How to get an answer supervision on CA channel bank with Nuera f200, i have not found any perfect answer in this regard, like what will be DIP switch setting on the front of the channel bank, nuera Local end T1 controler D4,AMI,CAS, call prcess wink and remote end Nuera T1 controller D4,AMI,CAS, ca;; process FXO. the FXO loop start is set on the CA channel bank, with this my system charged the calls for no answer detect on the channel only ring possition. I appreciate your valuable feedbacks. either this CB doesnot work for answer supervision conditions.