To help drive adoption of Teams, Microsoft have announced a couple of customer promotions:
Audio Conferencing for free
For Enterprise Agreement customers, the offer is available immediately until January 21, 2021 and licenses are free until the end of your enrolment.
For purchases via partners and the web portal, you get the licenses free for 12 months. Offer starts October 1, 2020 and ends March 31, 2021 and isn’t available in China or India.
35% off Teams Advanced Communications
Available now for Enterprise Agreement customers (ends January 31, 2021) and “coming soon” if you buy via partners or the web portal. This is available worldwide.
See Microsoft’s post here.