Common Area Phone for students
Enables the use of Common Area Phone devices with your Office 365 Phone System. It includes the following licenses: Microsoft 365 Phone System, Microsoft Teams and Skype for Business Online (Plan2).
It also requires a calling plan which is sold separately as an add-on for Communication to be able to place calls. CAPs are for lobbies and common areas, they act as a POTS (plain old telephone system) practically. They are not made for meeting rooms. For actual meeting room, go for meeting room license with a calling plan (recommended)