If you do not want to allow dial-in conferencing you can disable this capability by using the Set-CsConferencingPolicy cmdlet and setting the EnableDialInConferencing property to False. By default, all users are allowed to host meetings that include dial-in conferencing.

Dial-In Conferencing

• Get-CsConferenceDirectory

• Move-CsConferenceDirectory

• New-CsConferenceDirectory

• Remove-CsConferenceDirectory

• Test-CsDialInConferencing

• Get-CsDialInConferencingAccessNumber

• New-CsDialInConferencingAccessNumber

• Remove-CsDialInConferencingAccessNumber

• Set-CsDialInConferencingAccessNumber

• Get-CsDialInConferencingConfiguration

• New-CsDialInConferencingConfiguration

• Remove-CsDialInConferencingConfiguration

• Set-CsDialInConferencingConfiguration

• Get-CsDialInConferencingDtmfConfiguration

• New-CsDialInConferencingDtmfConfiguration

• Remove-CsDialInConferencingDtmfConfiguration

• Set-CsDialInConferencingDtmfConfiguration

• Get-CsDialInConferencingLanguageList

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