The following table provides an overview of the LED indicators for different phone states. For more information how about the LED layout on the phone, see Get started with Cisco Desk Phone 9800 Series.

StateTop 360 LEDFront Arc LEDLine buttonAudio buttonsNavigation ClusterCalendar button (9851 only)

Booting (phase 1)

Red, solid

Booting (phase 2)

Red, solid

White (50% brightness)

White, solid

Booting (phase 3)White, breathingWhite, solid

Network unconnected

Mute LED on

Idle

White (50% brightness)

Initiating network

Mute LED on (flashing)

Sleep / Standby

White, breathing

Low power

White, solid

Off hook call

Green, solidSpeaker LED on (when pressed)

On hook call

White (50% brightness)

Incoming call

Amber, flashingAmber, flashingAmber, flashing

In call

Green, solidGreen, solidGreen, solidSpeaker or Headset LED on (when pressed)

Call muted

Green, solidGreen, solidGreen, solidSpeaker or Headset LED on (when pressed)

Mute LED on

Call on hold

Red, flashing

Remote idle

LED off

Remote incoming call

Amber, solid

Remote in call

Red, solid

Missed call

Red, heartbeatingRed, heartbeating

Voicemail

Red, heartbeatingRed, heartbeating

Hot desking (desk available)

Green, solidGreen, solid

Hot desking (desk booked)

White, solid

Meeting service enabled

White (Solid, 50% brightness)

Meeting (time to join)

White (Solid, 100% brightness)