Yealink SIP-T19 E2 T4 Series, Руководство администратора

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Configuring Basic Features
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Power Saving
The power-saving feature is used to turn off the backlight and screen (turning off the screen is
only applicable to SIP-T54S/T52S/T48G/T48S/T46G/T46S/T29G IP phones and EXP50 expansion
module (connected to the SIP-T54S/T52S IP phones) to conserve energy. The IP phone and
EXP50 (if connected) enter power-saving mode after the phone has been idle for a certain
period of time. And the IP phone and EXP50 (if connected) will exit power-saving mode if a
phone/EXP50 event occurs - for example, if the phone has an incoming call or message, or you
press a key on the phone/EXP50 or tap the touch screen (touch screen is only applicable to
SIP-T48G/S IP phones). The power saving is not applicable to SIP-T19(P) E2 IP phones.
If the screen saver (refer to Screen Saver ) is enabled on your phone, power-saving mode will still
occur. For example, if a screen saver is configured to display after the phone has been idle for 5
minutes, and power-saving mode is configured to turn off the backlight and screen after the
phone has been idle for 15 minutes, the backlight and screen will be turned off after the screen
saver displays for 10 minutes.
You can configure the following power-saving settings:

Office Hour
: Configures the starting time and ending time of the day’s office hour for each
day of the week. You can configure power saving around your work schedule.

Idle TimeOut (minutes)
: Configures the period of time before the IP phone enters
power-saving mode. You can configure different idle timeouts for office hours and off
hours (evenings and weekends). You can also specify a separate timeout period that
applies after you use the phone.
By default, the Office Hours Idle TimeOut is much longer than the Off Hours Idle TimeOut. If you
use the IP phone, the idle timeout that applies (User Input Extension Idle TimeOut or Office
Hours/Off Hours Idle TimeOut) is the timeout with the highest value. If the phone has an
incoming call or message, the User Input Extension Idle TimeOut is ignored.
For SIP-T54S/T52S/T48S/T48G/T46S/T46G/T29G IP phones, you can also configure the flashing
period for the power indicator LED when the IP phone enters power-saving mode.
Note
Procedure
Power saving can be configured using the following methods.
Central
Provisioning
(Configuration
<y0000000000
xx>.cfg
Configure the power saving intelligent mode.
Parameter:
features.power_saving.intelligent_mode
If you disable the power saving feature, the IP phone will automatically enter power-saving mode
to protect the screen when the phone is inactive for 72 hours. That is, the color screen phones will
turn off the backlight and screen, and the black-and-white screen phones will only turn off the
backlight. Image persistence may be caused on LCD if power saving is disabled.