Yealink SIP-T48G Administrator's Manual page 225

3. Enter the unlock PIN in the Phone Unlock PIN(6~15 Digit) field.
4. Click Confirm to accept the change.
To change the unlock PIN via phone user interface:
1. Press Menu->Settings->Basic Settings->Phone Lock->Phone Unlock PIN.
2. Enter the current unlock PIN in the Current PIN field.
3. Enter the new unlock PIN in the New PIN field.
4. Enter the new unlock PIN again in the Confirm PIN field.
5. Press the Save soft key to accept the change.
Account lock is used to lock the account on the IP phone. It can prevent your account
being signed in or signed out randomly. If account lock feature is enabled, users are
prompted for administrator password to sign in or sign out. This feature is especially
useful for public area telephone users.
Procedure
Account lock can be configured using the configuration files or locally.
Configuration File
Local
<y0000000000xx>.cfg
Web User Interface
Configuring Security Features
Configure account lock.
Parameters:
features.lock_account.enable
Configure account lock.
Navigate to:
http://<phoneIPAddress>/servl
et?p=account-basic&q=load&
acc=0
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