You have a Skype for Business Server 2015 infrastructure that has Enterprise Voice enabled. When a caller dials an unass

[answerhappygod]

You have a Skype for Business Server 2015 infrastructure that has Enterprise Voice enabled.
When a caller dials an unassigned number, the caller hears a custom message, and then the caller is forwarded to a user named User1.
Several months later, User1 leaves the company.
You need to ensure that when a caller dials an unassigned number, the caller hears the custom message and is forwarded to a user named User2.
Which Skype for Business Management Shell cmdlet should you run?

A. Set-CsUnassignedNumber
B. Set-CsUser
C. Set-CsVoiceRoute
D. Set-CsAnnouncement