2 3C OM 3101 AND 3101SPBASIC TELEPHONESThis chapter describes the buttons, controls, and features on the 3Com®3101 and 3101SP Basic Telephones.The chapter covers these topics:■ Telephone Buttons and Controls■ Programmable Access Buttons■ Status Lights for System Appearance ButtonsFor how these features work on an analog telephone that is connected tothe NBX® system, click the NBX Feature Codes Guide icon below anyscreen in the NBX NetSet™ utility.The 3Com 3101 Basic Telephone (3C10401A) does not include amicrophone, which means it does not support speaker phone operation.The 3Com 3101SP Basic Telephone (3C10410SPKRA) has a microphoneand supports speaker phone operation. All other features operate thesame on the two telephones.Telephone Buttonsand ControlsFigure 1 shows the buttons and controls on the 3Com 3101SP BasicTelephone. The 3Com 3101 Basic Telephone does not include amicrophone, 8, or a speaker button and its indicator light, 10. All othercontrols are identical on the two telephones.