Cortelco 2933-BK 293300tp227s Single Line Economy Phone - -6 One Touch Speed Dial Locations-10 Two Touch Speed Dial Locations-Redial-Flash-Pause-Mute-DTMF/Pulse Switchable Dialing-Handset Volume Control (Hi/Lo)-90V Message Waiting with Indicator-Hearing Aid Compatible-Ringer Volume Control (Hi/Lo/Off)-Desk/Wall Mountable-In Use Indicator-Ring Indicator