8
Poly CCX 400 Business Media Phones Hardware
The following figure displays the hardware features on Poly CCX 400 business media phones. The table 
lists each feature numbered in the figure.
Figure 1: Poly CCX 400 phone hardware features
Poly CCX 400 Phone Hardware Feature Descriptions:
REFERENCE 
NUMBER
FEATURE FEATURE DESCRIPTION
1 Reversible tab
Secures the handset in the cradle when you position your 
phone stand at a high angle. To secure the handset, remove 
the tab, reverse it so the protrusion points up, and reinsert 
it. Position the handset so the protrusion on the tab fits into 
the slot on the handset.
2
Message 
waiting 
indicator
Flashes red to indicate you have an incoming call or a new 
message.
3 Touchscreen
Enables you to select items and navigate menus on the 
touch-sensitive screen.
4,5 Volume keys
Adjusts the volume of the handset, headset, speaker, and 
ringer.
6 USB port(s)
CCX 400 phones contain one USB-A port.
Enables you to 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.