Audio Conferencing

Join Microsoft Teams meetings on the go, without an internet connection.

Use a global dial-in number to join a meeting from virtually any mobile device, or dial out to help others join a meeting.​


Dial in

Join the audio portion of meetings by dialing a tolled or toll-free phone number and entering a PIN.​

Dial out

Connect others to the audio portion of your meeting by dialing out using the Microsoft Teams app.​

Get Audio Conferencing for free

Add Audio Conferencing to your Office 365 E1 or E3 plan for free for a limited time.1 After the offer period, it’s available to purchase per user per month or as a pay-per-minute option. It’s included with Office 365 E5 and Microsoft 365 E5 plans.

A person utilizing audio conferencing on a headset.

Add extended dial-out to your Audio Conferencing plan

Never run out of dial-out minutes for your meetings. Provide users with virtually unlimited dial-out minutes to the United States and Canada.2

Audio Conferencing rates

Get a detailed list of the standard subscription and pay-per-minute rates for your agreement by country or region and by currency. Communications Credits rates are for charges not included in your subscription plan.3

Select the country or region for your organization’s billing address 

Ready to get started?

Audio conferencing support and resources

Set up Audio Conferencing

Learn how to set up Audio Conferencing if you plan to schedule or lead meetings.

Audio Conferencing resources

Find detailed answers to many common questions about Audio Conferencing.

Dial out from a Microsoft Teams meeting

Learn how to dial out from the Microsoft Teams app so others can join your meeting using their phones.

Support for Microsoft Teams meetings

See instructions for common meeting scenarios in Microsoft Teams.


Communications Credits offer a pay-as-you-go model that allows Microsoft Teams users to pay for service outside of their subscription offerings. In addition, Communications Credits are a way to safeguard potential service outages if a user exceeds the allocated monthly minute limits within their subscription. Learn more.

Both services are add-ons for Office 365 E1, Microsoft 365 E3, and Office 365 E3 customers. Audio Conferencing is a monthly subscription that provides customers the Audio Conferencing service via Microsoft Teams. Audio Conferencing Pay-Per-Minute allows a customer to set up conferencing through Microsoft Teams. To use the conferencing service, the customer must have a Communications Credits account and will be billed per minute for inbound and outbound conferencing minutes.

For Audio Conferencing services, there is a distinction between two types of countries. Countries that are considered “Zone A/included dial-out” will have 60 minutes per user per month of dial-out conferencing, pooled at the tenant level, included as part of their service plan. Learn more.


Customers in countries that are considered “pay-as-you-go dial-out” will not have dial-out conferencing included in their service plans. For Customers in “pay-as-you-go dial-out” countries, you must establish a Communications Credits account and you will be charged by the minute for all dial-out conferencing usage. Learn more.

Meetings must be organized by a user licensed for Audio Conferencing. Administrators can add users in the admin center. Learn more.

Ready to get started with Audio Conferencing?

1. Get Audio Conferencing for free for 12 months. Available only for net new Audio Conferencing seats (defined as seats incremental to any existing seats as of August 1, 2020) for CSP or Web Direct customers with paid subscriptions that include Teams. Available now through December 31, 2021. Available worldwide with exceptions in China and India. The offer is subject to additional terms and conditions.
2. Microsoft reserves the right to limit or terminate use of the capability in the event of abnormal usage or suspicion of use for fraudulent purposes. Learn more.
3. Rates listed (for tenants provisioned in the United States) don’t include tax. International dial-out rates are subject to change monthly, and individual rates are not locked during the term of your agreement. Changes will be minimized where possible to avoid disruption while ensuring prices remain competitive with local market rates and conditions.
4. Download standard subscription or pay-per-minute rates. Standard subscription rates include dial-in calls to toll-free numbers and dial-out calls. Pay-per-minute rates include dial-in calls to toll numbers, dial-in calls to toll-free numbers, and dial-out calls.