check before: 2026-04-01
Product:
Teams
Platform:
Android, iOS, Linux, Mac, Web, Windows Desktop, World tenant
Status:
In development
Change type:
Links:
Details:
Teams Phone user multi‑line gives callers more flexibility and control by allowing administrators to assign up to 10 phone numbers to a single user. With full support across Teams desktop, Teams mobile, and Teams devices, users can seamlessly make and receive calls from multiple numbers without switching accounts or hardware. This makes it easy to manage different roles, departments, or regional identities - all from one unified Teams experience. The result is a familiar, localized calling experience for users who work across diverse markets or with global customers.
Change Category:
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Scope:
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Release Phase:
General Availability, Targeted Release
Created:
2026-02-28
updated:
2026-03-06
Docu to Check
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MS workload name
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summary for non-techies**
Microsoft Teams' new feature, Teams Phone user multi-line, allows administrators to assign up to 10 different phone numbers to a single user, enabling them to make and receive calls from multiple numbers within the Teams environment without needing separate accounts or devices.
Direct effects for Operations**
User Confusion and Miscommunication
If the change is implemented without proper training, users may struggle to understand how to manage multiple phone numbers, leading to confusion and potential miscommunication with clients and colleagues.
- roles: End Users, Customer Support Representatives
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2021/03/02/whats-new-in-teams-phone-multi-line/
Increased Support Tickets
The introduction of multi-line capabilities without adequate preparation may result in a surge of support requests as users encounter issues or have questions about the new functionality.
- roles: IT Support Staff, Help Desk Technicians
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2021/03/02/whats-new-in-teams-phone-multi-line/
Configutation Options**
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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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change history
| Date | Property | old | new |
| 2026-03-06 | RM Platform Tags | Android, Desktop, iOS, Mac | Desktop, Mac, Web |
| 2026-03-03 | RM Release Phase | General Availability | General Availability, Targeted Release |
| 2026-03-03 | RM Title | Microsoft Teams: Multiple phone number assignment to a single user | Microsoft Teams: Teams Phone user multi-line |
| 2026-03-03 | RM Description | Administrators will be able to assign multiple phone numbers (up to 10) to a single user. Users will be able to make and receive phone calls using any number assigned to them without switching accounts or devices. This capability brings flexibility and efficiency to scenarios where individuals manage multiple roles, regions, or responsibilities. | Teams Phone user multi‑line gives callers more flexibility and control by allowing administrators to assign up to 10 phone numbers to a single user. With full support across Teams desktop, Teams mobile, and Teams devices, users can seamlessly make and receive calls from multiple numbers without switching accounts or hardware. This makes it easy to manage different roles, departments, or regional identities - all from one unified Teams experience. The result is a familiar, localized calling experience for users who work across diverse markets or with global customers. |
| 2026-03-03 | RM Platform Tags | Desktop, Linux, Mac | Android, Desktop, iOS, Mac |
Last updated 1 week ago ago
