The connected devices section shows a list of Agent IDs and Extensions that are using licenses on the system.
Usage of the following licenses can be viewed on this page:
These licenses are consumed when an ACD Agent ID logs into the telephone system. If there is no ACD Reporting User license available when an Agent ID logs in, no historical or real-time reporting information about the agent will be recorded. If a license becomes available, an unlicensed agent will need to log out and back in again to consume it.
These licenses are consumed by Mitel 6900 Handsets that are using the MCS server as a configuration server.
for more information, please refer to the 6900 Overview section.