Available from October 1, 2020 until January 31, 2021, Microsoft Teams Audio Conferencing can be acquired for free for Enterprise Agreement (EA) customers until the end of their enrollment as long as there is at least 20% Microsoft Teams Meetings adoption withing the first six months.
Furthermore, effective October 1, 2020 until March 31, 2021, Microsoft Teams Audio Conferencing is available for free for 12 months through Cloud Solution Provider (CSP) and by Web Direct customers (without Microsoft Teams Meetings adoption requirement).
Audio Conferencing in Microsoft 365 and Office 365 enables users to call in to meetings from their phones. It is especially helpful for participants, who do not have reliable internet access and allows up to 250 phone attendees.
Those offers are available worldwide with exceptions of China and India.
For the announcement and details on the offers, please visit: https://www.microsoft.com/en-us/microsoft-365/blog/2020/09/08/3-deals-meeting-calling-experiences-microsoft-teams/.
For more information on Microsoft Teams Audio Conferencing, please visit: https://docs.microsoft.com/en-us/microsoftteams/audio-conferencing-in-office-365.