Noise suppression for dial-in participants in Teams audio conferences
From Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.Microsoft asks admins to prevent or fix an issue. Read what it asks below and check the linked documentation; whether your tenant is affected is not known here.
Schedule dates changed in the text
Date phrases in schedule sentences differ between the versions this installation saw- Seen 2 Mar 2026
late November 2025→ end of March 2026 - Seen 28 Aug 2025
September 2025, late September 2025→ October 2025
Read from date phrases in Microsoft's text, not from notice metadata. A changed phrase can be a moved rollout, a new milestone or just rewording; "What changed" below shows which.
What the notice says
Microsoft’s text, safely structuredUpdated March 2, 2026: We have updated the timeline. Thank you for your patience.
Introduction
Microsoft Teams is introducing noise suppression for PSTN dial-in participants in Audio Conferences. This feature automatically reduces background noise—such as traffic or keyboard sounds—enhancing audio clarity for users joining meetings via phone.
This message is associated with Microsoft 365 Roadmap ID 496150
When this will happen
- Targeted Release (Worldwide): Rollout begins in October 2025 and is expected to complete by late October 2025.
- General Availability (Worldwide, GCC, GCC High, and DoD): Rollout begins late October 2025 and is expected to complete by end of March 2026 (previously late November)
How this will affect your organization
Once enabled, noise suppression will automatically improve audio quality for PSTN dial-in participants by reducing background distractions. This enhancement supports clearer communication and a more professional meeting experience. The feature will be on by default after rollout.
What you need to do to prepare
No admin action is required for rollout.
- For early testing, admins can manually enable the feature starting September 22, 2025:Go to Meeting policy Navigate to the Audio & video section Set Noise suppression for dial-in participants to Enabled
- Or use PowerShell:
- Set the NoiseSuppressionForDialInParticipants property in CsTeamsMeetingPolicy to Enabled
Compliance concerns
| Compliance Area | Explanation |
|---|---|
| Does the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data? | Noise suppression uses machine learning model to process audio input and reduce background noise. |
| Does the change include an admin control and, can it be controlled through Entra ID group membership? | Admins can enable or disable the feature via Teams Admin Center or PowerShell. Yes, it can be assigned to individual users and groups. |
| Does the change allow a user to enable and disable the feature themselves? | Only Admins can configure policies that affect user experience. Neither dial-in participant nor Teams participants can't control this setting for dial-in user. |
What changed
Between archive captures, newest firstUpdated
August 28, 2025:March 2, 2026: We have updated the timeline. Thank you for your patience. Introduction Microsoft … DoD): Rollout begins late October 2025 and is expected to complete by end of March 2026 (previously lateNovember 2025November) How this will affect your organization Once enabled, noise suppression will automatically …- Tags
Feature update→ Updated message, Feature update
Updated August 28, 2025: We have updated the timeline. Thank you for your patience. Introduction Microsoft Teams is introducing noise suppression for PSTN dial-in participants in … ID 496150 When this will happen Targeted Release (Worldwide): Rollout begins in
SeptemberOctober 2025 and is expected to complete by late October 2025. General Availability (Worldwide, GCC, GCC High, and DoD): Rollout begins lateSeptemberOctober 2025 and is expected to complete by late November2025.2025 How this will affect your organization Once enabled, noise suppression will automatically …- Tags
- · first version seen
Learn more
Links from the notice and their documentation checksRelated public evidence
No related evidence found in this installation's recent collection. This does not establish that no announcement exists.
Not confirmed here
What this page cannot tell you- Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.