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Audio signals / ringer cadences, Appendix – Deutsche Telekom 704PC User Manual

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105

Appendix

The following diagram shows the duration and intervals of the individual audio sig-
nals and ringer cadences.

Audio Signals / Ringer Cadences

Audio signals

Time in seconds

Ring tone

Busy tone

Internal dialling tone

External dialling tone

Positive acknowledgement tone

Negative acknowledgement tone

Internal special dialling tone

External special dialling tone

Call-waiting tone

Rings

External call

Internal call

Recall

0

1

2

3

4

5

6