I'm in the process of creating the necessary dialplans for a Teams Direct Routing pilot that we'll be starting shortly. I'm trying to find the most efficient way to create the necessary diaplans to enable users to dial each other by 4 digit extension. We have 5 domestic locations with a varying set of DID(s) as well as 1 location located in Paris. I've been looking for ways to test my 'logic' prior to pulling the trigger in Powershell, but can't seem to find what I'm looking for. Any assistance would be greatly appreciated. I've provided a sampling of what I've started below.