Table of ContentsviiAbout This Guide ...................................................................... vDocuments ................................................................................................................................. vIn This Guide .............................................................................................................................. vTable of Contents .................................................................... viiSystem Overview ..................................................................... 1VoIP Principles ............................................................................................................................ 1Packaging Contents ................................................................................................................... 2Optional Accessory............................................................................................................. 4System Component Instructions ................................................................................................ 5VC400/VC120 Codec ........................................................................................................... 5VCC18 HD Camera ............................................................................................................. 7VCP40 Video Conferencing Phone...................................................................................... 7VCR10 Remote Control ...................................................................................................... 10Icon Instructions ....................................................................................................................... 12Icons on Display Device .................................................................................................... 12Icons on the VCP40 Video Conferencing Phone ............................................................... 13LED Instructions ........................................................................................................................ 14User Interfaces ......................................................................................................................... 15Remote Control ................................................................................................................. 16Web User Interface ........................................................................................................... 16Getting Started ....................................................................... 17System Installation ................................................................................................................... 17Installing the VC400/VC120 Video Conferencing System ................................................. 18Installing the Camera ....................................................................................................... 19Installing Batteries in the Remote Control ........................................................................ 21Connecting the CPE80 Expansion Microphone ................................................................ 21Powering the System On and Off ............................................................................................ 22System Initialization ................................................................................................................. 22System Startup ......................................................................................................................... 23Setup Wizard............................................................................................................................ 23Placing a Test Call from the Yealink VCS System .................................................................... 27Configuring Network .............................................................. 29