RTEL is a leading Greek Information and Communication Technologies service provider and software-systems developer. Its expertise covers solutions for the hospitality, business, health and public sectors. The company was established in 1993 and the headquarters are based on the Island of Rhodes, Greece our Sales department is located in Athens, Greece. It is certified with a DIN EN ISO 9001:2008 certificate and is a Cisco Advanced Wireless specialized Partner. RTEL designs, develops and supports ICT solutions using state-of-the art technology and there is expertise in advanced wired and wireless technology, unified communications, databases, management systems, e-business, e-collaboration, security etc. RTEL has acquired significant know-how and expertise in the development and management of complex projects through its frequent participation in national and international R&D ICT projects, in many of which it acts as the coordinating company with many partners from different sectors and countries. These projects are usually co-funded by the European Union under the FP6/FP7 Programmes, the Ambient Assisted Living Joint Programme, the Greek General Secretariat of Research and Economy, the Greek Ministry of Development and other organizations. Through the cooperation in several research activities, RTEL has established close relations with leading organizations in service provision and ICT worldwide, as well as with major public and / or academic institutions and research centres in Europe.