5.8.6.2. BEL Test Port 
You can only control this test program with MFC-R2 DID.
- End of the last MFC-R2 signal; END-OF-DIAL-FREE message to line (loadware)
- ANSWER message to line (loadware); application of the ringback tone (including 1st ringback tone)
- Time-out for controlling the test tone phase. The MFC-R2 forward signal A1 is used as the test tone in Belgium.
- Wait for RELEASE from CO. READY message to CP, line free for switching
To control the BEL test program you must assign the correct TESTNO in the TACSU and you must configure the timer in compliance with the defaults.
- Set or change the test number in the TACSU as follows:
CHANGE-TACSU: ..., TESTNO = 2
- Set or change the timers as follows:
CHANGE-DTIM1:TYPEDH=MFCDID,TSUPV1=6500,TSUPV2=10000;
- Set or change the test number in the TACSU as follows: