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Tones – AASTRA DT4x2 for MX-ONE User Guide EN User Manual

Page 28

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Description

DT412/DT422/DT432

28

Tones

The following different tones 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.

Ring signals

You can change the ring signals, see section “

Ring signals

” on

page 114.

Dial tone

Special dial tone

Ringing tone or queue tone

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