Assign a Toll Free Number to each agent

Hi guys,
I just installed 20 DID's in my vicidial 2.0.5, how do i assign each of them to an agent.
My idea is to create several in groups and have an agent log in to the in group then assign each did to route to a specific in-group
I just installed 20 DID's in my vicidial 2.0.5, how do i assign each of them to an agent.
My idea is to create several in groups and have an agent log in to the in group then assign each did to route to a specific in-group