Audible Signals; Tone Characteristics - Aastra DT590 User Manual
Businessphone communication platform
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- User manual (166 pages) ,
- User manual (107 pages) ,
- Quick reference manual (2 pages)
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Dial tone
Special dial tone
Ringing tone or Queue tone
Busy tone
Congestion tone
Number unobtainable tone
Call waiting tone
Intrusion tone
Conference tone
Verification tone
Warning tone, expensive route
BusinessPhone – Cordless DT590
Audible Signals
The following different tones are sent from the exchange to your
telephone.
Tone Characteristics
The tones shown in this section are the most used tones
worldwide. Many markets use a different tone for one or more
situations.
repeated after 4 s
repeated after 15 s (to all parties)
Audible Signals
121
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