- Architecture for a central office using IP technology, US 6954454 B1, October 2005
Michael S. Borella, David A. Grabelsky, Jacek A. Grabiec, Thomas J. Kostas, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - System and method for advertising using data network telephone connections, US 6937699 B1, August 2005
Frederick D. Dean, Jacek A. Grabiec, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - System and method for performing messaging services using a data communications channel in a data network telephone system, US 6870830 B1, March 2005
Ikhlaq S. Sidhu, Andrew Bezaitis, Thomas Gentles, Guido M. Schuster - System and method for enabling encryption/authentication of a telephony network, US 6857072 B1, February 2005
Jacek A. Grabiec, Ikhlaq S. Sidhu, Sagan S. Sidhu, Guido M. Schuster - Proximity-based registration on a data network telephony system,
US 6857021 B1, February 2005
Jacek A. Grabiec, Ikhlaq S. Sidhu, Sagan S. Sidhu, Guido M. Schuster - System and method for providing service provider configurations for telephones using a central server in a data network telephony system, US 6856616 B1, February 2005
Andrew Bezaitis, Thomas Gentles, Ikhlaq S. Sidhu, Guido M. Schuster
- Distributed network address translation for a network telephony system, US 6822957 B1, November 2004
Michael S. Borella, David A. Grabelsky, Ikhlaq S. Sidhu, Guido M. Schuster - System and method for providing telephone service having private branch exchange features in a voice-over-data network telephony system, US 6804224 B1, Oktober 2004
Frederick D. Dean, Jacek A. Grabiec, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - System and method for associating notes with a portable information device on a network telephony call, US 6795429 B1, September 2004
Ronnen Belkind, Jacek A. Grabiec, Ikhlaq S. Sidhu, Guido M. Schuster - Method and system for forward error correction with different frame sizes, US 6785261 B1, August 2004
Michael S. Borella, Thomas J. Kostas, Ikhlaq S. Sidhu, Guido M. Schuster - Method and system for forward error correction based on parallel streams, US 6771674 B1, August 2004
Michael S. Borella, Jacek A. Grabiec, Ikhlaq S. Sidhu, Guido M. Schuster - System and method for providing user-configured telephone service in a data network telephony system, US 6744759 B1, June 2004
Andrew Bezaitis, Frederick D. Dean, Ikhlaq S. Sidhu, Guido M. Schuster - System and method for sharing computer screens over a telephony network, US 6741586 B1, May 2004
Frederick D. Dean, Jacek A. Grabiec, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - Method and apparatus for L2TP forward error correction, US 6732314 B1, May 2004
Michael S. Borella, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido Schuster - Internet telephony using network address translation, US 6731642 B1, May 2004
Nurettin B. Beser, Michael S. Borella, Ikhlaq S. Sidhu, Guido M. Schuster - Flexible dial plan for a data network telephony system, US 6731630 B1, May 2004
Andrew Bezaitis, Frederick D. Dean, Jacek A. Grabiec, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - System and method for interconnecting portable information devices through a network based telecommunication system, US 6681252 B1, January 2004
Ronnen Belkind, Frederick D. Dean, Ikhlaq S. Sidhu, Guido M. Schuster - Method and system for monitoring and management of the performance of real-time networks, US 6678250 B1, January 2004
David A. Grabelsky, Jacek A. Grabiec, Ikhlaq S. Sidhu, Guido M. Schuster - System for user-space network packet modification, US 6675218 B1, January 2004
Michael S. Borella, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - Method and system for mapping phone numbers to IP addresses, US 6674745 B1, January 2004
Jacek A. Grabiec, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster
- Method and system for facilitating increased call traffic by reducing signaling load in an emergency mode, US 6650619 B1, November 2003
David A. Grabelsky, Thomas J. Kostas, Ikhlaq S. Sidhu, Guido M. Schuster - Method and system for facilitating increased call traffic by switching to a low bandwidth encoder in a public emergency mode, US 6625119 B1,, September 2003
David A. Grabelsky, Thomas J. Kostas, Ikhlaq S. Sidhu, Guido M. Schuster - System and method for providing call-handling services on a data network telephone system, US 6584490 B1, June 2003
Ismail Dalgic, Frederick D. Dean, Jacek A. Grabiec, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - System and method for using a portable information device to establish a conference call on a telephony network, US 06577622, June 2003
Ronnen Belkind, Ikhlaq S. Sidhu, Sagan S. Sidhu, Guido M. Schuster - Method and apparatus for controlling transmission of media signals over a data network in response to triggering events at participating stations, US 6570606 B1, May 2003
Thomas Kostas, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - Hi-fidelity line card, US 6567399 B1, May 2003
Jacek A. Grabiec, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - Method and apparatus for adaptive prioritization of multiple information types in highly congested communication devices, US 6535486 B1, March 2003
tanley T. Naudus, Chester Szczepucha, Guido M. Schuster - System for adjusting billing for real-time media transmissions based on delay, US 6512761 B1, January 2003
Michael S. Borella, Jacek A. Grabiec, Ikhlaq S. Sidhu, Guido M. Schuster
- Method and apparatus for real time communication over switched networks, US 6487603 B1, November 2002
Ikhlaq S. Sidhu, Guido M. Schuster - System and method for communicating real-time facsimiles over data networks, US 6483600 B1, November 2002
Sean Fendt, Richard G. McCallister, Guido M. Schuster - System and method for providing user mobility services on a telephony network, US 6446127 B1, September 2002
Ismail Dalgic, Frederick D. Dean, Jacek A. Grabiec, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - System for real time communication buffer management, US 6434606 B1, August 2002
Michael S. Borella, Thomas J. Kostas, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - Method and apparatus for real time communication system buffer size and error correction coding selection, US 6366959 B1, April 2002
James M. Kroll, Ikhlaq S. Sidhu, Guido M. Schuster - Method and apparatus for measurement-based conformance testing of service level agreements in networks, US 6363053 B1, March 2002
Michael S. Borella, Jacek A. Grabiec, Ikhlaq S. Sidhu, Guido M. Schuster - System for dynamic jitter buffer management based on synchronized clocks, US 6360271 B1, March 2002
Michael S. Borella, Jacek A. Grabiec, Ikhlaq S. Sidhu, Guido M. Schuster - Toll saving method and apparatus for a remote access system, US 6351524 B1, February 2002
Michael S. Borella, Jacek A. Grabiec, Ikhlaq S. Sidhu, Guido M. Schuster
- System and method for accessing radio programs using a data network telephone in a network based telecommunication system, WO 2001065822 A2, September 2001
Andrew Bezaitis, Frederick D. Dean, Ikhlaq S. Sidhu, Guido M. Schuster - Protocol and method for peer network device discovery, US 6269099 B1, July 2001
Michael S. Borella, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - Proportional-integral-derivative controller having adaptive control capability, US 6264111 B1, July 2001
John C. Nicolson, Guido M. Schuster - Forward error correction system for packet based data and real time media, using cross-wise parity calculation, US 6243846 B1, June 2001
Michael S. Borella, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - Methods for determining sendable information content based on a determined network latency, US 6182125 B1, January 2001
Michael S. Borella, Jacek A. Grabiec, Ikhlaq S. Sidhu, Guido M. Schuster - Method and apparatus for real time communication over packet networks, US 6175871 B1, January 2001
Ikhlaq S. Sidhu, Guido M. Schuster - Data and real-time media communication over a lossy network, US 6170075 B1, January 2001
Michael S. Borella, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster
- Forward error correction system for packet based real time media, US 6145109 A, November 2000
Michael S. Borella, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster - Data and media communication through a lossy channel using signal conversion, US 6151636 A, November 2000
Michael S. Borella, Jerry J. Mahler, Ikhlaq S. Sidhu, Guido M. Schuster
- Method and device for optimal bit allocation between different sources of information in digital video compression, US 5778192 A, July 1998
Mark R. Banham, James C. Brailean, Aggelos K. Katsaggelos, Guido M. Schuster - Method, device and microprocessor for selectively compressing video frames of a motion compensated prediction-based video codec, US 5764921 A, June 1998
Mark R. Banham, James C. Brailean, Aggelos K. Katsaggelos, Stephen N. Levine, Guido M. Schuster
