Use multiple phone numbers in a unified Teams experience with Teams Phone user multi-line

Microsoft

Apr 29, 2026

We’re excited to announce general availability of Microsoft Teams Phone user multi-line, which lets admins assign up to 10 phone numbers to a single Teams Phone user.

What is Teams Phone user multi-line?

Many organizations need a simple way for a single person to represent multiple lines of business or regions across calling without juggling multiple Teams accounts, devices, or complicated call routing workarounds. Teams Phone user multi-line helps streamline that experience by enabling a Teams user to make and receive calls for multiple phone numbers within one unified Teams experience.

Here’s what the experience delivers:

Assign up to 10 phone numbers to one user: Administrators can configure multiple numbers for a single user, such as when one person needs to handle calls for different departments or roles.
Supports localized calling across markets: Serve customers with a familiar local caller ID by using region-specific numbers, helping build greater trust into each interaction.
One experience across endpoints: Supported across Teams desktop and Teams Phone devices, so users can make and receive calls from multiple numbers without the hassle of switching accounts or hardware.

The result: less overhead for admins and a cleaner calling experience for users who need to handle more than one business calling number in Teams.

Teams Phone user multi-line in action

Here are a few example use cases for how user multi-line can help workers be more effective:

Represent multiple departments or brands. A communications director supports both press relations (PR) and analyst relations (AR). With user multi-line, they can take inbound calls for either function and place outbound calls using the appropriate number.

Support different regional identities. A customer success manager covers North America and Europe. They can use dedicated regional numbers so customers reach the right line and see a familiar local caller ID.

Operate multiple roles without switching contexts. A Facilities Manager supports both day-to-day operations and after-hours incident response. With two dedicated numbers assigned, they can keep communications organized while managing calls from one Teams client.