Yealink W53P

Phone Provisioning
65
custom.handset.low_battery_tone.enable
Advisory Tones Configurationcustom.handset.confirmation_tone.enable
custom.handset.keypad_tone.enable
custom.handset.keypad_light.enable Handset Keypad Light Configuration
custom.handset.backlight_in_charger.enable
Handset Backlight Configuration
custom.handset.backlight_out_of_charger.enable
custom.handset.screen_saver.enable Handset Screen Saver Configuration
custom.handset.auto_intercom Intercom Configuration
custom.handset.language Language Display Configuration