IMS Multimedia Telephony over Cellular Systems : VoIP Evolution in a Converged Telecommunication World, Hardcover by Chakraborty, Shyam (EDT); Peisa, Janne; Frankkila, Tomas; Synnergren, Per, ISBN 0470058552, ISBN-13 9780470058558, Like New Used, Free shipping in the US

Chakraborty et al. (Ericsson Research, Finland and Sweden) offer a comprehensive overview of the multimedia telephony service that will enable enriched telephony for mobile users. They argue that multimedia telephony can surpass the legacy CS telephony service in capacity and quality when using the WCDMA HSPA air interface. They describe how it works, performance requirements, the architecture of the IMS system, session control, media flow, security components and mechanisms, system performance, and related services. The intended audience is engineers, designers, researchers, managers, telecommunications companies, and those at universities. Annotation ©2007 Book News, Inc., Portland, OR ()