Originally Posted by gelehu
Look at Prog 90-68-01 balance CO lines for sound quality #*#* and password dial 90-68-01, enter 3 digit trunk # 001-012 then hold, display shows 1/7 thru 7/7. Should be in programming sheets

Hi, I don't have Prog 90-68-01 on Sl2100, I think it must be under a different Prog number