Indonesia is the fastest-growing mobile-telephone market in the Asia-Pacific region. The number of mobile users has grown at double-digit rates during the past few years. Mobile-phone operators in Indonesia are planning to invest some US$1 billion this year to expand their networks to meet the surge in demand. Foreign expertise, capital and technology are needed to make the underdeveloped industry competitive. This report details APRG's latest five-year projections for mobile voice and mobile data market in Indonesia, with research providing an analysis of market developments that are driving the growth of mobile voice and services. Market share data with subscriber projections to 2007 are provided.