Basic Phone Features183monitor will change as well. If the phone is not in a video call, the external monitor willdisplay a Yealink logo.Before using the external monitor, ensure that the external monitor has been connectedto your phone. For more information, refer to Phone Installation on page 29.NoteSIP VP-T49G IP phone supports the following video resolutions on both IP phone andexternal monitor:ScenarioResolutionReceive SendSingle channel video calls 1920 x 1080 (1080P) 1920 x 1080 (1080P)One to many single channel videocalls 1920 x 1080 (1080P) 1920 x 1080 (1080P)3-way video conference 704 x 576 (4CIF) 1280 x 720 (720P)To enable the external monitor via phone user interface, do one of the following:- Tap ->Basic->HDMI.Tap the EXT Display field.Tap Enabled in the pop-up dialog box.Tap the Save soft key.- Swipe down from the top of the screen to enter the control center and toggle EXTDisplay on.The Extended Display Accessories ED10 is required for connecting the external monitor.You should purchase it separately. For more information, refer toYealink ExtendedDisplay Accessories Quick Installation Guide for SIP VP-T49G.