António Vargas is a Microsoft Certified Solutions Master in Exchange 2013 with 15 years of experience as a Microsoft consultant, designing and deploying large-scale projects for customers across all industry sectors. The main focus of his Microsoft projects is on the Unified Communications portfolio, more specifically on Microsoft Exchange, Microsoft Office 365, and Microsoft Lync. Currently, Antonio works for Intercall EMEA, based in the United Kingdom, as a Microsoft Unified Communications architect, planning, designing, and delivering migrations and greenfield deployments of Microsoft Exchange and Microsoft Office 365 environments. Most of his work also includes configuring all levels of integration between Microsoft Lync and Microsoft Exchange, on premises or on Office 365.