About This Study Plan
This 30-day study plan breaks the MS-721 (Collaboration Communications Systems Engineer) exam preparation into 4 focused study sessions with a total of 16 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. Balanced month-long plan for Collaboration Communications Systems Engineer (MS-721).
Prerequisites
- Teams fundamentals
- 45–75 minutes daily
Study Schedule
- Network readiness assessment for Teams voice/video
- Bandwidth calculations, QoS policies (DSCP markings)
- SBC selection, deployment models, and certificates
- Media bypass and Location-Based Routing
- Direct Routing: SBC trunk, FQDN, and port configuration
- Voice routing: policies, PSTN usages, and voice routes
- Dial plans, normalization rules, and tenant dial plans
- Number management: porting, acquiring, and assignment
- Teams Rooms: hardware, resource accounts, and policies
- Audio conferencing bridges and meeting policies
- Auto attendants, call queues, and call flow design
- Emergency calling configuration and compliance
- Device management, monitoring, and firmware
- Call quality: CQD analysis and troubleshooting
- Full practice exam #1 + review
- Practice exam #2, routing drills, and final prep
Study Tips
Lab practice with SBC configuration is highly recommended.
Understand all three voice connectivity options and when each applies.
Emergency calling compliance varies by country — know the principles.
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.