HV.Select Yealink T42S Phone User GuideGetting to know your phoneHardware Component InstructionsThe main hardware components of the SIP-T42S IP phone are the LCD screen and the keypad.Item Description① LCD ScreenShows information about calls, messages, softkeys, time, date and other relevant data:• Default account• Call information—caller ID, call duration• Icons (for example , )• Missed call text or second incoming callerinformation• Prompt text (for example, "Saving file, pleasewait")• Time and date② Power IndicatorLEDIndicates phone power and some feature statuses.• Receives an incoming call—Fast-flashing• Receives a voice mail or text message—Slow-flashing③ Line Keys Use the Feature Management Portal to assignadditional phone lines or Speed Dials to these keys.