✅ Microsoft Teams Rooms Pro This license is always required to enable voice services (like PSTN calling) with Microsoft Teams Rooms. It includes the necessary components such as: Microsoft Phone System Audio conferencing Teams Rooms device management Advanced calling features

 

✅ Microsoft Teams Rooms Pro

This license is always required to enable voice services (like PSTN calling) with Microsoft Teams Rooms. It includes the necessary components such as:

• Microsoft Phone System
• Audio conferencing
• Teams Rooms device management
• Advanced calling features

The other options:

• Microsoft Teams Rooms Basic: Does not support voice services.
• Domestic or International Calling Plan: These are add-ons, not standalone licenses. They require a base license like Teams Rooms Pro to function.