Telecommunications Background Sunrise is the largest private telecommunications provider in Switzer- land with company locations in Zurich, Bern, Biel-Bienne and Renens. 2.94 million customers use Sunrise services in the fields of mobile telephony, fixed network and internet. Business Sunrise offers business customers tailor-made communications solutions. The mobile phone network, which is based on GSM, EDGE, UMTS and HSDPA, provides over 9

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