Are Common Area Phones Supported through Direct Routing?
Strictly here in the context of the common area phone Office 365 SKU, the answer is no. However, you can use normal accounts with E1+Phone System Licenses or even direct SIP registration to the SBC itself for common area phone usage.
Mark is an Independent Microsoft Teams Consultant with over 15 years experience in Microsoft Technology. Mark is the founder of Commsverse, a dedicated Microsoft Teams conference and former MVP. You can follow him on twitter @UnifiedVale