Recently, domestic interest about wireless internet is rising gradually. Technologies about new mobile communication equipment or wireless contents are presented and displayed constantly through news or other various medias.
Characteristic of present domestic wireless market is that mobile communication businessmans appropriate each other different mobile platform.
So, contents provider's development environment can not be same each other. This makes contents providers repeat same work. Also, it is hard that user freely uses contents that the different mobile communication company offers. To solve this problem, standardization work of wireless internet market was begun. The three mobile communication companies and TTA (Telecommunications Technology Association), RRU(Radio Research Laboratory), ETRI(Electronics and Telecommunications Research Institute) progressed standardization. By the result, May 2002, WIPI(Wireless Internet Platform for Interoperability) that is wireless standard platform selected by mobile platform standard that is TTA organization standard.
In this paper, I am going to examine the WIPI. WIPI can reduce mostly expense that happen when we use different platform. And, in this paper, I am going to discuss convenience in chatting service between cellular phones. For this, I design and embody common use phrase function. Through this, I am going to show improvement of the character input speed in cellular phone. And I wish to discuss expected cost decrease effect. Investigate about platform of treatise that is used in domestic. analyze about the characteristic, merits and demerits. Chatting system and common phrase function design and embody. Finally, wish to discuss about advantage of common use phrase function and practical use field.