Tones And Signals; Tone Characteristics - Ericsson Dialog 4186 High User Manual

Description
Dial tone
Special dial tone
Ring tone or queue tone
Busy tone
Congestion tone
Number unobtainable tone
Call waiting tone
Intrusion tone
Conference tone
Verification tone
Warning tone, expensive route
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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.
every 4 seconds
every 15 seconds (to all parties)
Dialog 4186 High