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Thomas Kostas Phones & Addresses

  • Oak Park, IL
  • Chicago, IL
  • 2722 Blue Grass Ct, Round Lake Park, IL 60030 (847) 543-9446
  • Grayslake, IL
  • 2722 Blue Grass Ct, Grayslake, IL 60030 (847) 343-7129

Work

Position: Food Preparation and Serving Related Occupations

Education

Degree: High school graduate or higher

Publications

Us Patents

Method And Apparatus For Controlling Transmission Of Media Signals Over A Data Network In Response To Triggering Events At Participating Stations

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US Patent:
6570606, May 27, 2003
Filed:
May 29, 1998
Appl. No.:
09/087155
Inventors:
Ikhlaq Sidhu - Buffalo Grove IL
Guido M. Schuster - Des Plaines IL
Jerry Mahler - Prospect Heights IL
Thomas Kostas - Evanston IL
Assignee:
3Com Corporation - Santa Clara CA
International Classification:
H04N 714
US Classification:
348 141, 709204, 725 60
Abstract:
A method and apparatus for controlling the transmission of real-time media signals over a data network based on a triggering event associated with a participating teleconference station. This triggering event may be the presence or absence of motion, the presence or absence of sound, or any of a variety of other events that preferably indicate the presence or absence of a person at the station. When no person is present at the station and/or when an appropriate triggering event occurs, remote teleconference participants will not transmit media signals over the network to the station, thereby conserving valuable network bandwidth and simulating a physically common meeting between people. In turn, when a person is present at the station and/or when another appropriate triggering event occurs, remote teleconference participants may start transmitting media signals over the network to the station. Additionally, a station may control its own transmission of media signals to remote stations in response to local triggering events, thus further conserving network resources.

Method And System For Facilitating Increased Call Traffic By Switching To A Low Bandwidth Encoder In A Public Emergency Mode

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US Patent:
6625119, Sep 23, 2003
Filed:
Mar 17, 1999
Appl. No.:
09/270968
Inventors:
Guido M. Schuster - Des Plaines IL
Ikhlaq S. Sidhu - Vernon Hills IL
Thomas J. Kostas - Evanston IL
David A. Grabelsky - Skokie IL
Assignee:
3Com Corporation - Santa Clara CA
International Classification:
H04L 1226
US Classification:
370230, 370468
Abstract:
A method and apparatus for increasing call capacity in a packet switched telephony system in an emergency mode. The telephony system includes a management system, which detects an emergency, such as a surge in incoming media streams, a surge in traffic elsewhere in the system, a potential surge in traffic, and/or a convention emergency situation such as a natural disaster that may cause a surge in traffic. The management system alerts an internet telephony machine, such as a gateway, to the congestion problem. The internet telephony machine responds by switching to a lower bandwidth coder, thereby outputting each incoming media stream at a lower output rate, and thereby effectively increasing the capacity of the receive and handle calls.

Method And System For Facilitating Increased Call Traffic By Reducing Signaling Load In An Emergency Mode

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US Patent:
6650619, Nov 18, 2003
Filed:
Mar 17, 1999
Appl. No.:
09/270969
Inventors:
Guido M. Schuster - Des Plaines IL
Ikhlaq S. Sidhu - Vernon Hills IL
Thomas J. Kostas - Evanston IL
David A. Grabelsky - Skokie IL
Assignee:
UTStarcom Incorporated - Alameda CA
International Classification:
H04L 1226
US Classification:
370230
Abstract:
A system for increasing call capacity of an internet telephony system in an emergency mode, such as where there is a surge of call requests in a particular region. A management system in the internet telephony system may detect the presence of an actual or potential state of congestion of call traffic and/or signaling traffic. In order to admit a higher rate of call traffic to the telephony system, action is taken to reduce the workload of the signaling system, in order to allow the telephony system to focus more on serving call requests. For example, the signaling system may reduce the rate of signaling request messages processed with respect to requested and ongoing calls and/or reduce the amount of processing involved in handling such messages.

Method And System For Forward Error Correction With Different Frame Sizes

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US Patent:
6785261, Aug 31, 2004
Filed:
May 28, 1999
Appl. No.:
09/322816
Inventors:
Guido M. Schuster - Des Plaines IL
Ikhlaq S. Sidhu - Vernon Hills IL
Michael S. Borella - Naperville IL
Thomas J. Kostas - Evanston IL
Assignee:
3Com Corporation - Marlborough MA
International Classification:
H04L 1266
US Classification:
370352, 370394, 370400, 704200
Abstract:
A mechanism for recovering data associated with lost packets, suitable for use in a VoIP network. The telecommunications network is preferably a packet switched network having IP telephony gateways serving as interfaces between a telephone device and the IP network. The IP telephony gateway receives a conversation signal from the telephone device, and implements an improved forward error correction method. The method includes generating payload information defined by at least two packet sequences from the same audio information, and transmitting those two packet sequences on the IP network for receipt by a remote network device. The packet sequences are transmitted using RTP with two independent data streams or, alternatively, using a single data stream. The first and second data streams are data packet streams each defining a sequence of data packets. The first data stream is preferably formed using a G.

Architecture For A Central Office Using Ip Technology

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US Patent:
6954454, Oct 11, 2005
Filed:
May 3, 1999
Appl. No.:
09/303514
Inventors:
Guido M. Schuster - Des Plaines IL,
Ikhlaq S. Sidhu - Vernon Hills IL,
Jerry J. Mahler - Prospect Heights IL,
David Grabelsky - Skokie IL,
Jacek A. Grabiec - Chicago IL,
Thomas J. Kostas - Evanston IL,
Michael S. Borella - Naperville IL,
Assignee:
UT Starcom, Inc. - Alameda CA
International Classification:
H04L012/66
US Classification:
370352, 370356
Abstract:
A telephony system and method having a switch for analog voice and data signals that is connected to a first network, and a router for routing Internet Protocol packets that is connected to a second network using Internet Protocol addressing. The telephony system and method also includes a telephony gateway that is connected to both the switch and the router for converting analog voice signals into Internet Protocol packets and for converting Internet Protocol packets into analog voice signals, the telephony gateway being connected, and a remote access server that is connected to both the switch and the router for converting analog data signals into Internet Protocol packets and for converting Internet Protocol packets into analog data signals. The switch may have a switch matrix capable of being connected to the Public Switched Telephone Network, a line rack with a plurality of line cards connected to the switch matrix, and a trunk rack with a plurality of trunk cards connected to the switch matrix. The switch matrix may also be connected to the telephony gateway and the remote access server.

System For Real Time Communication Buffer Management

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US Patent:
6434606, Aug 13, 2002
Filed:
May 28, 1999
Appl. No.:
09/322561
Inventors:
Michael S. Borella - Naperville IL
Ikhlaq S. Sidhu - Vernon Hills IL
Guido M. Schuster - Des Plaines IL
Jerry J. Mahler - Prospect Heights IL
Thomas J. Kostas - Evanston IL
Assignee:
3Com Corporation - Santa Clara CA
International Classification:
G06F 1300
US Classification:
709214, 709231, 711148
Abstract:
A system and method for receiving a transported stream of data packets includes a buffer management device for receiving the data packets, unpacking the data packets, and forwarding a stream of data frames. The system and method further includes a first jitter buffer for receiving the data frames from the buffer management device and buffering the data frames, and a second jitter buffer for receiving the data frames from the buffer management device and buffering the data frames. In addition, the system and method includes a computationally-desirable jitter buffer selected from the first jitter buffer or the second jitter buffer by comparing a first jitter buffer quality and a second jitter buffer quality. The system and method also includes a decoder for receiving buffered data frames from the computationally-desirable jitter buffer.
Thomas Kostas from Oak Park, IL, age ~95 Get Report