What should you do?

You need to resolve the emergency address issue.

What should you do?
A . Add only the IPv6 public relay IP address to the trusted IP address list for the tenant.
B. Add only the IPv4 public relay IP address to the trusted IP address list for the tenant.
C. Add the IPv4 and IPv6 public relay addresses to the trusted IP address list for the tenant.
D. Route HTTPS traffic to Microsoft Teams by using a proxy and the proxy IP address.

Answer: C

Explanation:

Reference: https://docs.microsoft.com/en-us/microsoftteams/configure-dynamic-emergency-calling