Web service based platform for Mobile business

Mobile business services are a very good solution, for a great number of economic or government agents, to offer their products to a great number of potential clients. The efficiency of using and providing of these services can increase significantly, because the user can access them from anywhere and anytime. In this paper a client server platform for a stock market exchange service is presented. The electronic content provider for the service is the Romanian Bucharest Stock Exchange. The data is delivered to the client using a web service, and socket to socket communications, which significantly reduces the data traffic, comparing with the WEB browsing. The client software applications are suitable for PDA and Smartphones target devices, with Windows Mobile and Symbian operating systems.