The Wireless Messaging API (WMA) 2.0, defined in JSR-205, is a set of optional APIs for wireless messaging. WMA connectivity is based on the Generic Connection Framework, which is the basis of all communication in CLDC-based Java ME architectures. WMA 2.0 is backward compatible with WMA 1.1, and WMA 2.0 adds support for sending and receiving multimedia messages. In other words, the Wireless Messaging API provides a high-level abstraction of wireless communication. It hides the transport layer completely, so all one has to do is create messages, send them, and receive them. The WMA enables text messaging, cell broadcasting, and multimedia messaging. Text messaging is fairly simple and most people these days know what it is.
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