Direct Inward Dialing (DID) is a telephone service that allows a phone number to ring through directly to a specific phone at a business instead of going to a menu or a queue and needing to dial an extension. A phone number that is used like this is often called a “DID” (and multiple numbers are called “DIDs”).
What Is a DID Number?
What Is a DID Number? DID stands for direct inward dialing. In some areas of the world, the system is known as direct ...