Get started with phone and equipment videos Find all your resources here.Choose your device:Yealink InstallYealink CP920 Conference Phone Yealink T33G Yealink T40G Yealink T42SYealink T48S Yealink T53W Yealink T54W Yealink 56H, 56P, 60P DECTATA Install Polycom VVX 201 Polycom VVX 300 Polycom VVX 400 .