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TONES AND SIGNALS
66
BusinessPhone 250 / BusinessPhone 50
Standard Telephone / Economyplus Telephone
TONES AND SIGNALS Tones are audible in the handset. Ringing signals are emitted
from the phone. You can adjust the tones and signals on
your phone. See section ”Audible adjustments”.
Dial tone
(System ready to accept digits)
Special dial tone
(System ready to accept digits,
active diversion on telephone)
Ringing tone -repeated after 4 s
(Ringing signal to called party)
Special ringing tone -repeated after 4 s
(Ringing signal to line 2)
Busy tone
(Called party is busy)
Number unobtainable tone
(Called number not accessible
or vacant)
Blocking tone
(Call cannot be executed due to
congestion or called party blocked)
Verification tone
(Verification that ordered
function is accessed)
Intrusion tone
(Sent to all parties during
intrusion)
Conference tone -repeated after 15 s
(Sent to all participants in a
conference)
Internal ringing signal -repeated after 4 s
External ringing signal -repeated after 4 s
Automatic call-back signal
Note: The tones and ringing signals in this guide refer to the
standard system but may vary between countries.
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