Polycom C100S Guia Del Usuario página 5

Features
Keypad
(See enlargement below)
Microphone
USB cable
(Attached; located under
back cover/stand)
LED light ring
Application launch key
Mute key
Keypad
Polycom Communicator User Guide - 
®
Speaker
Back cover/stand
Stereo headphone jack
(3.5mm)
Volume up key
Call pickup/hangup key
Volume down key