Discover why adding emergency addresses is the critical first step when configuring Microsoft Teams dynamic emergency calling with IP subnets and Wi-Fi access points.
Table of Contents
Question
You have a Microsoft Teams Phone deployment.
You are configuring Teams to support dynamic emergency calling.
You plan to add the following network elements to Teams:
- Two IP subnets
- Three Wi-Fi access points
You need to ensure that each network element can use the Location Information Service (LIS).
What should you do first?
Select only one answer.
A. Add a network plan.
B. Add emergency addresses.
C. Add network sites.
D. Add trusted IP addresses.
Answer
To configure dynamic emergency calling in Microsoft Teams, you must first add emergency addresses (Option B).
B. Add emergency addresses.
Explanation
Before you can configure LIS services in the Networks & locations settings, you must configure emergency addresses. Each network element will refer to a specific emergency address.
Dynamic emergency calling relies on the Location Information Service (LIS), which maps network elements (subnets, Wi-Fi access points, etc.) to validated emergency locations. Before assigning these network elements to the LIS, you must:
Define Emergency Addresses
- Emergency addresses provide the civic and geodetic (latitude/longitude) data required for routing emergency calls. These addresses must include geo codes for automated PSAP routing, especially in the U.S. and Canada.
- Use the Teams admin center or PowerShell to create addresses, ensuring they are validated via Azure Maps for automatic geo-code assignment.
Assign Addresses to Network Elements
After addresses are created, network elements like subnets and Wi-Fi access points can be linked to them in the LIS. Without preconfigured addresses, there is no location data to associate with the network identifiers.
Why Other Options Are Incorrect
A. Add a network plan: Not a defined step in Teams emergency calling configuration.
C. Add network sites: Sites group subnets for policy assignments (e.g., emergency calling policies) but require emergency addresses to exist first.
D. Add trusted IP addresses: Identifies internal networks for location-based policies but does not resolve the need for emergency addresses in the LIS.
By prioritizing emergency addresses, you ensure the LIS has the foundational location data required to dynamically route emergency calls based on network topology.
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