Reference Number
Feature
Feature Description
5,6
Volume keys
Adjusts the volume of the handset, headset, speaker,
and ringer.
7
USB port(s)
Poly CCX 500 phones include one USB-A port and one
USB-C port.
Enables you to attach a USB flash drive or USB
headset.
8
Headset indicator
Displays when the phone is powered on. The icon
glows green or blue when a headset is connected and
activated.
9
Speakerphone indicator
Displays when the phone is powered on. The icon
glows green when activated.
10
Speaker
Provides ringer and speakerphone audio output.
11
Mute key
Mutes local audio during calls and conferences.
Getting Started
14