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Free Shipping to all UK customers for orders over £25.00
Free Shipping to all UK customers for orders over £25.00
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£ 132.29
Offers a SWOT analysis of PSTN/GSM operators that are facing such threats as internet communities, unlicensed spectrum, and low ARPU markets. This book summarizes the NGN standardization bodies and addresses the role of rating, promotions, and campaigns in stimulating revenue, evaluating the effectiveness of usage-based charges.