You support a customer whose Skype for Business Server 2015 Enterprise Pool is configured with Enterprise Voice and Dial

[answerhappygod]

You support a customer whose Skype for Business Server 2015 Enterprise Pool is configured with Enterprise Voice and Dial-in Conferencing. You specify a
Session Initiation Protocol (SIP) Uniform Resource Identifier (URI) for the dial-in conferencing phone number.
You discover that the SIP URI is configured incorrectly.
You need to change the SIP URI.
What should you do?

A. Run the Set-CsDialInConferencingAccessNumberSkype for Business Management Shell cmdlet.
B. Run the Set-CsSipResponseCodeTranslationRuleSkype for Business Management Shell cmdlet.
C. Run the New-CsDialInConferencingDtmfConfigurationSkype for Business Management Shell cmdlet.
D. Delete the object and recreate the access number.