at the two telecom jobs in my past DID only got called a "DID" when specifically talking about configuring routes for DID or some other associated configuration

at the two telecom jobs in my past DID only got called a "DID" when specifically talking about configuring routes for DID or some other associated configuration. Even as telecom engineers unless that was the specific context the nomenclature was to call it a phone number all other times. Across separate companies. And yet ... ...you've got me wanting to pay attention to something; I'm migrating from a public telco/PTSN job to The world of hosted pbx and managed voice in two weeks and I wonder if that linguistic quirk translates between the two types of environment.