First Communications Cloud IP PBX User Guide (Yealink)8Yealink T48S# Item Description1 Power Indicator LED Indicates phone power and some feature statuses2 Touch Screen Tap to select and highlight screen items. Shows information aboutcalls, messages, soft keys, time, date and other relevant data3Mute KeyHeadset KeyMessage KeyRedial KeyHold KeyTransfer KeyActivates and indicates mute featureActivates and Indicates the headset featuresAccesses voicemailsRedial a previously dialed numberPlaces a call on hold or resumes a held callTransfer a call to another party4 Speaker Key Activates and indicates speakerphone mode5 Volume Key Adjusts the volume of the ringer, handset and speaker6 Directional Pad Scrolls through displayed information. Confirm and cancelactions7 Key Pad Provides the digits, letters, and special characters in context-sensitive applications2345671