NEW YORK--(BUSINESS WIRE)--Sophisticated systems based on IP telephone networks in hotels will increasingly enable a range of new services aimed at improving customer service in hotels and resorts. Although worldwide revenue from such systems totaled only $869 million in 2008, by the end of 2014 annual earnings will exceed $2 billion. These systems will eventually penetrate mid-range hotels, but in the initial period will be found mainly in the top-tier of properties catering to those willing to
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