International Carrier Sales & Solutions (ICSS) is one of the world's leading carriers and an innovation driver for IP-based solutions. ICSS serves the international wholesale requirements of the DT Group with its international affiliates and more than 900 external customers worldwide. One of the units’ core competencies is to focus on building business partnerships around the globe. With years of experience in the international wholesale communication market, ICSS has the expertise to provide clients with tailor-made solutions. The cutting-edge offerings of ICSS include the following business segments: Internet & Transport, Mobile World, Carrier Enterprise Services, Global Voice.