While early implementations targeted messages person-to-person, MMS has now evolved to facilitate the mass message delivery requirements such as time-sensitive messages for content-to-person. The author provides a basic technical background required for SMS, EMS and MMS, and supports the development of the industry with cutting-edge. Contains sections on the basics of MMS, including the updated on GPRS to explain current commercial implementations such as GRX applications. Presenting the latest developments in MMS standardization, including the design of synchronized multimedia integration language (SMIL) presentations, Digital Rights Management (DRM), transcoding techniques, postcard service and support of advanced multimedia formats. Provides updated sections SMS, EMS and highly revised scope development in MMS, including MMS interworking and the MMS version 1.3 that will come. These resources will be invaluable for application developers, manufacturers, operators and content providers involved in the design and deployment service message. Includes a companion website featuring information on relevant standards, available phones and developers?