Pressing multiple key combinations enable you to perform certain operations on the VVX 300, 310, 400, and 410 phones. The multiple key combinations on theVVX 300, 310, 400, and 410 phones are as follows:

• Reboot the Phone—Press and hold the dial pad keys 0, 1, and 3 simultaneously for about three seconds, or until you hear a confirmation tone.
• Restore Factory Defaults—Press and hold the dial pad keys 1, 3, and 5 simultaneously during the Updater process until the password prompt appears. Enterthe administrator password to initiate the reset. Resetting to factory defaults will also reset the administrator password to 456.
• Upload Log Files—Press and hold the dial pad keys 1, 5, and 9 simultaneously until you hear a three­second confirmation tone.