We have a very simple setup here. BCM 50 8 Lines. Right now when a user is on the intercom and press 9 to have it access one of the 8 lines, it starts from line 8(069) and moves backward depending on line availability. How can I control this seeking order? I really just want it to never pickup line 1 or 8 unless it is a last resort. But I still want all sets to have access to this line when needed.