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Acoustic signals, Add-ons, Appendix – Siemens 300 User Manual

Page 52

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52

Appendix

Acoustic signals

Internal dial tone

3 x 0.2s tone and 0.3s pause, sequence repeated after 0.5s pause.

External dial tone

Steady tone

Ringing tone

Tone

Pause

Tone

Pause

Tone

0.8s

2s

Busy tone

0.5s 0.5s

Acknowledgement tone

Tone

0.8s

Error tone/range tone

4x0.1s