Yealink VC400 - Changes for Release 20, Guide Version 20.1

About This Guide
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Major updates have occurred to the following sections:
 Setup Wizard on page 29
 Placing Multiple Calls on page 90
Changes for Release 20, Guide Version 20.1
The following sections are new for this version:
 Remote Control Battery Safety Information on page 27
 Meeting Password on page 54
 Meeting Whitelist on page 55
 Dual Screen on page 110
 8-Way Conference License on page 122
Major updates have occurred to the following sections:
 VCC18 HD Camera on page 6
 VCR10 Remote Control on page 12
 Installing the VC400 Video Conferencing System on page 24
 Audio Setting on page 80
 Far-end Camera Control on page 82
 Controlling the Camera on page 112
 Video Recording on page 116
 Screenshot on page 120