GTT - Milan MIL-CAL Data Center is located at Via Caldera 21, Building C, 20153, Milan, Italy. Sales 877-406-2248. GTT owns the largest Next Generation Network covering the European Union, from London to Warsaw, from Stockholm to Sicily and beyond into the Continent's emerging economies, including Turkey, with nine subsea landing stations ringing the edge of Europe. To the West, the network links to North America's major telecoms hub. To the East, the network connects the Middle East to Europe through Dubai. In the South, Africa from Cape Town to Tunis connects directly to Europe through GTT. Supported by 60,000 kilometres of fiber, 21 metropolitan area networks, 10 data centers and 31 colocation centers with local operations in the 26 largest cities of Europe, we serve customers in the 15 major languages of the European Union. GTT provides a single platform for Information Technology services, which we call Unified ICT. Connectivity, Communication and Computing services are integrated on a single infrastructure that reduces cost and optimizes security, performance and efficiency.