anchor.diff:    codec-support fr
     gprs mode none
     no force-combined-si
  +  depends-on-bts 2
     trx 0
      rf_locked 0
      arfcn <%= @arfcn_D %>
  
positive.code:   codec-support fr
    gprs mode none
    no force-combined-si
    trx 0
     rf_locked 0
     arfcn <%= @arfcn_B %>
  
negative.code:   codec-support fr
    gprs mode none
    no force-combined-si
    depends-on-bts 4
    trx 0
     rf_locked 0
     arfcn <%= @arfcn_F %>
  