LineBox supports LINE or landline interrupt call when there is a call in progress. User can press phone keys “＊1” to switch between a landline call and a LINE call and hang up the current call by pressing phone key “＊”. User also can add an interrupt LINE call or an interrupt landline call into a LINE & landline conference by pressing phone keys “＊2”.
User can also set speed dial number for LINE friends from LineBox Speed Dial setting page. Speed dial number can be set up to 12 digits 0~9 Arabic numerals. Speed dial list can be exported for back up and imported for use later.