Aastra Dialog 4220 Lite User Manual

Security
BusinessPhone – Dialog 4222 Office / Dialog 3211 & 321266
Security
Block extension
You can block your extension in order to prevent unauthorized
external calls. You can still make internal calls and you can also
receive incoming calls.
*72# Press to block your extension.
Verification tone.
í 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 62
# Press to re-open.
Verification tone. Your extension is open for use.
í Press to finish the procedure.

Aastra Dialog 4220 Lite Specifications

General

Brand	Aastra
Model	Dialog 4220 Lite
Category	Telephone
Language	English