Common Area Phones needed
I was surprised that Teams does not support Common Area Phones for the Phone System part. The act as a full PBX replacement this is a must. i am really confused about the term "Feature Parity" between Sfb and Teams as I find more and more feature missing in Teams-only deployment.
Mahmoud Badran commented
There is already CAP enabled feature in Teams, i think which devices are capable is the question.
Stefan Pierig commented
If you have the Teams capable SBC on customer site, you could connect the Common Area Phones directly to the SBC. https://blog.valeconsulting.co.uk/2018/07/10/save-money-on-common-area-phones-with-microsoft-teams-direct-routing/