Exam Code: MS-721
Exam Questions: 263
Collaboration Communications Systems Engineer
Updated: 15 Apr, 2026
Viewing Page : 1 - 27
Practicing : 1 - 5 of 263 Questions
Question 1

You have a Microsoft Teams Phone deployment.

You are deploying Direct Routing.

All users have a SIP URI in the format of [email protected]. The Session Border Controller (SBC) is named sbc.voice.contoso.com.

When troubleshooting errors on the SBC, you receive the warning shown in the following exhibit.

What is a possible cause of the issue?

Options :
Answer: D

Question 2

What is the purpose of a disaster recovery plan in a collaboration communications system? 

Options :
Answer: C

Question 3

What is the difference between video conferencing and web conferencing?

Options :
Answer: D

Question 4

Which audio device does Teams Phone support for hands-free calling? 

Options :
Answer: A

Question 5

What is the extension for voicemail on Teams Phone? 

Options :
Answer: D

Viewing Page : 1 - 27
Practicing : 1 - 5 of 263 Questions

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