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精品文档 精品文档 Building Mobile Messaging Applications with SMS Dr. Ron Vetter, PhD Department of Computer Science UNC Wilmington Outline History of Mobile Development at UNCW Definitions and Terms Comparison of Mobile Application Development Models and Cost The Short Message Service (or SMS) Mobile Education, LLC Questions 精品文档 History of Mobile Development at UNCW 1999: Wireless Network Rollout 2000: Project Numina Focus on handheld computers and science/math Applications: SRS and GraphData See web site - /numina/ 2001-2003: Move to Pocket PCs 2004-2006: NSF funded “Virtual Learning Communities” Project (Tablet PCs) 2005-Present: Move to Mobile Phones 精品文档 Mobile Phone Facts In 1995, roughly 13 percent of the U.S. population had cell phones. By 2006, it was 76 percent. Today, there are approximately 229 million cellular subscribers in the U.S. Wireless services generate more than $113 billion in revenues annually. Source: /media/industry_info/index.cfm/AID/10323 精品文档 Definitions and Terms WAP – Wireless Application Protocol SMS – Short Message Service SMSC – Short Message Service Center CSC – Common Short Code Let’s look at each of these items in turn. 精品文档 WAP Many phones have browsers that are like small versions of desktop web browsers. Phone browsers are designed to display WAP which is similar to HTML but much simpler. WAP is the de-facto world standard for the presentation and delivery of wireless information and telephony services on mobile phones. Standard web servers can serve WAP as well as HTML. 精品文档 UNCW WAP Applications 1. CORMP: live weather and ocean data from buoys The screen at the right shows links to all of the buoys. 精品文档 CORMP WAP Application Selecting a link shows the current conditions at that buoy. 精品文档 UNCW WAP Applications 2. UNCW Directory 3. RSS News Feeds BOTTOM LINE: If it is available online, then we can make it available through WAP. 精品文档 UNCW Java Applications Installing a Java application on a phone is easier than installing a