What are DSN numbers?

Answer by  NGoodson (3395)

DSN numbers mean Defense Switched Network and they're used by military and government for private and secure communications. They're used to discuss classified information, so regular civilians don't usually have access to them. There is training provided to those that need to use DSN numbers on how they work and when to use them.

Answer by  SystemOwner (137)

DSN numbers are a set of numbers that contains information about the database required by the Open database connectivity database. There are three type of DSN which are User DSN/System DSN and File DSN.

Answer by  Ashley68 (404)

DSN (Defense Switched Network) numbers are those used by DoD officials within many countries in order to communicate through voice, email, and VOIP. It has become very popular and is known for its security.