Summary
Audio Conferencing in Microsoft Teams, Office 365, and Microsoft 365 allows users to join meetings from their phones and dial out from a meeting to a phone number.
1
It is possible to add toll-free phone numbers for Audio Conferencing users, and there are local dial-in numbers and international dial-in numbers available.
2
The maximum length of the Audio Conferencing meetings depends on who is in the meeting and the type of authentication they used to join the meeting.
2
Audio Conferencing requires one audio conferencing license for each person in the organization who is going to schedule/host an audio meeting.
3
According to
