Block extension, Un-block extension – AASTRA 4220 Lite for BusinessPhone User Guide EN User Manual
Page 64
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Security
BusinessPhone – Dialog 4220 Lite / Dialog 3210
64
Block extension
*72#
Dial to block your extension.
Verification tone.
í
Press to finish the procedure.
Un-block extension
#72*
Dial.
z
Dial your Password.
#
Press to re-open.
Verification tone. Your extension is open for use.
í
Press to finish the procedure.
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