MC1135397 – Noise suppression for dial-in participants in Teams audio conferences (archived)

Product:

Entra, Microsoft 365 admin center, Teams

Platform:

Android, Developer, iOS, Mac, Online, Teams And Surface Devices, US Instances, Web, Windows Desktop, World tenant

Status:

Rolling out

Change type:

Feature update, Updated message

Links:

496150

Details:

Summary:
Microsoft Teams will roll out automatic noise suppression for PSTN dial-in participants starting October 2025, improving audio clarity by reducing background noise. The feature is enabled by default, requires no admin action for rollout, but admins can enable it early via policy or PowerShell.

Details:
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 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 late November 2025

Change Category:
XXXXXXX ... free basic plan only

Scope:
XXXXXXX ... free basic plan only

Release Phase:
General Availability, Targeted Release

Created:
2025-08-15

updated:
2025-08-29

Task Type

XXXXXXX ... free basic plan only

Docu to Check

XXXXXXX ... free basic plan only

MS How does it affect me

XXXXXXX ... free basic plan only

MS Preperations

XXXXXXX ... free basic plan only

MS Urgency

XXXXXXX ... free basic plan only

MS workload name

XXXXXXX ... free basic plan only

linked item details

XXXXXXX ... free basic plan only

summary for non-techies**

XXXXXXX ... free basic plan only

Direct effects for Operations**

Audio Quality Improvement
Without preparation, the rollout of noise suppression may lead to unexpected audio quality issues for dial-in participants, as the feature relies on machine learning which may not perform optimally in all environments initially.
   - roles: IT Admin, End User
   - references: https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=496150

User Experience Disruption
If the feature is enabled without prior testing, users may experience confusion or frustration due to changes in audio clarity, especially if they are accustomed to the previous audio quality.
   - roles: End User, Meeting Organizer
   - references: https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=496150

Configutation Options**

XXXXXXX ... paid membership only

Data Protection**

XXXXXXX ... paid membership only

explanation for non-techies**

Microsoft Teams is introducing a new feature that will automatically reduce background noise for people who join meetings by dialing in on their phones. Imagine you're on a phone call in a busy coffee shop. The sound of the espresso machine, people chatting, and other background noises can make it hard for the person on the other end to hear you clearly. This new feature acts like a smart filter, automatically tuning out those distractions so your voice comes through clearly, just like noise-canceling headphones help you focus on the music by blocking out ambient sounds.

Starting in October 2025, this feature will be turned on by default, meaning you won't need to do anything to start benefiting from it. It's like having a new car feature that activates automatically, improving your driving experience without needing to press any buttons. For those who manage these systems, you can think of it as an automatic upgrade that doesn't require any immediate action on your part. However, if you want to test it out early, you can manually turn it on through the Teams Admin Center or by using PowerShell commands.

This change uses machine learning to distinguish between your voice and unwanted noise, much like how a skilled editor might enhance a photograph by focusing on the main subject and blurring the background. While the feature is set to roll out automatically, administrators have the option to control its settings for their organization, ensuring it aligns with their specific needs and compliance requirements. This approach provides flexibility, allowing for a tailored experience similar to customizing settings on a smartphone to suit personal preferences.