About This Study Plan
This 7-day study plan breaks the MS-721 (Collaboration Communications Systems Engineer) exam preparation into 7 focused study sessions with a total of 28 actionable tasks. The plan covers all 4 exam domains — Plan and design collaboration communications systems, Configure and manage Teams meetings, webinars, and town halls, Configure and manage Teams Phone, Configure and manage Teams Rooms and devices — ensuring complete coverage of the exam blueprint. Intensive 7-day review for the Collaboration Communications Systems Engineer (MS-721) exam covering Teams voice design, meetings infrastructure, phone systems, and devices.
Prerequisites
- Teams Phone and voice experience
- Networking fundamentals
- 4–6 hours per day
Study Schedule
- Network topology assessment for Teams voice and video
- Bandwidth planning, QoS, and network readiness
- SBC selection and deployment architecture (Direct Routing)
- Location-based routing and media optimization
- Meeting room design: Teams Rooms on Windows/Android
- Audio conferencing: bridges, default numbers, and policies
- Meeting policy configuration for enterprise
- Webinars, Town halls, and large meeting optimization
- Direct Routing: SBC configuration, trunk setup, and failover
- Operator Connect vs Calling Plans vs Direct Routing selection
- Number management: porting, assignment, and types
- Voice routing policies, PSTN usage records, and dial plans
- Auto attendants: nested flows, holiday routing, and DTMF
- Call queues: agents, overflow, timeout, and callback
- Voicemail policies, call park, and group call pickup
- Emergency calling: dynamic locations, ELIN, and notification
- Teams Rooms deployment: hardware, accounts, and configuration
- Teams displays, phones, and panels management
- Device compliance and firmware management
- Monitoring room health and device diagnostics
- Take a full timed practice exam
- Review all incorrect answers
- Focus on Direct Routing and SBC scenarios
- Review call flow design questions
- Direct Routing architecture diagram
- Voice routing policy flow
- Device deployment checklist
- Rest before exam
Study Tips
Direct Routing SBC configuration is the most complex and tested area.
Know voice routing: policies → PSTN usage records → voice routes → SBC trunk.
Understand the full call flow from user to PSTN via Direct Routing.
Recommended Microsoft 365 Study Resources
Supplement this study plan with Microsoft Learn's free MS-721 learning path, which provides interactive modules and sandboxed Microsoft 365 environments. The Microsoft Virtual Training Days programme also offers free instructor-led sessions with a 50% exam discount voucher upon completion.
Ready to Practice?
Put your study plan into action with Collaboration Communications Systems Engineer practice questions.