Bitteschön. Gibt es bei der ITU.
http://www.itu.int/ITU-T/inr/forms/files/tones-0203.pdf
Austria
Busy tone - I 420 0.4 on 0.4 off
Busy tone - II (5) 450 0.3 on 0.3 off
Congestion tone - I 420 0.2 on 0.2 off
Congestion tone - II (5) 450 0.3 on 0.3 off
Dial tone - 420//450 continuous
Recall dial tone - 420 continuous
Special dial tone - 380+420 continuous
Negative indication tone - 380+420 0.4 on 0.4 off
Number unobtainable tone - 950/1400/1800 3x0.33 on 1.0 off
Pay tone - 852 1.5 on
Positive indication tone - 380+420 1.0 on 5.0 off
Payphone recognition tone - 1633/1336 0.2 on 0.2 off 0.2 on 2.0 off
Ringing tone - 420//450 1.0 on 5.0 off
Special information tone - 950/1400/1800 3x0.33 on 1.0 off
Warning tone - operator intervening 420//450 0.15 on 0.15 off 0.15 on 1.95 off
Waiting tone - 420 0.04 on 1.95 off