The Collaboration Communications Systems Engineer Associate MS-721 course develops the skills required to plan, design, deploy, configure, manage, maintain, and troubleshoot Microsoft Teams collaboration communications systems. The course covers Teams meetings, webinars, town halls, Teams Phone, PSTN connectivity, Teams Rooms, certified devices, BYOD spaces, bookable desks, Microsoft Places, network optimization, and troubleshooting. Learners work with the Microsoft Teams admin center, Teams Rooms Pro Management portal, PowerShell, and Call Quality Dashboard.