TS50.5 TABEL OF TONE FREQUENCY ======================= DIGITS NUMBERS FREQ(HZ) DIGITS NUM FREQ(HZ) 01 67.0 21 136.5 02 71.9 22 141.3 03 74.4 23 146.2 04 77.0 24 151.4 05 79.7 25 156.7 06 82.5 26 162.2 07 85.4 27 167.9 08 88.5 28 173.8 09 91.5 29 179.9 10 94.8 30 186.2 11 97.4 31 192.8 12 100.0 32 203.5 13 103.5 33 210.7 14 107.2 34 218.1 15 110.9 35 225.7 16 114.8 36 233.6 17 118.8 37 241.8 18 123.0 38 250.3 19 127.0 39 1750 20 131.8