The following people contributed their writing, code, and inspiration to VoIP Hacks:
Brian Degenhardt
Brian's experience in the high-tech industry includes work in such diverse areas as network engineering, online media delivery, and console game development. Currently he serves as CTO of Four Loop Technologies, maker of the Switchvox PBX. Brian has contributed to numerous open source projects, including the GIMP and the Squid web proxy cache. He currently resides in sunny San Diego with his wife Tristan.
Kristian Kielhofner
Kristian is president of KrisCompanies (http://www.kriscompanies.com/), a consulting firm based in Lake Geneva, Wisconsin, and creator of AstLinux, a Linux distro configured specifically for Asterisk that features a very small footprint. Kristian has been working with Linux professionally for more than five years, since he began doing Linux system administration at the age of 16. Kristian started KrisCompanies in 2004 to help local businesses with their technology needs. In addition to creating AstLinux, he has also been involved with AstShape and Polycom configuration files.
Andrew Latham
Andrew is a networking consultant who offers VoIP, IP networking, and web development expertise via his web site, http://www.lathama.com/.
Dave Mabe
Dave (http://dave.runningland.com/)is an accomplished and largely self taught engineer and writer who strives to create simple, elegant solutions to complex problems. Dave has worked at AT&T in the communications industry for eight years. Always looking to save a few keystrokes and mouse clicks, he is the kind of person who would rather spend several hours inventing an automated solution than spend a few monotonous moments each day performing a menial task. Dave has been using Asterisk and other VoIP solutions for two years. He is the author of BlackBerry Hacks (O'Reilly).
Joel Sisko
Joel has been a self-proclaimed network convergence professional since 1992. He is the founder and CEO of Convergence Center LLC, a company focused on delivering the next generation of convergence-based applications and communications systems for value-added voice and data resellers.