Current software platforms on mobile phone

Recently mobile phones are being demanded to provide quickly not only voice service and SMS, but also various services such as multimedia applications and wireless internet applications, executing them concurrently without any technical problems. Such demands cause software requirements to exceed the capabilities of the legacy software platform used in mobile phones. This motivates manufacturers of mobile phones to find a more efficient software platform for building next generation communications infrastructure and mobile and wireless devices. In this paper, we describe several software platforms used in mobile phones today. We also present their respective features from the point of view of product development. This paper provides the direction the software platform for handsets should move.