How to turn off all or certain LED's of the hospitality phones

Please note: This feature is only supported by IP based SIP hospitality phones ( and not available for the analogue phone models ) and it requires to update the phones at least to the firmware release: HD-HM-FW-1.0.2.1

HD3xx desk guestroom phones:

system.led_patterns.charging_timeout = 
(Default = 30 , supported digit values for sec. )

Desc.: The value in seconds manages how long the charging indication LED (if enabled) will remain ON after the handset is placed on the charging cradle.

system.led_patterns.incoming_call_enable = 
(Default = 1 , supported 0 or 1 )

Desc.: This enables or disables visual signaling of an incoming call via the use of the corresponding LED.

system.led_patterns.lineInUse_onHold_enable = 
(Default = 1 , supported 0 or 1 )

Desc.: This enables or disables the visual signaling of a Hold scenario via the use of the corresponding LED.

system.led_patterns.msg_waiting_enable = 
(Default = 1 , supported 0 or 1 )

Desc.: This enables or disables the Voicemail / Message Waiting LED.

system.led_patterns.provisioning_enable = 
(Default = 1 , supported 0 or 1 )

Desc.: This enables or disables the visual signaling of a provisioning processing via LED(s).

system.led_patterns.sip_acct_unreg_enable = 
(Default = 1 , supported 0 or 1 )

Desc.: This enables or disables the visual signaling of a SIP registration error or outage etc. via LED(s).

HM201 / HM2 guestroom phone:

hs_settings.charge_led_enable =
(Default = 1 , supported 0 or 1 )

Desc.: This enables or disables the charging LED

hs_settings.cradle_tone_enable =
(Default = 1 , supported 0 or 1 )

Desc.: This enables or disables the charging cradle tone playout.