How will this help me?
When you are in a Teams meeting, you will soon be able to transfer a meeting between a mobile device and a computer when logged in with the same account. You will also be able to add another device as a companion to your meeting.
How do I access it?
Open Teams on a second device, for example if you have joined the call on your desktop, open the Teams app on your phone during a Teams call.
When adding or transferring to a mobile device there will be a banner at the top of the Teams Teams mobile app advertising that a meeting is in Progress, simply select ‘Join’

Image is not our own. Image courtesy of Microsoft, taken from Message Center email: Transfer Teams meeting between devise or add another device
Select ‘Add this device’ or ‘Transfer to this device’

Image is not our own. Image courtesy of Microsoft, taken from Message Center email: Transfer Teams meeting between devise or add another device
When adding or transferring to a desktop device just follow the above steps:

Image is not our own. Image courtesy of Microsoft, taken from Message Center email: Transfer Teams meeting between devise or add another device
When will this happen?
This feature will be available by the end of October. There is nothing you need to do to prepare for this update.