Company Filing History:
Years Active: 2014-2015
Title: Christopher Edward Prest: Innovator in Mobile Communication Technology
Introduction
Christopher Edward Prest is a notable inventor based in Waterloo, Canada. He has made significant contributions to the field of mobile communication technology, holding 2 patents that enhance the functionality and reliability of mobile devices.
Latest Patents
One of his latest patents is titled "System, apparatus and method for establishing a call from a mobile device." This invention provides a method for initiating a voice call from a mobile device by determining an expiration time based on a synchronized time reference with a mobile call server. The mobile device transmits a session initiation protocol (SIP) call initiation request, including a destination number and the expiration time. If a response is not received before the expiration time, a second call initiation request is sent to a secondary contact number, ensuring reliable call establishment even when the first attempt fails.
Another significant patent is the "Method, system and apparatus for managing call handoff." This invention allows a mobile device engaged in a first media session to determine when a second transport is available. A reflected media session is established, and the quality of this session is evaluated based on call transport data. If the quality meets a certain threshold, a call handover is requested, ensuring seamless communication.
Career Highlights
Christopher Prest is currently employed at BlackBerry Corporation, where he continues to innovate in mobile technology. His work focuses on improving user experience and call reliability in mobile communications.
Collaborations
He has collaborated with notable coworkers, including Ximing Zeng and Michael Elizarov, contributing to advancements in mobile technology.
Conclusion
Christopher Edward Prest is a key figure in the realm of mobile communication, with patents that significantly enhance the reliability and efficiency of mobile calls. His contributions at BlackBerry Corporation reflect his commitment to innovation in this vital field.