Our service offers the ability to do breakout rooms by pressing *3 on the phone. You can find the complete instructions by going to our support page followed by host instructions.
We are currently improving our breakout rooms to allow the host to be able have this control and will be released in the upcoming weeks. The new updates will also allow the host to control the number of breakout rooms that are available, be able to set time limits for the breakout rooms and other controls as well.