Siemens 300 Manual do Utilizador descarregar pdf (Página 52)

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

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