Dialog
3212
Dialog
3210
Dialog
3211
Audible Signals
68
TONE CHARACTERISTICS
The following different tones and signals are sent from the
exchange to your handset or loudspeaker.
Dial tone
Special dial tone
Ringing tone or
every 4th second
Queue tone
Busy tone
Congestion tone
Number unobtainable
tone
Call waiting tone
Intrusion tone*
Conference tone
every 15th second (to all parties)
Verification tone
Warning tone,
expensive route
* Intrusion tone is only available on newer versions of the telephone exchange.
RINGING SIGNALS
Three different ringing signals inform you about the type of
the incoming call.
Internal ringing signal
External ringing signal
Recall signal
(automatic callback reminder)
Содержание Dialog 3210
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