| Summary: | Today, tele-conference technology has been widely used in various areas, especially in the business domain; a number of software applications have been developed based on this technology. However, most of these applications are designed for enterprise use. As a pioneer in the mobile communication field, Ericsson AB decided to develop a mobile application prototype, named Ericsson Geo Chat system (EGCS), which can be used on any java-supported mobile phones and the main purpose of this product is for entertainment. The entire project was divided into two individual development phases. As a sub-project, this report only developed and implemented the first phase. During this phase, EGCS implemented the chat functionality by sending text messages. The map was added to the chatting system with more visual feedbacks. EGCS also allowed creating visual chat rooms as a red square that can be located and displayed on the map. By using the navigation tool, only one chatting room can be selected. The actual location of the user was traced by the Global Position System (GPS). As soon as the user enter the room, they can start the text message chatting. In this report, the theoretical frameworks, the train of thought of the system design, the overview of the development process, and the testing of prototype are described.
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