Currently only delegated user permissions are supported, and this is very sub-optimal for bots and service applications that need to monitor Teams presence of users.
DarrelMiller there are so many uses for app-only presence retrieval!
- show presence of Teams users in other UC applications from other vendors
- show and log presence changes in line-of-business applications
- collate presence of many users to create in/out boards
- use presence to route support tickets for triage to users who are “online” and “available”
Fundamentally, all the same reasons that make it useful for application permissions to be able to access the Microsoft Graph apply to Teams presence too. We have specific use cases where we’d like to show Teams presence in our employee directory, and we want to replicate Teams presence into our on-premise PBX.