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Telephone Management and Troubleshooting
78 4620/4620SW/4621SW IP Telephone User Guide
Ringing (Incoming) Tones Meaning
1 Ring -------- Call from another extension.
2 Rings ------- ------- Call from outside or the System Administrator.
3 Rings ------ ------ ------ Priority call from another extension, or from an
Automatic Callback call you placed.
Half Ring (ring-ping) --- A call is being redirected from your phone to
another because Send All Calls or Call
Forwarding All Calls is active.
Feedback (Handset) Tones Meaning
Busy --- --- --- Low-pitched, rapid tone (repeated 60 times
per minute), signifying the number dialed is in
use.
Call Waiting Ringback Tone ---_ A ringback tone with lower-pitched signal at
the end. This indicates the extension called is
busy and the called party was given a call
waiting tone.
Confirmation -- -- -- Three short tone bursts. This indicates a
feature activation or cancellation was
accepted.
Coverage - One short tone burst. This indicates your call
will be sent to another extension for a covering
user to answer.
Dial --------- Continuous tone indicating dialing can start.
Intercept/Time-out -_-_-_- Alternating high and low tone indicating a
dialing error, denial of a requested service, or
failure to dial within a preset interval (usually
10 seconds) after lifting the handset or dialing
the previous digit.
Recall Dial - - - ----------- Three shorts tone bursts followed by a steady
dial tone indicate a feature request was
accepted and dialing can start.
Reorder -- -- -- -- -- -- Fast busy tone repeated every half-second
indicate all phone trunk lines are busy.
Ringback ---- ---- ---- ---- Low-pitched tone repeated 15 times a minute
indicates the number dialed is ringing.