colt45

You might be able to use the VDN override feature. The "first" VDN in a call string set to Override=N it becomes the control for that call. It's name, COR, VOA, etc is passed down the line.

So if your first point is a DNIS VDN set Override N and give it an appropriate name such as the TFN, (800)555-1212. Then when the vector routes to a subsequent extension the agent will see the DNIS name not the routed to number.