Administrator’s Guide for Yealink Video Conferencing SystemsxiiGetting Started ............................................................................. 33System Installation.................................................................................................................................................................. 33Installing the VC400 Video Conferencing System ........................................................................................... 34Installing the VC120 Video Conferencing System ........................................................................................... 34Installing the Camera ................................................................................................................................................... 36Installing Batteries in the Remote Control .......................................................................................................... 38Powering the System On and Off..................................................................................................................................... 39System Initialization ............................................................................................................................................................... 39System Startup ......................................................................................................................................................................... 40Setup Wizard ............................................................................................................................................................................. 41Enabling Communication with Other Systems ........................................................................................................... 45Placing a Test Call from VCS .............................................................................................................................................. 46Configuring Network................................................................... 47Preparing the Network ......................................................................................................................................................... 47Configuring LAN Properties ............................................................................................................................................... 48DHCP ................................................................................................................................................................................... 48Configuring Network Settings Manually ............................................................................................................. 52IPv6 Support .................................................................................................................................................................... 56Configuring Network Speed and Duplex Mode ........................................................................................................ 60VLAN............................................................................................................................................................................................. 61LLDP..................................................................................................................................................................................... 62Manual Configuration for VLAN .............................................................................................................................. 65DHCP VLAN ...................................................................................................................................................................... 67802.1X Authentication ........................................................................................................................................................... 68H.323 Tunneling....................................................................................................................................................................... 73Configuring the System for Use with a Firewall or NAT ......................................................................................... 77Call Setup and Media Ports ....................................................................................................................................... 77Restricting Reserved Ports ......................................................................................................................................... 78Network Address Translation ................................................................................................................................... 81Intelligent Firewall Traversal ............................................................................................................................................... 90Quality of Service .................................................................................................................................................................... 91VPN ............................................................................................................................................................................................... 94Configuring Call Preferences ...................................................... 99Configuring Video Conference Platform ....................................................................................................................... 99Logging into the Yealink VC Cloud Management Service Platform ...................................................... 100Registering a YMS Account ..................................................................................................................................... 104Logging into the StarLeaf Cloud Platform ........................................................................................................ 106Logging into the Zoom Cloud Platform ............................................................................................................. 108Registering a Pexip Account ................................................................................................................................... 111