All systems whether new or upgrade move to what is called Foundation Essential licensing. This is the base licensing platform for every Aura Communication Manager 6.3 and higher. Some portion of the licensing can be further enhanced by purchasing the Foundation Mobility level of licensing, which has software more targeted for a highly mobile user. Beyond that is a level called Foundation Collaboration, which includes licensing to support Video and Collaboration.
// FAQs // What are the different levels of Foundation licensing?