MFC register signaling is possible for all devices (line circuit modules) that work with the DH-Länder (DS120). These can be both analog and digital circuits with CAS. Configure the "MFC-R2 Line Signalling digital version" described by CCITT Q.421 with the device (DEV=DIUCQ421).

Configuration example TACSU:

ADD-TACSU:PEN=1-2-37-05,COTNO=222,COPNO=222,COS=220,LCOSV=1,
LCOSD=1,TGRP=222,CCT="A-ANALOG MFC",NNO=1-1-101,INS=Y,
DEVTYPE=TC,DEV=DIUCQ421,MFCVAR=2,CIRCIDX=22,DIALTYPE=MFC-MFC;