Teams Rooms devices must be licensed with device licences rather than user licences from 1 July, 2023 (see our blog: https://bit.ly/3rdKRkS). However, there’s now a grace period delaying technical enforcement until 30 September, 2023 to give customers more time to get compliant.
Find details of this and other useful information in an FAQ here: https://bit.ly/43ft7mu.