Hello guys, I finally found a command under the E1 line section: Maintenance-State Description: Allows you to Busy Out or take Out Of Service (OOS) a T1 PRI line. Active calls on the line are not torn down. Example: set maintenance-state=yes This example was taken from the Max TNT administration Guide for version 7.0.0. I'm running 7.0.22 and 7.2.4 and i haven't this command aviable! :( Pls, could somebody help me, I really need to busy out my channels. Thx a lot.