Screen Saver in T43U

[Jorge Luis]

Hi
i try to change the screensaver on the device T43U but dont change the yealink default screensaver

in the web ui dont show the phone screen saver, and the cfg file dont change

this is my configuration line

screensaver.type= 1
screensaver.delete=
screensaver.upload_url= http://%BWDEVICEACCESSFQDN%:%BWDEVICEACCESSPORT%/%BWDMSCONTEXT%/%BWDEVICEACCESSURI%%WALLPAPER_T43U%
features.blf_active_backlight.enable=
screensaver.display_clock.enable= 1
screensaver.clock_move_interval= 60
screensaver.picture_change_interval= 300
screensaver.wait_time= 120
screensaver.xml_browser.url=

Regards