User's Guide

Table Of Contents
Reference Number Feature Feature Description
3 Touchscreen Select items and navigate menus on the touch-
sensitive screen.
4, 5 Volume keys Adjust the volume of the handset, headset, speaker,
and ringer.
6 USB port(s) CCX 400 business media phones include one USB-A
port.
Attach a USB flash drive or USB headset.
7 Headset indicator Displays when the phone is powered on. The icon
glows green or blue when a headset is connected and
activated.
8 Speakerphone indicator
Displays when the phone is powered on. The icon
glows green when activated.
9 Speaker Provides ringer and speakerphone audio output.
10 Mute key Mute or unmute the microphone during an active call.
Getting Started with Poly CCX with Teams
7