When you start the intercom, you can press the buttons. If intercom breaks, restart, clicking Green Flag. INTERSCRATCH INTEL ultimate firmvare. Apartments: 999 Updates: table of codes 100 + bell + 7273 25 bell 7456 41 bell 1410 101 bell 6242 79 bell 9449 4 bell 6331 bell 1234 To call, type number and wait 3 secs
