Microsoft Phone System | Step 8 of 9 | Maintaining Microsoft 365

The Microsoft Phone System is an outstanding business phone system, and an easy and cost effective add-on to Microsoft 365 E3 or E5 - but you MUST manage and maintain it so your end-users are having a good experience AND you are ahead of anything that could cause an outage - like an upgrade or update to the system that you were warned of well in advance.