Published February 16, 2021

Admin setting for PSTN participant phone number masking in Teams meetings

Reference ID: MC220415

MC220415 – Updated February 16, 2021: We have updated the rollout timeline below. Thank you for your patience.

With MC209349 (April 2020) and MC217648 (July 2020), we added a level of privacy for participants who call in to a Teams meeting via audio conferencing (PSTN) by automatically masking any PSTN participant phone number to users from outside of your organization who might be on the call.

We are now adding an admin control for this feature.

This message is associated with Microsoft 365 Roadmap ID 67091.

When this will happen

We will be rolling this out this out in early March (previously early February).

How this will affect your organization

There is no direct impact or change on your users; the default setting will continue to mask participant phone numbers only for external users.

With this control, you can disable masking or you can mask phone numbers (PSTN) from all meeting participants (both internal and external).

What you need to do to prepare

You will initially be able to change this setting via a PowerShell cmdlet. We will update this post with those details when they are available.

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