You can compare the various Teams plans here and download the Teams apps for various devices here. However, in order to get the best functionality, you need to have an Office 365 or Microsoft 365 enterprise subscription. Just like in Skype for Business, you can invite anyone to join a Teams meeting (internal or external) – they don’t have to be part of any team. No matter if you are on your phone or laptop, you can always schedule Teams meetings via the Teams apps – the desktop app, Teams Online and the Teams mobile app. You can schedule Teams meetings in all the Teams apps If you want attendees to call in using a regular telephone, your Teams infrastructure needs to be set up to support auto-conferencing. Attendees can use their Internet audio and video to engage in the online meeting.
They can join the online Teams meeting through any browser, or they can download the free Teams app and use that to attend the meeting. You can send a Teams meeting invitation to anyone – all they need is an email address.
