check before: 2026-04-01
Product:
Microsoft 365 admin center, Teams, Windows
Platform:
Android, iOS, Linux, Mac, Online, Web, Windows Desktop, World tenant
Status:
Scheduled
Change type:
New feature, User impact, Admin impact
Links:
Details:
Summary:
Microsoft Teams Phone will allow assigning up to 10 phone numbers per user within one account, enabling calls from multiple numbers on various devices. Rolling out April-May 2026, this feature is off by default and requires admin configuration and a Teams Phone license. No prior action needed.
Details:
[Introduction]
Teams Phone user multi-line provides greater flexibility for organizations whose users manage multiple business numbers. This capability allows administrators to assign up to 10 telephone numbers to a single Teams Phone user, all within one Teams account. Users can make and receive calls from multiple numbers across Teams desktop, Teams mobile, and Teams devices without switching accounts or hardware. This enhancement supports a familiar and localized calling experience for users who work across regions, roles, or business lines.
This capability supports scenarios such as:
Establishing local presence across multiple regions
Supporting users with multiple roles or responsibilities
Allowing executives, assistants, or support teams to manage multiple business lines within one Teams account
This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web. It is associated with Microsoft 365 Roadmap ID 557716.
[When this will happen:]
Targeted Release: We will begin rolling out in early April 2026 and expect to complete by late April 2026.
General Availability (Worldwide): We will begin rolling out in late April 2026 and expect to complete by mid-May 2026.
Change Category:
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Scope:
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Release Phase:
Created:
2026-03-17
updated:
2026-03-17
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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linked item details
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summary for non-techies**
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Direct effects for Operations**
Increased Complexity in User Management
Without proper preparation, administrators may struggle to manage multiple phone numbers effectively, leading to confusion and miscommunication among users.
- roles: Teams Administrators, IT Support Staff
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557716
User Confusion and Miscommunication
Users may be overwhelmed by having multiple phone numbers assigned without clear guidelines, leading to missed calls or messages.
- roles: End Users, Customer Support Representatives
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557716
Compliance Risks
If administrators do not ensure that each assigned number has a valid emergency address, it could lead to compliance issues with regional telecommunications regulations.
- roles: Teams Administrators, Compliance Officers
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557716
Increased Support Tickets
The introduction of multiple phone numbers may lead to an increase in support requests from users facing issues with the new feature, straining IT resources.
- roles: IT Support Staff, Help Desk Technicians
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557716
Training and Onboarding Challenges
Users may require additional training to effectively utilize the new feature, which could lead to delays in productivity if not addressed beforehand.
- roles: End Users, Training Coordinators
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557716
Configutation Options**
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Opportunities**
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Potentional Risks**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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