Room 101 has a  Polycom SoundStation IP6000 conference phone that connects over the ethernet to the TC Network to use with TC RingCentral service. 

Instructions: Enter the number you want to call, then press the button with an image of an analog phone. The dial-in number is displayed in the top left corner of the Polycom screen. 

If you need a conference phone, make sure to reserve RH 101 with enough time.