1 Handset light strip – Indicates an incomingcall (flashing red) or voicemail message(solid red).2 Phone screen – Displays status, featureand call information.3 Programmable Line andFeature buttonsSolid green: Active call.Flashing green: Held call.Flashing amber: Incoming call.Solid red: Shared line in use.4 Softkey buttons – Engagesthe associated feature inthe display.5 Navigation pad and Select button –Like a cursor, used to scrollthrough menus and highlightactive calls and features.While on-hook, pressing the up option displays your Recent call list and pressingthe down option displays your programmed Speed Dials.6 Hold – Places a call on hold and retrieves a held call.7 Conference – Initiates a conference call.8 Transfer – Initiates a call transfer.9 Speakerphone – Activates (solid green) and deactivates the speakerphone.10 Headset – Activates (solid green) and deactivates the user-provided headset.11 Mute – Deactivates (solid red) and reactivates the microphone.12 Keypad – Allows you to dial phone numbers, enter letter and select menu itemsthat are numerically numbered.13 Volume – Adjusts the phone’s ringer volume while on-hook and the handset,speakerphone and headset volumes while off-hook.14 Contacts – Personal and Corporate Directory look-up access.15 Applications – Recents (view by All calls or Missed), Preferences (programRingtone, Contrast, Headset sidetone, and Backlight), Accessories (configureanalog headset), and Extension Mobility (only if configured).16 Messages – Auto-dial access to voicemail.17 Handset – Phone Handset.Cisco 7821Quick Reference Card