Hi ddemuth78, nice to see you again.
You could consider call filtering, though it's not per DID, it applies to all incoming calls.
One recommendation is trying Remote Call Control dial plan node, it's a bit more complex than filtering, but may work better for this purpose.
KateG related to this, we have one ring group whose number gets routed to an external number in their dial plan however this isn't working for internal calls and transfers. For those, instead of following the dial plan, it is just ringing the members of the ring group. Do you know how/why for internal calls and transfers it wouldn't follow the dial plan for the ring group?
ddemuth78 this requires a deeper dive into what's going on.
Your best bet would be to call support who can look into the particular dial plan and see what may be happening.
