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Note: Inventor lists include only current AT&T Labs - Research Employees. For a full list of Inventors, please use the Patent Number Search at the United States Patent and Trademark Office Web site.



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Title Patent # Grant Date
Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation 7379432 05/27/2008
System and method of customizing animated entities for use in a multi-media communication application 7379066 05/27/2008
Integrated services director (ISD) overall architecture 7376142 05/20/2008
Method and apparatus of providing resource allocation and admission control support in a VPN 7376084 05/20/2008
Methods and systems for improving data transmission rates having adaptive protocols 7373417 05/13/2008
System and method of providing a spoken dialog interface to a website 7373300 05/13/2008
Text-to-scene conversion 7373292 05/13/2008
Method and system for employing underutilized communication channels as outbound gateways 7372850 05/13/2008
Selection of a signal input from an optical fiber member 7372554 05/13/2008
Methods and apparatus for rapid acoustic unit selection from a large speech corpus 7369994 05/06/2008
System and method for triphone-based unit selection for visual speech synthesis 7369992 05/06/2008
Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input 7369838 05/06/2008
Method and apparatus for routing data 7369542 05/06/2008
Clustered OFDM with channel estimation 7369487 05/06/2008
Method and system for aligning natural and synthetic video to speech synthesis 7366670 04/29/2008
System and method for processing speech files 7366665 04/29/2008
Method of generating a labeling guide for spoken dialog services 7366655 04/29/2008
Method and apparatus for transmitting high rate packet data over under-utilized virtual circuits 7366469 04/29/2008
Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch 7366417 04/29/2008
Method for distributing calls to a group of end points 7366173 04/29/2008
Loss tolerant transmission control protocol 7366132 04/29/2008
Network monitoring and disaster detection 7366104 04/29/2008
Computer readable medium for modifying an animation wire frame 7365749 04/29/2008
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides 7362932 04/22/2008
Phrase matching in documents having nested-structure arbitrary (document-specific) markup 7356528 04/08/2008
Automatic clustering of tokens from a corpus for grammar acquisition 7356462 04/08/2008
Method and apparatus for code division switching of communication signals by trunk coding 7356306 04/08/2008
Bidirectionally predicted pictures or video object planes for efficient and flexible video coding 7356081 04/08/2008
Method and apparatus for assigning communication nodes to CMTS cards 7353530 04/01/2008
System and method for representing compressed information 7353447 04/01/2008
Power efficiency in microprocessors using reduction of hamming distance between data value 7353411 04/01/2008
Secure in-band signaling method for mobility management crossing firewalls 7353290 04/01/2008
System and method of providing conversational visual prosody for talking heads 7353177 04/01/2008
Method and apparatus for capacity-efficient restoration in an optical communication system 7352966 04/01/2008
System and method of providing conversational visual prosody for talking heads 7349852 03/25/2008
CDMA to packet switching interface for code division switching in a terrestrial wireless system 7349375 03/25/2008
Network security device and method 7346783 03/18/2008
Frequency assignment for multi-cell IEEE 802.11 wireless networks 7346357 03/18/2008
Nonuniform oversampled filter banks for audio signal processing 7346137 03/18/2008
Multi-band hybrid SOA-raman amplifier for CWDM 7342714 03/11/2008
Method and apparatus for secure remote access to an internal web server 7334126 02/19/2008
Methods and systems for polarization mode dispersion compensation 7333728 02/19/2008
Systems and methods for assessing computer security 7328454 02/05/2008
Spoken language understanding that incorporates prior knowledge into boosting 7328146 02/05/2008
Forecasting outcomes based on analysis of text strings 7324918 01/29/2008
System and method for selectively transferring wireless caller location information 7324823 01/29/2008
Method and apparatus for segmenting a multi-media program based upon audio events 7319964 01/15/2008
System for transparent node for WDM shared "virtual ring" networks 7319817 01/15/2008
Method and system to calculate an approximate location of a mobile station in a recurrent route 7319413 01/15/2008
Synchronous transmission of data with network remote control 7317926 01/08/2008
Interaction modalities for multimedia delivery and presentation 7310811 12/18/2007
Method and apparatus for managing hierarchical collections of data 7310652 12/18/2007
Architecture and method for using IEEE 802.11-like wireless LAN system to emulate private land mobile radio system (PLMRS) radio service 7307963 12/11/2007
System and method for configuring voice synthesis 7305340 12/04/2007
Method for exchanging signaling messages in two phases 7305081 12/04/2007
Method for bandwidth management by resizing pipes 7301964 11/27/2007
Apparatus for size-dependent sampling for managing a data network 7299283 11/20/2007
Method for unidirectional and bidirectional label switched path setup in a label switched network 7298700 11/20/2007
Method and apparatus for delaying start of restoration of low priority services 7298695 11/20/2007
Method for improving web performance by adapting servers based on client cluster characterization 7296089 11/13/2007
Method and apparatus for windowing in entropy encoding 7296030 11/13/2007
System and method for automatic verification of the understandability of speech 7295982 11/13/2007
Method for building a natural language understanding model for a spoken dialog system 7295981 11/13/2007
Systems and methods for extracting meaning from multimodal inputs using finite-state devices 7295975 11/13/2007
Unsupervised speaker segmentation of multi-speaker speech data 7295970 11/13/2007
Optical/radio local access network 7295777 11/13/2007
Telecommunications network system and method 7295667 11/13/2007
Traffic matrix estimation method and apparatus 7293086 11/06/2007
Active labeling for spoken language understanding 7292982 11/06/2007
Active learning process for spoken dialog systems 7292976 11/06/2007
Method for increasing accuracy of measurement of mean polarization mode dispersion 7292322 11/06/2007
Multiple description coding communication system 7289565 10/30/2007
Method for performing gate coordination on a per-call basis 7289490 10/30/2007
Method and apparatus for a fixed wireless broadband access and wireless LAN integration 7289478 10/30/2007
Method of selecting receive antennas for MIMO systems 7283798 10/16/2007
Fiber and wire communication system 7283749 10/16/2007
Method, apparatus and system for minimally intrusive fiber identification 7283688 10/16/2007
Network segmentation method 7283484 10/16/2007
Systems and methods for monitoring speech data labelers 7280965 10/09/2007
Metropolitan networks based on fiber and free space access distribution system 7280757 10/09/2007
Fast dynamic gain control in cascaded Raman fiber amplifiers 7280271 10/09/2007
Mobile device server 7277693 10/02/2007
Fast dynamic gain control in cascaded Raman fiber amplifiers 7277221 10/02/2007
Distributed graph layout for sensor node networks 7275014 09/25/2007
Optical/radio local access network 7274877 09/25/2007
Network having space chattering control for maximizing call throughput during overload 7274780 09/25/2007
Method for performing segmented resource reservation 7274662 09/25/2007
System and method of ubiquitous language translation for wireless devices 7272377 09/18/2007
Graph algorithm for common neighborhood analysis 7269628 09/11/2007
Upstream bandwidth allocation for packet telephony in a shared-media packet-switched access network 7269159 09/11/2007
Automatic segmentation in speech synthesis 7266497 09/04/2007
Method for intelligent home controller and home monitor 7263370 08/28/2007
Method and apparatus for active reduction of speakerphone singing 7263184 08/28/2007
Systems and methods for generating markup-language based expressions from multi-modal and unimodal inputs 7257575 08/14/2007
Estimating optical transmission system penalties induced by polarization mode dispersion (PMD) 7256876 08/14/2007
Real-time addresses for direct mail using online directories 7254549 08/07/2007
Power allocation scheme for DMT-based modems employing simplex transmission 7254166 08/07/2007
Telecommunication network system and method in communication services using session initiation protocol 7251254 07/31/2007
Method for performing gate coordination on a per-call basis 7245610 07/17/2007
Scheme for routing circuits with dynamic self-adjusting link weights in a network 7242679 07/10/2007
Synthesis-based pre-selection of suitable units for concatenative speech 7233901 06/19/2007
Method and apparatus for performing packet loss or frame erasure concealment 7233897 06/19/2007
System and method for natural language generation 7231341 06/12/2007
Digitally-generated lighting for video conferencing applications 7231099 06/12/2007
Network access with delayed delivery 7231023 06/12/2007
Method and apparatus for communications traffic engineering 7230924 06/12/2007
System and method for determining traffic conditions 7228224 06/05/2007
Arrangement for low cost path protection for optical communications networks 7228027 06/05/2007
Method for reducing congestion in packet-switched networks 7227843 06/05/2007
System and method for accessing and annotating electronic medical records using multi-modal interface 7225131 05/29/2007
System and method for processing speech files 7225126 05/29/2007
Method and system for handwritten electronic messaging 7224991 05/29/2007
Method for secure remote backup 7222233 05/22/2007
Method and apparatus for personalization of a public multimedia communications terminal 7221936 05/22/2007
Method for fast network-aware clustering 7219160 05/15/2007
Method and system for pattern matching having holistic twig joins 7219091 05/15/2007
System and method for processing speech recognition results 7219058 05/15/2007
Systems and methods for generating an annotation guide 7219054 05/15/2007
System and method of pattern recognition in very high-dimensional space 7216076 05/08/2007
System for bandwidth extension of narrow-band speech 7216074 05/08/2007
Language-understanding systems employing machine translation component 7212964 05/01/2007
Voice-messaging with attachments 7212614 05/01/2007
Systems and methods for dynamic re-configurable speech recognition 7209880 04/24/2007
Frequency assignment for multi-cell IEEE 802.11 wireless networks 7206586 04/17/2007
Method for allocating network resources 7206397 04/17/2007
Methods and systems for polarization mode dispersion compensation 7203423 04/10/2007
Method for providing voice-over-IP service 7203166 04/10/2007
Packet-switched network topology tracking method and system 7200120 04/03/2007
Method and apparatus for reducing access delay in discontinuous transmission packet telephony systems 7197464 03/27/2007
System for handling frequently asked questions in a natural language dialog service 7197460 03/27/2007
Virtual private network 7197048 03/27/2007
Fast prefix matching of bounded strings 7191168 03/13/2007
Fiber and wire communication system 7190903 03/13/2007
Method for providing high connectivity communications over a packet-switched optical ring network using composite packets 7190899 03/13/2007
Ultra-wide bandwidth system and method for in-premises wireless networking 7187647 03/06/2007
Methods and systems for optimizing network traffic 7185104 02/27/2007
Method and apparatus for ranked join indices 7185012 02/27/2007
System and method for automated multimedia content indexing and retrieval 7184959 02/27/2007
Recognizing the numeric language in natural spoken dialogue 7181399 02/20/2007
Mobile device having network interface selection 7180876 02/20/2007
Method and system of monitoring the receipt of multicast traffic 7180856 02/20/2007
Method for selecting a restoration path in a mesh network 7180852 02/20/2007
System and method of handling problematic input during context-sensitive help for multi-modal dialog systems 7177816 02/13/2007
System and method of context-sensitive help for multi-modal dialog systems 7177815 02/13/2007
Network having bandwidth sharing 7177324 02/13/2007
Method and apparatus for a programming language having fully undoable, timed reactive instructions 7174481 02/06/2007
Fast authentication and access control method for mobile networking 7174456 02/06/2007
Method and apparatus for measuring frequency-resolved states of polarization of a working optical channel using polarization-scrambled heterodyning 7174107 02/06/2007
Speech recognition over lossy networks with rejection threshold 7171359 01/30/2007
Arrangement for low cost path protection for optical communications networks 7171070 01/30/2007
Method for dialog management 7167832 01/23/2007
Routing optimizations for telecommunications network system and method 7167554 01/23/2007
Method and apparatus for packet analysis in a network 7165100 01/16/2007
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides 7164826 01/16/2007
Enhanced call feature service 7164762 01/16/2007
Method and apparatus for QoS improvement with packet voice transmission over wireless LANs 7164672 01/16/2007
Shared bandwidth reservation in PL, ATM, FR and IP/MPLS networks 7164653 01/16/2007
Method for prevention of recursive loops between network elements 7159032 01/02/2007
Method and system for predicting problematic situations in a automated dialog 7158935 01/02/2007
Method for operating transparent node for WDM shared 7158722 01/02/2007
Multi-antenna/multi-receiver array diversity system 7155192 12/26/2006
Spoken language understanding that incorporates prior knowledge into boosting 7152029 12/19/2006
Method for performing lawfully-authorized electronic surveillance 7151772 12/19/2006
Method for content distribution in a network supporting a security protocol 7149803 12/12/2006
Bioacoustic control system, method and apparatus 7148879 12/12/2006
System and method of watermarking signal 7146503 12/05/2006
Automatic router configuration based on traffic and service level agreements 7145871 12/05/2006
Broadband coupler technique for electrical connection to power lines 7145440 12/05/2006
Fast dynamic gain control in an optical fiber amplifier 7142356 11/28/2006
System for dialog management 7139717 11/21/2006
System and method for providing remote automatic speech recognition and text to speech services via a packet network 7139715 11/21/2006
System and method for generating morphemes 7139698 11/21/2006
Method and apparatus for securely connecting a plurality of trust-group networks, a protected resource network and an untrusted network 7131141 10/31/2006
System and method for providing wireless services within a wireless local area network 7130612 10/31/2006
Method and system for predicting understanding errors in a task classification system 7127395 10/24/2006
System for mitigating the effects of fiber dispersion by separate detection of two transmitted sidebands 7127181 10/24/2006
Method and system for preselection of suitable units for concatenative speech 7124083 10/17/2006
System and method of coding sound signals using sound enhancement 7124078 10/17/2006
Home resource controller system 7123138 10/17/2006
Method and apparatus for controlling a network device 7120241 10/10/2006
FSOC/radio intrusion detection system 7119680 10/10/2006
Method and apparatus for performing packet loss or frame erasure concealment 7117156 10/03/2006
Coarticulation method for audio-visual text-to-speech synthesis 7117155 10/03/2006
Method and apparatus for network-assisted automatic confirmation of short message service delivery 7116997 10/03/2006
Document expansion in speech retrieval 7113910 09/26/2006
Method and apparatus for providing stochastic finite-state machine translation 7113903 09/26/2006
Method and system for aligning natural and synthetic video to speech synthesis 7110950 09/19/2006
Frame erasure concealment technique for a bitstream-based feature extractor 7110947 09/19/2006
Method and apparatus for managing voice call quality over packet networks 7110422 09/19/2006
Automatic wireless service activation in a private local wireless system 7103347 09/05/2006
Effective deployment of temporal noise shaping (TNS) filters 7099830 08/29/2006
Selective call waiting service 7099452 08/29/2006
Method for preventing overload condition in a circuit switched arrangement 7099329 08/29/2006
Fiber access architecture capable of being seamlessly upgraded 7095958 08/22/2006
Optical/radio local access network 7095957 08/22/2006
Technique for mitigation of polarization mode dispersion in fiber optic transmission links 7095912 08/22/2006
Internetworking driver with active control 7093030 08/15/2006
System and method of customizing animated entities for use in a multi-media communication application 7091976 08/15/2006
Inbound interference reduction in a broadband powerline system 7091849 08/15/2006
Subscription-based priority interactive help services on the internet 7089329 08/08/2006
Methods and systems for fast restoration in a mesh network of optical cross connects 7088676 08/08/2006
Method for task classification using morphemes 7085720 08/01/2006
System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion of RF service bands within wavelength bands 7085495 08/01/2006
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides 7085454 08/01/2006
Methods and apparatus for rapid acoustic unit selection from a large speech corpus 7082396 07/25/2006
System and method for delivering content in a unicast/multicast manner 7082142 07/25/2006
Method and apparatus for size-dependent sampling for managing a data network 7080136 07/18/2006
Apparatus for tracking connection of service provider customers via customer use patterns 7079634 07/18/2006
Advance TTS for facial animation 7076426 07/11/2006
Method for whitening spread spectrum codes 7075968 07/11/2006
Mobile host using a virtual single account client and server system for network access and management 7069433 06/27/2006
Method and apparatus for coordinating a change in service provider between a client and a server 7069344 06/27/2006
Systems and methods for extracting meaning from multimodal inputs using finite-state devices 7069215 06/27/2006
System and method for monitoring and controlling light propagation in an optical transmission system 7068940 06/27/2006
Fiber and wire communication system 7068937 06/27/2006
Method for preventing overload condition in a circuit switched arrangement 7068766 06/27/2006
Service selection in a shared access network using policy routing 7065578 06/20/2006
Enhancing speech intelligibility using variable-rate time-scale modification 7065485 06/20/2006
Method and device for efficient bandwidth management 7065048 06/20/2006
Layer-2 IP networking method and apparatus for mobile hosts 7058059 06/06/2006
System for intelligent home controller and home monitor 7054645 05/30/2006
Method and apparatus for active reduction of speakerphone singing 7054438 05/30/2006
Integrated services director (ISD) overall architecture 7054313 05/30/2006
Method and apparatus for a distributed firewall 7051365 05/23/2006
Graph algorithm for common neighborhood analysis 7051074 05/23/2006
Method and apparatus for performing packet loss or frame erasure concealment 7047190 05/16/2006
Channel efficiency based packet scheduling for interactive data in cellular networks 7046678 05/16/2006
Method and system for customer selected direct dialed voice-over-internet protocol (VOIP) 7046658 05/16/2006
Method and apparatus for providing a broadband raman amplifier with improved noise performance 7046427 05/16/2006
Fault location apparatus and procedures in CWDM business applications using wavelength selective OTDR 7042559 05/09/2006
Method and apparatus for personalization of a public multimedia communications terminal 7039411 05/02/2006
Control of optical connections in an optical network 7039009 05/02/2006
System and method for diagnosing computer system operational behavior 7035766 04/25/2006
Method and apparatus for enhanced security in a broadband telephony network 7035410 04/25/2006
Technique for mitigation of polarization mode dispersion in fiber optic transmission links 7031559 04/18/2006
Control of optical connections in an optical network 7031299 04/18/2006
Network access device having internetworking driver with active control 7028104 04/11/2006
Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch 7027733 04/11/2006
Method for exchanging signaling messages in two phases 7027581 04/11/2006
System and method for deriving traffic demands for a packet-switched network 7027448 04/11/2006
Method and apparatus for coordinating a change in service provider between a client and a server with identity based service access management 7027432 04/11/2006
Apparatus and methods for providing translucent proxies in a communications network 7016973 03/21/2006
Method and apparatus for reducing access delay in discontinuous transmission packet telephony systems 7016850 03/21/2006
System and method for text-to-speech processing in a portable device 7013282 03/14/2006
Synthesis-based pre-selection of suitable units for concatenative speech 7013278 03/14/2006
Method and apparatus for transmitting high speed data by spectral decomposition of the signaling space 7012953 03/14/2006
Method of performing approximate substring indexing 7010522 03/07/2006
Optical/radio local access network 7010227 03/07/2006
Broadband network with enterprise wireless communication method for residential and business environment 7010002 03/07/2006
Fiber-optic access network utilizing CATV technology in an efficient manner 7007297 02/28/2006
Method for intelligent home controller and home monitor 7006832 02/28/2006
Method of selecting receive antennas for MIMO systems 7006810 02/28/2006
High-speed two-way point-to-point transmission 7006804 02/28/2006
System for transparent node for WDM shared "virtual ring" networks 7006767 02/28/2006
Link state network having weighted control message processing 7006441 02/28/2006
Method for providing voice-over-IP service 7006436 02/28/2006
Method and system for predicting understanding errors in automated dialog systems 7003459 02/21/2006
Method and system for handwritten electronic messaging 7003308 02/21/2006
Broadband network with enterprise wireless communication system for residential and business environment 7002995 02/21/2006
Traffic matrix computation for packet networks 7002960 02/21/2006
Method and system to calculate an approximate location of a mobile station in a recurrent route 7002489 02/21/2006
Method for bandwidth management by resizing pipes 6999474 02/14/2006
Method and apparatus for an architecture and design of internet protocol quality of service provisioning 6999420 02/14/2006
System and method for providing access to multiple user accounts via a common password 6996718 02/07/2006
E-coupon service for location-aware mobile commerce which determines whether to supply requested e-coupons based on the number of requests received in a processing cycle... 6996579 02/07/2006
Distance measure for probability distribution function of mixture type 6993452 01/31/2006
Cable data service method 6993353 01/31/2006
Transmit and receive system for cable data service 6993050 01/31/2006
End-to-end prioritized data delivery on networks using IP over frame relay 6993043 01/31/2006
Routing extensions for telecommunication network system and method 6990185 01/24/2006
System and method for improving transport protocol performance in communication networks having lossy links 6990069 01/24/2006
Method for preventing overload condition in a circuit switched arrangement 6987848 01/17/2006
Method for providing a phone conversation recording service 6987841 01/17/2006
Metropolitan networks based on fiber and free space access distribution method 6983109 01/03/2006
Method for call forwarding without hairpinning and with split billing 6983040 01/03/2006
Method for selecting a restoration path in a mesh network 6982951 01/03/2006
Distributed evalulation of directory queries using a topology cache 6980985 12/27/2005
Point coordinated spread-spectrum wireless local area network 6980810 12/27/2005
Digitally-generated lighting for video conferencing applications 6980697 12/27/2005
Network having space chattering control for maximizing call throughput during overload 6977995 12/20/2005
System and method for tracking the relative location of mobile stations belonging to a pre-defined group of mobile stations 6975873 12/13/2005
Method for integrating wired and wireless packet/cell networking via ATM 6975634 12/13/2005
Method and apparatus for performing packet loss or Frame Erasure Concealment 6973425 12/06/2005
Metropolitan networks based on fiber and free space access distribution system 6973269 12/06/2005
Power allocation scheme for DMT-based modems employing simplex transmission 6973122 12/06/2005
Method And Apparatus For Provisioning and Monitoring Internet Protocol Quality Of Service 6973033 12/06/2005
Virtual Single Account Client And Server System For Network Access And Management 6971005 11/29/2005
Real Time Replay Service For Communications Network 6970712 11/29/2005
Method And Apparatus For Controlling A Network Device 6970696 11/29/2005
Smart Routers-Simple Optics: Network Architecture For IP Over WDM 6970451 11/29/2005
Method And Apparatus For Throttling And Distributing Data Transmissions Across A Network 6970425 11/29/2005
Methods And Systems For Fast Restoration In A Mesh Network Of Optical Cross 6970417 11/29/2005
Method And Device For Efficient Bandwidth Management 6967921 11/22/2005
Method And Apparatus For Performing Packet Loss Or Frame Erasure Concealment 6961697 11/01/2005
Technique For Mitigation Of Polarization Mode Dispersion In Fiber Optic Transmission Links 6961483 11/01/2005
Scalable Video Encoder/Decoder With Drift Control 6961383 11/01/2005
Data Compression Method And Apparatus 6959300 10/25/2005
Diversity Receiver For Mitigating The Effects Of Fiber Dispersion By Separate Detection Of Two Transmitted Sidebands 6959154 10/25/2005
Method For Content-Aware Redirection And Content Renaming 6954456 10/11/2005
Method And Apparatus For Performing Packet Loss Or Frame Erasure Concealment 6952668 10/04/2005
Employing Speech Models In Concatenative Speech Synthesis 6950798 09/27/2005
Probabilistic Model For Natural Language Generation 6947885 09/20/2005
Local information-based restoration arrangement 6947376 09/20/2005
Method And System For Predicting Problematic Dialog Situations In A Task Classification System 6941266 09/06/2005
Multifunction Interface Facility Connecting Wideband Multiple Access Subscriber Loops With Various Networks 6937595 08/30/2005
Apparatus And Method For Designing A Network 6934259 08/23/2005
Method And System For Identifying Representative Trends Using Sketches 6931400 08/16/2005
Methods And Apparatus For Communicating Information In A Supervised Learning System 6931383 08/16/2005
Method For Network-Aware Clustering Of Clients In A Network 6928485 08/09/2005
Methods And Systems For Improving Data Transmission Rates Having Adaptive Protocols 6925502 08/02/2005
Parallel Random Proxy Usage For Large Scale Web Access 6925461 08/02/2005
MAC Protocol For Optical Packet-Switched Ring Network 6925259 08/02/2005
Home Resource Controller System 6924739 08/02/2005
Call Tracker 6920208 07/19/2005
Method And Apparatus For Accomplishing Multiple Description Coding For Video 6920177 07/19/2005
Method For Establishing Call State Information Without Maintaining State Information At Gate Controllers 6915421 07/05/2005
System And Method For Counteracting Message Filtering 6915334 07/05/2005
Cache Invalidation Technique With Spurious Resource Change Indications 6912562 06/28/2005
Virtual Private Network 6912232 06/28/2005
Method For Transferring And Displaying Data Pages On A Data Network 6910073 06/21/2005
Method And System For Facilitating Call-Related Activities 6907118 06/14/2005
Method And System For Providing Communication Control Functionality At A Remotely Located Site Using A Distributed Feature Architecture 6907012 06/14/2005
Method For Using Query Templates In Directory Caches 6904433 06/07/2005
Method And System For Classifying Image Elements 6901169 05/31/2005
Method And Apparatus For Advanced Scheduling And Messaging System 6898569 05/24/2005
System For Bandwidth Extension Of Narrow-Band Speech 6895375 05/17/2005
Subscription-Based Priority Interactive Help Services On The Internet 6886045 04/26/2005
Hybrid Fiber Twisted Pair Local Loop Network Service Architecture 6885662 04/26/2005
Network Protocol Having Staggered Recovery 6885634 04/26/2005
Consistent sampling for network traffic measurement 6873600 03/29/2005
Power spectrum monitoring and management in a wavelength division multiplexed network 6871020 03/22/2005
Method for providing privacy by network address translation 6870845 03/22/2005
Systems and methods for extracting meaning from multimodal inputs using finite-state devices 6868383 03/15/2005
Voice-operated interface for DTMF-controlled systems 6868142 03/15/2005
Circuit to provide backup telephone service for a multiple service access system using a twisted pair 6868060 03/15/2005
Method and system for aligning natural and synthetic video to speech synthesis 6862569 03/01/2005
System and method for providing remote automatic speech recognition and text-to-speech services via a packet network 6856960 02/15/2005
Fast authentication and access control system for mobile networking 6856800 02/15/2005
Free Space Duplexed Optical Communication With Transmitter End Multiplexing And Receiver End Amplification 6856741 02/15/2005
Technique for mitigation of polarization mode dispersion in fiber optic transmission links 6856711 02/15/2005
Targeted advertising in a telephone dialing system 6856673 02/15/2005
Method For Generating Contiguous Cartograms 6853386 02/08/2005
Network Server Platform (NSP) For A Hybrid Coaxial/Twisted Pair Local Loop Network Service Architecture 6850533 02/01/2005
Traffic Management For Frame Relay Switched Data Service 6847611 01/25/2005
Startup Management System And Method For Rate-Based Flow And Congestion Control Within A Network 6839768 01/04/2005
Integration Of Talking Heads And Text-To-Speech Synthesizers For visual TTS 6839672 01/04/2005
Method And Apparatus For Setting User Communication Parameters Based On Voice Identification Of Users 6839410 01/04/2005
Method And Apparatus For Throttling Requests To A Server 6836785 12/28/2004
Methods And Apparatus For Detecting Heap Smashing 6832302 12/14/2004
System And Method Of Enhancing And Coding Speech 6832188 12/14/2004
Routing Optimizations For Telecommunications Network System And Method 6829346 12/07/2004
Network Having Space Chattering Control For Maximizing Call 6829338 12/07/2004
Methods And Systems For Fast Optimization Of Network Traffic 6829220 12/07/2004
Telecommunications Network System And Method 6826275 11/30/2004
Method For Preventing Overload Condition In A Circuit Switched Arrangement 6826273 11/30/2004
Nonlinear Transmission Line Integrated Circuit 6826208 11/30/2004
Secure Purchases Over A Computer 6823318 11/23/2004
Method For Allocating Network 6823059 11/23/2004
Protocol Extensions For Telecommunications Network 6822942 11/23/2004
Method And Apparatus For Providing A Broadband Raman Amplifier With Improved Noise Performance 6813067 11/02/2004
Map Simplification System 6812925 11/02/2004
Method Of Delivering An Audio Or Multimedia Greeting Containing Messages From A Group Of Contributing Users 6804806 10/12/2004
Method And Apparatus For Segmenting A Multi-Media Program Based Upon Audio Events 6801895 10/05/2004
Method and apparatus for load-sensitive routing of long-lived packet flows 6801502 10/05/2004
Hardware-Assisted Visibility-Ordering Algorithm 6801215 10/05/2004
Bitstream-based feature extraction method for a front-end speech recognizer 6792405 09/14/2004
Method and apparatus for modeling a web server 6789050 09/07/2004
Method and System for Transfer of Mobile Chat Sessions 6788949 09/07/2004
Optical/radio local access network 6788898 09/07/2004
Method for converting relational data into XML 6785673 08/31/2004
Method and apparatus for routing of best-effort and quality of service flows 6785260 08/31/2004
Method for bandwidth management by resizing pipes 6785233 08/31/2004
Method and system for delivering messages to both live recipients and recording systems 6782358 08/24/2004
Method for mapping call detail data into a database for quick retrieval 6782085 08/24/2004
Signaling/media separation for telecommunication network system and method 6778560 08/17/2004
PNNI-based multi-link shortest path Class-of Service routing technique 6778535 08/17/2004
Time-dependent messaging 6775690 08/10/2004
Speech recognition over lossy transmission systems 6775652 08/10/2004
Method and apparatus for active reduction of speakerphone singing 6771769 08/03/2004
Method and apparatus for delivering messages to a device 6771749 08/03/2004
Systems and methods for managing multiple communications 6768722 07/27/2004
System, method and apparatus for network service load and reliability management 6760775 07/06/2004
Linked call forwarding 6757704 06/29/2004
Method for performing gate coordination on a per-call basis 6757290 06/29/2004
IP Backbone Network Reliability and Performance Analysis Method and Apparatus 6754843 06/22/2004
Method and apparatus for dynamically displaying brand information in a user interface 6753887 06/22/2004
Method for monitoring and meeting customer bandwidth demand in operational IP data networks 6751664 06/15/2004
Flexible interchange of coded multimedia facilitating access and streaming 6751623 06/15/2004
Method and apparatus for improving end to end performance of a data network 6751608 06/15/2004
Method and system for predicting understanding errors in a task classification system 6751591 06/15/2004
Automatic clustering of tokens from a corpus for grammar acquisition 6751584 06/15/2004
Intra-premises wireless broadband service using lumped and distributed wireless radiation from cable source input 6751441 06/15/2004
Fiber and wire communication system 6751417 06/15/2004
Four-port wavelength-selective crossbar switches (4WCS) using reciprocal WDM MUX-DEMUX and optical circulator combination 6751372 06/15/2004
Method for allocating network resources 6748070 06/08/2004
Method and apparatus for provisioning and monitoring internet protocol quality of service 6744767 06/01/2004
Method and apparatus for displaying and header scrolling a hierarchical data structure 6738787 05/18/2004
Multidimensional substring selectivity estimation using set hashing of cross-counts 6738762 05/18/2004
Free space duplexed optical communication with transmitter end multiplexing and receiver and amplification 6735356 05/11/2004
Free space optical communication link with diversity 6731878 05/04/2004
Method for preventing overload condition in a circuit switched arrangement 6731740 05/04/2004
Method and Apparatus for Transporting Private Line Traffic over an ATM Network 6728272 04/27/2004
System and method for automated multimedia content indexing and retrieval 6714909 03/30/2004
Routing over large clouds 6711152 03/23/2004
System and method for improving transport protocol performance in communication networks having lossy links 6711128 03/23/2004
Porting POSIX-conforming operating systems to Win32 API-conforming operating systems 6708194 03/16/2004
Method and system for testing subscriber loops using touchtone telephone signals 6707886 03/16/2004
Method and apparatus for the encapsulation of control information in a real-time data stream 6707819 03/16/2004
Method for Monitoring Service Availability and Maintaining Customer Bandwidth in a Connectionless (IP) Data Network 6704289 03/09/2004
Methods and apparatus for rapid acoustic unit selection from a large speech corpus 6701295 03/02/2004
Apparatus for Tracking Connection of Service Provider Customers via Customer Use Patterns 6700960 03/02/2004
System and method for generating orthogonal codes 6700864 03/02/2004
Method and apparatus for rapid acoustic unit selection from a large speech corpus 6697780 02/24/2004
Multiple input waveguide grating router for broadcast and multicast services 6697574 02/24/2004
Method for Designing a Network 6697334 02/24/2004
Method for establishing call state information without maintaining state information at gate controllers 6694429 02/17/2004
Method and apparatus for prepaid inbound call forwarding service 6694003 02/17/2004
Master system for accessing multiple telephony messaging systems 6693994 02/17/2004
Method and apparatus for cell scrolling a data structure 6690401 02/10/2004
Method and system for preselection of suitable units for concatenative speech 6684187 01/27/2004
Method and system for transmitting background audio during a telephone call 6683938 01/27/2004
Method for generating morphemes 6681206 01/20/2004
Method and apparatus for reducing near-end crosstalk (NEXT) in discrete multi-tone modulator/demodulators 6678316 01/13/2004
Predictive balanced multiple description coder for data compression 6665646 12/16/2003
Method and system for telephony and high speed data access on a broadband access network 6665299 12/16/2003
Coarticulation method for audio-visual text-to-speech synthesis 6662161 12/09/2003
Method and system for single-sideband optical signal generation and transmission 6661976 12/09/2003
Method and apparatus for personalization of a public multimedia communications terminal 6658254 12/02/2003
Method And Apparatus For Providing High Speed Services Using A Wireless Communications System 6657982 12/02/2003
Method and system for creating dynamic interfaces using a general control container 6654947 11/25/2003
Fiber/wired communication system 6654563 11/25/2003
Audio-visual selection process for the synthesis of photo-realistic talking-head animations 6654018 11/25/2003
Surfing friendly multicasting arrangement 6651089 11/18/2003
System and method for counteracting message filtering 6643686 11/04/2003
Automatic wireless service activation in a private local wireless system 6643504 11/04/2003
Timing recovery for DMT-based DSL modems 6643343 11/04/2003
Efficient precomputation of quality-of-service routes 6633544 10/14/2003
Information Access System And Method For Archiving Web Pages 6625624 09/02/2003
Methods And Systems For Dynamically Managing The Routing Of Information Over An Integrated Global Communication Network 6614765 09/02/2003
Wavelength-Cyclic Communication Network And Wavelength-Cyclic Add/Drop Modules 6614568 09/02/2003
Method And Device For Broadcasting Signals Over A Wavelength-Division Multiplexed Network 6607312 08/19/2003
Method For Preconnecting To A Server On A Network 6606645 08/12/2003
Method For Effective Indexing Of Partially Dynamic Documents 6606639 08/12/2003
Method For Converting Relational Data Into A Structured Document 6604100 08/05/2003
System And Method For Providing Remote Automatic Speech Recognition And Text To Speech Services Via A Packet Network 6604077 08/05/2003
Speech Enhancement With Gain Limitations Based On Speech Activity 6604071 08/05/2003
Flexible synchronization framework for multimedia streams 6602299 08/05/2003
Method For Dynamically Predicting Workflow Completion Times And Workflow Escalations 6601035 07/29/2003
Method And System For Recorded Word Concatenation 6601030 07/29/2003
Database Management System With A Multiple-Level Cache Arrangement 6598119 07/22/2003
Adaptive Modem Connection Lifetimes 6598082 07/22/2003
System And Method For Rewarding Telephone Callers Based On Call Information 6594639 07/15/2003
Systems And Methods For Optimizing Networks Of Weighted And Unweighted Directed Graphs 6587844 07/01/2003
Method For Providing A Compressed Rendition Of A Video Program In A Format Suitable For Electronic Searching And Retrieval 6581070 06/17/2003
Calling Assistance System And Method 6580790 06/17/2003
Method And Apparatus For Facilitating Intra-Premises Voice And Data Distribution Using Existing In-Place POTS Telephone-Lines 6580710 06/17/2003
Method For Cache Validation For Proxy Caches 6578113 06/10/2003
Method For Call Forwarding Without Hairpinning And With Split Billing 6577718 06/10/2003
Map-Based Directory System 6577714 06/10/2003
Long Reach Delivery Of Broadcast Services Using Broadband Optical Sources And Pre-Compensation Of Dispersion 6577422 06/10/2003
Fully Expanded Context-Dependent Networks For Speech Recognition 6574597 06/03/2003
Method For Simulating A Ring Back For A Call Between Parties In Different Communication Networks 6574335 06/03/2003
Network-Based Service For Recipient-Initiated Automatic Repair Of IP Multicast Sessions 6567929 05/20/2003
Method And System For Aligning Natural And Synthetic Video To Speech Synthesis 6567779 05/20/2003
System And Method For Multichannel Communication 6567418 05/13/2003
System, Apparatus And Method For Automatic Address Updating Of Outgoing And Incoming User Messages In A Communications Network 6564264 05/13/2003
Apparatus For Providing Redundant Services Path To Customer Premises Equipment 6556660 04/29/2003
Method And Apparatus For Accomplishing Multiple Description Coding For Video 6556624 04/29/2003
Architecture For Lightweight Signaling In ATM Networks 6556577 04/29/2003
Low-Latency Audio Interface For Packet Telephony 6556560 04/29/2003
Method Of Reducing Delays In Packet Data Transmission 6546009 04/08/2003
Speech enhancement with gain limitations based on speech activity 6542864 04/01/2003
Method For Analyzing Video 6542619 04/01/2003
Method and system for squashing a large data set 6539391 03/25/2003
Automatic Detection Of Non-Stationarity In Speech Signals 6535843 03/18/2003
Pseudo proxy server providing instant overflow capacity to computer networks 6526448 02/25/2003
Reducing calling costs for wireless phones using multiple mobile identification numbers 6526272 02/25/2003
Telephone voice-ringing using a transmitted voice announcement 6519326 02/11/2003
Multiple description lattice vector quantization 6516297 02/04/2003
Synthesis-based pre-selection of suitable units for concatenative speech 6505158 01/07/2003
Method of modeling objects to synthesize three-dimensional, photo-realistic animations 6504546 01/07/2003
Multiple uniquely distinguishable wireless handsets using a single mobile identification number 6501946 12/31/2002
Method and apparatus for remotely controlling telephone call-forwarding 6501838 12/31/2002
Message sender status monitor 6501834 12/31/2002
Network-based service for originator-initiated automatic repair of IP multicast sessions 6501763 12/31/2002
Method and apparatus for communication services on a network 6498797 12/24/2002
Optimizing Restoration Capacity 6498778 12/24/2002
Micro-machined tunable delay line 6498673 12/24/2002
Using smartcards to enable probabilistic transaction on an untrusted device 6496808 12/17/2002
Electronic watermarking in the compressed domain utilizing perceptual coding 6493457 12/10/2002
Update of web audio messages via audio user interface 6493434 12/10/2002
Method and system for providing low-cost high-speed data services 6493335 12/10/2002
Adaptive modem connection lifetimes 6487596 11/26/2002
System and method for allocating requests for objects and managing replicas of objects on a network 6484204 11/19/2002
Method for allocating network resources 6483912 11/19/2002
Method for Tracking Connection of Service Provider Customers via Customer Use Patterns 6483908 11/19/2002
Method for defining MPEP 4 animation parameters for an animation definition interface 6483513 11/19/2002
Method for inferring behavioral characteristics based on a large volume of data 6480844 11/12/2002
Apparatus and method for dialing out of local area telephone calls 6477247 11/05/2002
Generating hypermedia documents from transcriptions of television programs using parallel text alignment 6473778 10/29/2002
Transferring messages in networks made up of subnetworks with different namespaces 6473426 10/29/2002
Method and apparatus to provide enhanced directory assistance information in a communication network 6466910 10/15/2002
Optical transmission system and method using an optical carrier drop/add transceiver 6466342 10/15/2002
Intermittent node resolution for voice and data communication system 6459692 10/01/2002
Systems and methods for determinizing and minimizing a finite state transducer for pattern recognition 6456971 09/24/2002
Method for placing a call intended for an enhanced network user on hold while the enhanced network user is unavailable to take the call using a distributed feature architecture 6456711 09/24/2002
Two stage S--Random interleaver 6453442 09/17/2002
Flash-cut of speech processing features in a telephone call 6453043 09/17/2002
Fair queuing system with adaptive bandwidth redistribution 6452933 09/17/2002
System and method for creation and conversion of electronic mail messages for delivery to telephone recipients 6449343 09/10/2002
Method and apparatus for providing neighborhood cordless services 6445911 09/03/2002
System and method that provides specialized processing of communications based on automatically generated identifiers 6445783 09/03/2002
Micro-machine polarization-state controller 6445485 09/03/2002
Messaging system with application-defined states 6442546 08/27/2002
Method for transferring money 6439456 08/27/2002
Declarative message addressing 6438608 08/20/2002
Method and apparatus for managing congestion within an internetwork using window adaptation