Agreed - this is a functionality that we definitely have a use case for as well.
The team is working on the API, and we will post as we have more information.
In the meantime, for Embrava, please note they have announced presence support for TeamsOnly mode with their version 5.2.16.
Need to be able to sort Teams contacts by a variety of parameters
Thanks to everyone who volunteered for testing the Office 365 group calendar. The TAP team will be reaching out as we are closer to being ready.
Agreed - with the way we are utilizing Teams this ability would be key!!