Aastra dialog 4224 Operator User Manual page 75

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BusinessPhone – Dialog 4224 Operator / Dialog 3214
Block extension
Dial to block your extension.
Verification tone.
Press to finish the procedure.
Un-block extension
Dial.
Dial your Password.
Press to re-open.
Verification tone. Your extension is open for use.
Press to finish the procedure.
Security
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