In all likelyhood Server to Server which was stated to be a possible service when they started transfering (Copies) to Testserver Several Patches Ago, Difference would be these would be full transfers (not copies) and these would cost points.Q: Does character transfers involve moving one toon from my account to another of my account or only from server to server ?
edit: Standard Disclaimer: as I am not a Funcom employee, this is only my best guess.