UAE-based telecom company du has been selected as the exclusive mobile and BlackBerry smart phone provider for Dubai Municipality. Under the deal, du will provide the 4000 Dubai Municipality employees with its Premier Plan, a business mobile monthly plan that offers features such as Pay-by-the-Second billing system, free calls between all employees that subscribe to the offer, and one discounted rate to all major international destinations and one rate on all incoming calls while roaming in major international destinations with du's 'One World One Rate' offer.