35 years working in the commercial area, managing and administering large corporate accounts of national and multinational companies, especially in the development of promotional products. In the last 15 years I have been working in IT, information security and IP telephony; creating and developing customized telephony applications for companies of all sizes, especially active call centers. CRM systems, IP PBX, Information Security, Firewall, development in PHP, Linux and Asterisk complete my most recent performance. Automatic dialer systems, telephony at home office, CRM for consignment sales companies, are part of my daily life.