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Tones and signals – AASTRA 4147 Medium for MX-ONE (TSE) User Guide EN User Manual

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Dialog 4106 Basic/Dialog 4147 Medium

Description

Tones and signals

The following different tones and signals are sent from the

exchange to your phone.

Tone characteristics

The tones shown in this section are the most used tones

worldwide. Many markets use a differing tone for one or more

situations.

Dial tone

Special dial tone

Ringing tone or queue tone

every 4 seconds

Busy tone

Congestion tone

Number unobtainable tone

Call waiting tone

Intrusion tone

Conference tone

every 15 seconds (to all parties)

Verification tone

Warning tone, expensive route