
An architecture for network layer mobility support, using always on broadband high speed access and a network-based mobility manager, termed as a network server or gateway is disclosed. The present invention obviates the need of MIP for IP mobility. ...
05/11/2010
7707626Authentication management platform for managed security service providers
An authentication management platform that enables authentication systems from various vendors to be integrated into a single service offering. The disclosed arrangement can support multiple, distinct customers and multiple primary authentication servers on a single...
04/27/2010
7706517Call initiation via calendar
A system and method for initiating calls via electronic calendar is disclosed. A call list is associated by a user to a particular time and day within the electronic calendar. When the particular day and time arrives, the call list is forwarded to a service which ex...
04/27/2010
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