Users report call delay during Microsoft Teams audio conferences.
You run a network trace from a user's device during an audio conference. You review the following trace results:

You need to identify the cause of delay.
What is the cause?

You need to resolve the chat notification issue.
Which three actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

You need to resolve the issue reported by User4.
How should you resolve the issue? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

A college has an Office 365 for Education verified tenant. Instructors create assignments for students.
A guest user reports they are unable to access an assignment that was shared with them in Microsoft Teams. You investigate the Fiddler logs and observe the following client error status response code:
401 Unauthorized
You need to determine the root cause for the issue. What is the root cause?

You are configuring Microsoft Teams for a company.
You configure the Direct Routing setup for the tenant- The 200 OK message is not received for outbound SIP options in the Session Border Controller (SBC) logs.
You need to find the root causes of the issue.
What are the three causes of the issue? Each correct answer presents part of the solution.
NOTE; Each correct selection is worth one point.