Got and old As5350 that has a T1 on Slot3. We have external devices with 56k modems dial-into it. I need to "busy out" the T1 while we do some work on the network.
I see that the command is
Router# busyout 3
However, I don't see how I "unbusy" the T1 so that calls can be made again to the T1 in Slot3.