Microsoft Teams Audio

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When you are setting up Audio Conferencing for Microsoft Teams, dial-in phone numbers are automatically assigned to your organization. To see the phone numbers that are assigned to your audio conferencing bridge, in the Microsoft Teams admin center, go to Meetings > Conference bridges. For more information, go to See a list of Audio Conferencing numbers.

Audio Conferencing coverage and pricing

For a complete list of all the countries/regions and cities where Audio Conferencing is available, see Country and region availability for Audio Conferencing and Calling Plans. For pricing information, see Pricing for Audio Conferencing.

Dial-in phone numbers in a meeting invite

When a Microsoft Teams user schedules a meeting in Outlook or Outlook Web App, the default audio conferencing number that is set for the user is included in the meeting invite. If you want to select a different default number for one or more users, you can change that by going to Users, selecting the user, and editing the user's Audio Conferencing settings. See Set the phone numbers included on invites.

Dial-in phone numbers set on an audio conferencing bridge

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There are two types of audio conferencing phone numbers that can be assigned to your conferencing bridge: Shared and Dedicated. Both types of these numbers can be used by any caller to join audio meetings that are being held in your organization.

  • Dedicated phone numbers are those phone numbers that are only available to users within your organization. You can change the languages that are used when someone calls in to one of these numbers.

  • Shared phone numbers are those phone numbers that can be shared with other Microsoft 365 or Office 365. You can't change the languages that are used when someone calls in to one of these numbers.

While the default audio conferencing number that is assigned to an organizer is only included in the meeting invite, a caller can use any of the phone numbers that are assigned to your conferencing bridge to join a meeting. The list of phone numbers that can be used to join a meeting is available using the Find a local number link that is included on every meeting invite.

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Automatically assigned audio conferencing phone numbers

Shared audio conferencing phone numbers are automatically assigned to organizations when they're enabled for audio conferencing. When the phone numbers are assigned, a phone number is assigned as the default phone number of the conferencing bridge. The phone number assigned as the default number of the bridge will be one from the country/region of the organization.

To see a list of those countries/regions that have phone numbers automatically assigned to organizations, see Country and region availability for Audio Conferencing and Calling Plans.

Note

The country or region location of your organization can be found by signing in to the Microsoft 365 admin center and looking under Organization Profile.

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Caution

Due to limited availability of toll phone numbers in Venezuela, Indonesia, and United Arab Emirates (UAE), organizations from these countries/regions won't have an Audio Conferencing toll number automatically assigned to them. Toll-free numbers from these locations are available depending on available inventory.

What else should you know?

  • To see the list of supported languages for audio conferencing, see Audio Conferencing supported languages.

  • You can set up to four languages for each audio conferencing phone number - one primary and three secondary. And you can also set languages on a dedicated audio conferencing phone number.

  • To set the dial-in phone number for a user, see Set the phone numbers included on invites.

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