User Guide for the SIP-T22P/SIP-T22 IP Phone24To unlock the phone via phone user interface:1. Press the Unlock soft key or any locked key, the LCD screen will prompt you to enterunlock pin.2. Enter the PIN in the PIN field.3. Press the Confirm soft key or .The icon disappears from the idle screen. You can long press again to lockthe phone.NoteYou can press the Volume key to adjust the ringer volume when the phone is idle. Youcan also press the Volume key to adjust the receiver volume of currently engaged audiodevice (handset, speakerphone or headset) when the phone is in use.To adjust the volume when the phone is idle:1. Press to adjust the ringer volume.Note If the ringer volume is adjusted to minimum, the icon will appear on the LCD screen.You can also unlock the phone by administrator password.