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MS-721 — Question 96

HOTSPOT

Your company is migrating from a legacy PBX system to Microsoft Teams.

The phone number range is + 1-423-555-1xxx. The PBX system uses four-digit dialing internally. Extensions are the last four digits of the number.

You need to ensure that you can use four-digit dialing for your numbers in Teams. The solution must minimize administrative effort.

How should you configure the normalization rule? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

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Discussion

4 comments

VSARAVAN

Oct 27, 2023

answer should be ^(1\d{3})$ and +1423555$1

garymegian0996

Nov 1, 2023

The answer can be ^(\d{4})$ and +1423555$1 depending on the placement of the normalization rule since the matching is top down and not closest match first. I have tried both ^(1\d{3})$ and ^(\d{4})$ and whichever is placed at the top matches first. Both result in a E.164 translation. However, translation is the same for both +1423555$1

Arkt

Nov 4, 2023

Agree, but the problem with ^(\d{4})$ is that it can translate any extension and is not restricted to the ones starting with ^1. The right answer is ^(1\d{3})$ and +1423555$1

garymegian0996

Nov 9, 2023

Precisely, why I pointed out that the placement of the norm rule matters, just because ^(1\d{3})$ exists in the dial plan it will not match the 4 digits starting with 1 unless placed above the ^(\d{4})$ pattern.

Evoila_TrainingMaterial

Jul 14, 2024

Sample normalization rules https://learn.microsoft.com/en-us/microsoftteams/what-are-dial-plans#sample-normalization-rules

42a2e89

Jun 3, 2024

In Microsoft Teams, you can configure the normalization rule to support four-digit dialing. Here’s how you can do it: Open the Teams admin center. Navigate to Voice > Direct Routing > Translation rules. Click Add to create a new rule. In the Name field, enter a name for the rule. In the Pattern to match field, enter ^(\d{4})$. This pattern matches any four-digit number. In the Translation field, enter +1423555$1. This will translate the four-digit number into the full phone number format. Click Apply to save the rule. This rule will translate any four-digit dialed number into the full phone number format, allowing you to use four-digit dialing in Teams. This solution minimizes administrative effort as it only requires a one-time setup.