Customizing Your Phone272. Press or , or the Switch soft key to select Disabled from the Phone Lockfield.3. Press the Save soft key to accept the change.Phone lock is configurable via web user interface at the path Features->Phone Lock.You 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 audiodevices (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.NoteTo adjust the volume when the phone is during a call:1. Press to adjust the volume of currently engaged audio device(handset, speakerphone or headset).If the ringer volume is adjusted to minimum, the icon will appear on the LCD screen.