Audible Signals - Ericsson Dialog 3213 User Manual

TONE CHARACTERISTICS
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
* Intrusion tone is only available on newer versions of the telephone exchange.
RINGING SIGNALS
Internal ringing signal
External ringing signal
Recall signal
(automatic callback reminder)
Dialog 3213
The following different tones and signals are sent from the
exchange to your handset or loudspeaker.
every 15th second (to all parties)
Three different ringing signals inform you about the type of
the incoming call.

Audible Signals

every 4th second
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