Snom 300 VoIP Phone - RefurbishedSix free user or administrator configurable (or carrier preconfigurable) function keys can be easily allocated to security related menu functions, or assigned to multiple lines. The snom 300 VoIP Phone comes factory equipped to enable fuor of its six programmable keys to be configured as line appearances, and snom provides upgrades that let you configure (up to) all six function keys in this way flexible enough to suit the needs of every user. This