Tones And Signals - Ericsson BUSINESSPHONE 250 User Manual

TONES AND SIGNALS

Dial tone
(System ready to accept digits)
Special dial tone
(System ready to accept digits,
active diversion on telephone)
Ringing tone
(Ringing signal to called party)
Special ringing tone
(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
(Sent to all participants in a
conference)
Internal ringing signal
External ringing signal
Automatic call-back signal
BusinessPhone 250 - Premium Telephone
BusinessPhone 50 - Premium Telephone
Tones are audible in the handset. Ringing signals are emitted
from the phone.
I I I I
I I I
Note: The tones and ringing signals in this guide refer to the
standard system but may vary between countries.
TONES AND SIGNALS
I I I I I I I
-repeated after 4 s
-repeated after 4 s
-repeated after 15 s
-repeated after 4 s
-repeated after 4 s
51