Location History:
- Boca Raton, FL (US) (2008)
- Amherst, NH (US) (2009 - 2021)
Company Filing History:
2 out of 260 
2 out of 2,232 
Years Active: 2008-2021
Title: The Innovative Contributions of Derek J Underwood
Introduction
Derek J Underwood is a notable inventor based in Boca Raton, FL (US). He has made significant contributions to the field of telecommunications, particularly in lawful interception technologies. With a total of 4 patents to his name, Underwood's work has advanced the capabilities of communication systems.
Latest Patents
Among his latest patents, Underwood has developed methods and apparatuses for correlating intercept related information with call content. This innovation provides systems, methods, and apparatuses for correlating intercept related information (IRI) with call content (CC) for S8HR lawful interception. The method includes generating a correlation identifier at a network entity and delivering a session initiation protocol message that includes this identifier to another network entity.
Another significant patent focuses on interception for encrypted, transcoded media. This invention relates to lawful interception of communications for IP Multimedia System-based (IMS-based) voice over IP (VoIP). The method involves identifying a network node that provides call content interception and determining the codec type used at the location of the call content interception. It further includes sending a matched codec of the codec type to a delivery function in the communications network.
Career Highlights
Derek J Underwood has worked with prominent companies in the telecommunications industry, including Nokia Siemens Networks GmbH & Co. KG and Nokia Solutions and Networks Oy. His experience in these organizations has contributed to his expertise in developing innovative solutions for communication technologies.
Collaborations
Underwood has collaborated with notable professionals in his field, including Nagaraja Rao and Curt C Wong. These collaborations have likely enriched his work and contributed to the advancements in his patented technologies.
Conclusion
Derek J Underwood's contributions to telecommunications through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence the field, paving the way for future advancements in lawful interception technologies.