MS-721 Question #54: Real Exam Question with Answer & Explanation

Question

You have a Microsoft Teams Phone deployment that has 10 offices. Each office has a Session Border Controller (SBC). A user reports that she can make internal calls by using the dial pad, but cannot use the dial pad to make external calls. What is a possible cause of the issue?

Options

• AThe user has the incorrect Teams app setup policy applied.
• BThe user has the incorrect voice routing policy applied.
• CThe user is missing a validated emergency address.
• DEnterprise Voice is disabled for the user.

Explanation

{"question_number": 10, "question": "A user can make internal calls using the dial pad but cannot make external calls using the dial pad. What is a possible cause?", "correct_answer": "B", "explanation": "Voice routing policies in Microsoft Teams Phone determine which PSTN routes (and therefore which external calls) a user is permitted to use. If a user has an incorrect or missing voice routing policy, Teams will not route their external dial-pad calls through any PSTN gateway, blocking all outbound external calls while internal calls continue to work normally - because internal calls do not require PSTN routing. An incorrect Teams app setup policy (A) controls which apps appear in the Teams client, not call routing. A missing emergency address (C) may restrict calling in some regulatory scenarios but would not selectively block all external calls while leaving internal calls intact. Disabled Enterprise Voice (D) would prevent the user from using the dial pad for any calls, including internal ones, which contradicts the scenario.", "generated_by": "claude-sonnet", "llm_judge_score": 4}

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