Getting Started33 Power AdapterCheck the list before installation. If you find anything missing, contact your systemadministrator.Optional AccessoriesThe following items are optional accessories for your SIP VP-T49G IP phone. You need topurchase them separately if required. Headset Yealink Extended Display Accessories: ED10USB3.0 Cable HDMI Cable 3M Dual Lock ×2 Quick InstallationGuideNotePhone InstallationIf your phone is already installed, proceed to Phone Initialization on page 37.We recommend that you use the accessories provided or approved by Yealink. The use ofunapproved third-party accessories may result in reduced performance.