Recovery Mode; Locking And Unlocking The Phone; Automatic Lock; Unlock - AudioCodes C455HD User's And Administrator's Manual

CHAPTER 3 Starting up
2. Select 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 the previous page.

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. Configure the phone with any of the lock
options before attempting to lock it. If an option isn't configured, the action won't function.
➢ 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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C455HD | Users & Administrator's Manual