The 3G IP Multimedia Subsystem (IMS): Merging the Internet and the Cellular Worlds, 3rd Edition

Gonzalo Camarillo has extensive industry experience in IP technologies through his role as a systems expert for Ericsson from 1998 to 2001 in Sweden and Finland. He then spent a year as a researcher at Columbia University before returning to Ericsson as a Senior Expert in 2002 where he has worked ever since.

Miguel A. Garcia-Martin has industry experience also working for Ericsson in Spain, England and Finland before transferring to Nokia where he is currently a Senior Systems Expert.