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Audible signals
When you hear: It means:
A rapid double-ring You have an incoming intercom call.
pattern, repeating
A long single ring, You have an incoming transferred call.
repeating
A short single ring, The extension number you just
repeating programmed has already been assigned.
Choose another number for this
extension.
A short single tone, The extension you are calling is in
repeating DND mode.
A long single tone, The extension you are calling is busy.
repeating
A very long single The extension you are calling is ringing or
tone, repeating in DND mode.
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Before you begin
Before you begin
974CIB_06 4/7/06 3:32 PM Page 10