i have a CME 4.0 on 2821 and IOS 12.4(11)XJ4 with 8 FXO interfaces ,6 of them are conncted with PSTN analog lines and 2 with GSM Mobile line ( using Prema Cell) .i configured IVR (AA) on the CME ,the 8 line are under the AA.the Problem is, when i dia...