You plan to implement a pilot project on Phone System for 100 users. The pilot project will use a Microsoft Calling Plan. You need to ensure that the users can establish calls to the PSTN. Which cmdlets should you run? 

Answer options:

A. Set-AzureADUserLicense, Set-CSUser, and Set-AzureADUser
B. Grant-CsOnlineVoiceRoutingPolicy, Set-CsOnlineVoiceUser, and Set-CSUser
C. Set-AzureADUser, Grant-CsOnlineVoiceRoutingPolicy, and Set-CsOnlineVoiceUser
D. Set-AzureADUserLicense, Set-CsOnlineVoiceUser, and Set-CSUser

D

A Microsoft Calling plan requires an additional license.The three cmdlets in this answer assign a phone system license to the user, assigns a phone number to the user and enables the user for Enterprise Voice. Reference: https://docs.microsoft.com/en-us/microsoftteams/calling-plans-for-office-365 https://docs.microsoft.com/en-us/microsoftteams/set-up-calling-plans