A technical visit to the headquarters of the cellular operator COSMOTE in Thessaloniki, took place on 15 December 2009. The visitors will be a group of 20 students of the Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, under the supervision of Prof. Niovi Pavlidou. The aim of the visit was to help students to link their knowledge on wireless communications to the business perspectives in the field.