Discover the essential add-on license required for Microsoft Teams Direct Routing. Learn why the Teams Phone Standard license is critical for enabling PSTN calling via Direct Routing in Microsoft Teams.
Question
You have a Microsoft 365 E3 subscription with an on-premises Session Border Controller (SBC) named SBC1.
You plan to implement Teams Phone system by using Direct Routing.
You need to recommend an add-on license for users to use Direct Routing.
Which add-on license should you recommend?
Select only one answer.
A. Communications Credits
B. Teams Calling Plans
C. Teams Phone Standard
D. Teams Premium
E. Teams Shared Devices
Answer
C. Teams Phone Standard
Explanation
To use Direct Routing (on-premises) PSTN access, all users need access to a Teams Phone Standard license.
To enable users to utilize Microsoft Teams Direct Routing, the Teams Phone Standard add-on license is required. This license provides the necessary functionality for integrating with an on-premises Session Border Controller (SBC) and connecting to the Public Switched Telephone Network (PSTN). Here’s a detailed explanation of why this is the correct choice:
Why Teams Phone Standard?
- Core Functionality: The Teams Phone Standard license equips users with essential telephony features such as voicemail, call forwarding, caller ID, and emergency calling. It also enables PSTN connectivity through Direct Routing, which is crucial for making and receiving external calls via Microsoft Teams.
- Direct Routing Enablement: Direct Routing allows organizations to connect their existing telephony infrastructure (via a certified SBC) to Microsoft Teams. This setup requires the Teams Phone Standard license to activate voice capabilities for users.
- Compatibility with E3 Subscription: While your Microsoft 365 E3 subscription provides access to core Teams features, it does not include telephony capabilities by default. The Teams Phone Standard add-on bridges this gap, enabling full integration with your on-premises SBC.
Why Not the Other Options?
- A. Communications Credits: These are used for pay-as-you-go calling or toll-free numbers but do not enable Direct Routing functionality.
- B. Teams Calling Plans: While these provide PSTN calling capabilities, they are not required when using Direct Routing since calls are routed through your SBC and existing telephony provider.
- D. Teams Premium: This license enhances meeting features and analytics but does not address telephony needs.
- E. Teams Shared Devices: This is designed for shared devices like common area phones and does not enable individual user telephony.
The correct answer is C. Teams Phone Standard, as it is the cornerstone license required to enable Direct Routing in Microsoft Teams, allowing seamless PSTN integration through your on-premises SBC.
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