Discover how to configure dial masks in Microsoft Teams emergency call routing policies to ensure international emergency numbers translate correctly for common area phones.
Table of Contents
Question
You have a Microsoft Teams Phone deployment that uses Direct Routing.
Your office regularly receives visitors from other countries.
You need to ensure that if a user from another country uses their local country code to dial an emergency services number, the code translates to the local emergency services number on a common area phone tied to that location.
What should you configure?
Select only one answer.
A. a dial plan translation
B. dial mask for an emergency call routing policy
C. dial string an emergency call routing policy
D. an emergency calling policy
Answer
To ensure that international visitors can dial their local emergency number and have it translated to the local emergency services number on a common area phone in a Microsoft Teams Direct Routing deployment, you should configure a dial mask for an emergency call routing policy.
B. dial mask for an emergency call routing policy
Explanation
An emergency call routing policy dial mask is used to ensure that any number for emergency services across the globe will work. An example is: 911,9911,99, and 112. An emergency call routing policy dial string is what the dialed number must dial out as, calling policies are unrelated, and dial plan translations do not apply for e911.
Emergency call routing policies in Teams Direct Routing define how emergency calls are routed. A dial mask allows alternate emergency numbers (e.g., 112 in Europe) to be translated into the local emergency dial string (e.g., 911 in the U.S.) when dialed. This ensures that calls from visitors using their country-specific emergency numbers are correctly routed to the local Public Safety Answering Point (PSAP).
Dial Mask Functionality
- Translates dialed numbers (e.g., 112, 999) into the configured emergency dial string (e.g., 911).
- Defined per emergency number in the emergency call routing policy.
Emergency Call Routing Policy
- Applies specifically to Direct Routing users and common area phones.
- Ensures dynamic emergency calling compliance (e.g., Kari’s Law in the U.S.).
Other Options Compared
- Dial plan translations (A): Handle general number normalization, not emergency-specific routing.
- Emergency dial string (C): Defines the target emergency number (e.g., 911) but does not handle translations.
- Emergency calling policy (D): Configures notifications and user settings, not number translation.
By configuring a dial mask, you enable seamless translation of international emergency numbers to the local dial string, ensuring compliance and safety.
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