The 3G IP Multimedia Subsystem (IMS): Merging the Internet and the Cellular Worlds - Tapa dura

..".a great starting point for those readers who want to learn the IMS and explore it further." (E-STREAMS, September 2005)

Gonzalo Camarillo leads the Advanced Signalling Research Laboratory of Ericsson in Helsinki, Finland. He is an active participant in the IETF, where he has authored and co-authored several specifications used in the IMS. In particular, he is a co-author of the main SIP specification, RFC 3261. In addition, he co-chairs the IEFT SIPPING working group, which handles the requirements from 3GPP and 3GPP2 related to SIP, and the IETF HIP (Host Identity Protocol) working group, which deals with lower-layer mobility and security. He is the Ericsson representative in the SIP Forum and is a regular speaker at different industry conferences. During his stay as a visitor researcher at Columbia University in New York, USA, he published a book entitled "SIP Demystified." Gonzalo received an M.Sc. degree in Electrical Engineering from Universidad Politecnica de Madrid, Spain, and another M.Sc. degree (also in Electrical Engineering) from the Royal Institute of Technology in Stockholm, Sweden. He is currently continuing his studies as a Ph.D. candidate at Helsinki University of Technology, in Finland. Miguel A. Garcia-Martin is a Senior Expert in IP Multimedia technologies at Ericsson in Helsinki, Finland. He is an active participant of both IETF and 3GPP. In the IETF, he has authored and co-authored several specifications related to the IMS. In 3Gpp, he has been a key contributor to the development of the IMS standard. Miguel is also a regular speaker at different industry conferences. Miguel received a B. Eng. Degree in Telecommunications Engineering from Universidad de Valladolid, Spain.