MS-720 · Question #93
You have a Microsoft Teams Phone deployment. Direct Routing is enabled for all users. The users can place and receive PSTN calls. You need to create a new user policy to provide four-digit extension…
The correct answer is C. Assign a dial plan to the users. E. Create a voice normalization rule. F. Create a tenant dial plan. To enable four-digit extension dialing, you must create a tenant dial plan (F) as the policy container, then add a voice normalization rule (E) inside it that translates the short extension (e.g., 1234) into the full E.164 number the SBC expects, and finally assign the dial…
Question
Options
- ACreate a trunk translation rule.
- BCreate an IP phone policy.
- CAssign a dial plan to the users.
- DAssign an IP phone policy to the users.
- ECreate a voice normalization rule.
- FCreate a tenant dial plan.
How the community answered
(41 responses)- A5% (2)
- B2% (1)
- C80% (33)
- D12% (5)
Explanation
To enable four-digit extension dialing, you must create a tenant dial plan (F) as the policy container, then add a voice normalization rule (E) inside it that translates the short extension (e.g., 1234) into the full E.164 number the SBC expects, and finally assign the dial plan to the users (C) so the normalization logic actually applies to their dialing sessions - skipping any one of these three steps breaks the chain. Trunk translation rules (A) operate at the SBC/trunk level to manipulate numbers in transit, not at the user policy level, making them the wrong tool here. IP phone policies (B, D) control hardware phone behavior like sign-in mode and hot desking and have no bearing on dial plans or number normalization whatsoever.
Memory tip: Remember the three-step mantra - "Build it → Rule it → Give it": Build the tenant dial plan, add a normalization Rule, then Give it to users via assignment. If you see "trunk translation" for a user-side dialing problem, it's a trap - trunks live on the SBC, not in user policies.
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