User guide

71BusinessPhone – Cordless phone DT292
Security
Security
You can block your extension in order to prevent unauthorized use
of your phone, e.g. if your external calls are placed on a specific
account number.
Block Extension
*72# Press to block your extension
Verification tone.
Wait for the call icon to stop flashing
 Press to finish the procedure
Un-block Extension
#72* Press
Z Enter your password
Note: To change your password see chapter“Change
Password” on page 53
#  Press to re-open
Verification tone. Your extension is open for use.
Wait for the call icon to stop flashing
 Press to finish the procedure