IMS and the Next Generation of Mobile Networks

by Naser Partovi & Amnon Ptashek SPIE Newsroom, accessed 13 Jun 2006 Most cellular networks are based on 2G (second generation) or 2.5G technology. However, carriers around the world are upgrading to third generation (3G) wideband code-division multiple access and universal mobile telecommunications system to support multimedia services such as music and video downloads. To this end they are keeping close watch on a new addition to 3G technology: the IP multimedia subsystem. Read more