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Multimedia Messaging Service

abbr. MMS

A technology for transmitting not only text messages, but also various kinds of multimedia content (e.g. images, audio, and/or video clips) over wireless telecommunications networks using the Wireless Application Protocol (WAP). It is standardized by 3GPP and 3GPP2. MMS is the evolution of Short Message Service (SMS). With MMS, a mobile device is no longer confined to text-only messages. It can send and receive multimedia messages such as graphics, video and audio clips, and so on. It has been designed to work with mobile packet data services such as GPRS and CDMA 2000 1x.