BOXING TONES- courtesy of the ITT Manual by The Mad Phone-man ------------------------------------------------------------------ Digit Frequencys Weighting ------------------------------------------------------------------ 1 700 + 900 0 + 1 2 700 + 1100 0 + 2 3 900 + 1100 1 + 2 4 700 + 1300 0 + 4 5 900 + 1300 1 + 4 6 1100 + 1300 2 + 4 7 700 + 1500 0 + 7 8 900 + 1500 1 + 7 9 1100 + 1500 2 + 7 0 1300 + 1500 4 + 7 code 11 700 + 1700 0 + 11 inward operators code 12 900 + 1700 1 + 11 inward operators KP 1100 + 1700 2 + 11 start of pulsing KP2 1300 + 1700 4 + 11 transit traffic ST 1500 + 1700 7 + 11 end of pulsing -------------------------------------------------------------------- Weighting refers to the loudness of tones. Higher frequencys need more power to sound the same loudness as lower freqs.