Terms you should know
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Ringback/ring tone
The sound you hear when a call you have made is ringing at its
destination.
Interrupted dial tone
A broken or pulsed dial tone that you hear when accessing some
of your set’s features.
Special dial tone
Three consecutive tones followed by dial tone that you hear when
accessing some of your set’s features.
Shared Directory Numbers
A DN (extension) shared by two or more persons.
Special Prefix Code (SPRE)
A number you must enter to activate many of the features on your
set. For example, when you read “Enter the SPRE code plus 87”,
first enter the SPRE code then press 87. For your convenience,
use the tables on page 79 to keep track of the SPRE codes and
FFCs for your system.
Note: Meridian SL-100 codes can be different from customer to
customer. Check with your communications group for feature
code prefixes.
Switchhook
The button your handset presses down, disconnecting your call
when you replace the handset.