Office 365 ProPlus

If you have already purchased the Office 365 ProPlus plan, here are the add-on licenses you need to buy to get more Teams features.

Important

Although Audio Conferencing, Phone System, and Calling Plans can be purchased to enable voice calling features, we recommend that you evaluate an Enterprise E5 plan to see if it is more cost effective.

To add this feature Here's what you need to do
Audio Conferencing
Buy the Audio Conferencing add-on.
Buy 1 Audio Conferencing license for each person who is going to schedule or host a dial-in meeting. Attendees do not need licenses.
Once you buy the license, Microsoft will be your audio conferencing provider.
Toll-free numbers for dial-in access to your conferences, and the ability to dial out from a conference to add someone by calling any telephone number in the world
Buy Communications Credits.
Phone System
  1. Switch to a different Office 365 for business plan. If you have Office 365 ProPlus, we recommend upgrading your plan to an Enterprise E5 plan to get cloud voice features. If you upgrade to an Enterprise E1 or E3 plan, you'll see the option to buy the Phone System add-on.
  2. Buy the Phone System add-on.
  3. Buy a Calling Plan for Office 365.
    Or, use the telephone service from your existing provider.

Buy a Calling Plan
  1. Switch to a different Office 365 for business plan.
  2. Buy the Phone System add-on.
  3. Buy a Calling Plan.
    You can only buy this after you buy the Phone System add-on.