Configure dial-in conferencing for Office 365 operated by 21Vianet

Note: This topic applies only to Office 365 operated by 21Vianet in China.

This feature is not yet available for Office 365 operated by 21Vianet. But check back soon! In the meantime, please see Learn about Office 365 operated by 21Vianet for more information on availability of features.

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