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5
BEFORE YOU BEGIN
Audible Signals
You have an incoming intercom call.
You have an incoming transferred call.
The extension number you just programmed has
already been assigned. Choose another number for
this extension.
The extension you are calling is in DND mode.
The extension you are calling is busy.
A rapid double-ring pattern,
repeating
Long single ring,repeating
Short single ring,repeating
Short single tone,repeating
Long single tone,repeating
When you hear: It means: