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The decline in service revenues from PSTN sectors came due to growing dependency on mobile devices and broadband connectivity, as well as regulatory-mandated cuts in tariffs.
Mobile voice is the largest revenue generator, with approximately 50% of the total market value and $6 billion collected. It is expected to be the main revenue generator over the next five years, but business size is forecast to shrink to $5.6 billion by 2016, as a result of declining effective call rates.
Data-based services are expected to grow at a CAGR of 15.3%, 16.3%, 6.6% and 3.5% over the forecast period, driving the market in a positive direction.
