With our old phone system, we had an Auto Attendant alternate greeting function, where we could remotely record a message which would play in front of the AA main greeting. This was useful for snow days, business closings or other messages.
I don't see any similar functionality available and am thinking I may have to use a separate AA which can be activated by switching to a Custom System Mode.
Has anyone see or duplicated this functionality?
Using a digit option to move the system to another system mode is the best option. If you have remote admin access allowed, you could log into the system and record a new greeting, but the easiest method would be to have another auto attendant ready to go.