Recovery Mode; Locking And Unlocking The Phone; Automatic Lock; Unlock - AudioCodes 400HD Series User's And Administrator's Manual

CHAPTER 3 Starting up
4. Under 'Device administration', select the Debugging option.
5. Touch the Factory data reset option; the device performs a restore to default factory
settings.

Recovery Mode

If a phone goes into recovery mode, you can boot it using its hard keys as shown in
Performing a Hard Restore on page 33 .

Locking and Unlocking the Phone

As a security precaution, the phone can be locked and unlocked. The feature includes:
■
Unlock (see Unlock below )
■
Automatic lock ( Automatic Lock below )

Automatic Lock

Users can lock their phones as a security precaution. Make sure the phone is configured with
any of the lock options before attempting to lock it. If a lock option isn't configured, the lock
action won't work.
➢ To lock the phone:
■
Press the back key
automatically lock.

Unlock

➢ To unlock the phone:
1.
When the screen shown in the figure below is displayed, start typing your unlock PIN
code.
on the phone for at least three seconds for the device to
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C448HD and C450HD | Users & Administrator's Manual