Vision Yealink T46 and T54 Override: phone_setting.backgrounds=”VisionLogo480x272V2.png” wallpaper_upload.url=”https://visionvoice.us/wp-content/uploads/2019/08/VisionLogo480x272V2.png” Yealink T48 and T57 Override: phone_setting.backgrounds=”VisionLogo480x272V2.png” wallpaper_upload.url=”https://visionvoice.us/wp-content/uploads/2019/08/VisionLogo480x272V2.png” Share this:ShareLinkedInFacebookRedditTwitterEmail