Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Supported
Devices
All phones except T19(P) E2
Web UI
Settings > Power Saving > Office Hour Idle TimeOut
Parameter
features.power_saving.off_hour.idle_timeout <y0000000000xx>.cfg
Description
It configures the time (in minutes) to wait in the idle state before phone enters power-saving mode dur-
ing the non-office hours.
Permitted
Values
Integer from 1 to 10
Default
10
Supported
Devices
All phones except T19(P) E2
Web UI
Settings > Power Saving > Off Hour Idle TimeOut
Parameter
features.power_saving.user_input_ext.idle_timeout <y0000000000xx>.cfg
Description
It configures the minimum time (in minutes) to wait in the idle state - after using the phone - before the
phone enters the power-saving mode.
Permitted
Values
Integer from 1 to 30
Default
10
Supported
Devices
All phones except T19(P) E2
Web UI
Settings > Power Saving > User Input Extension Idle TimeOut
Parameter
features.power_saving.office_hour.monday
features.power_saving.office_hour.tuesday
features.power_saving.office_hour.wednesday
features.power_saving.office_hour.thursday
features.power_saving.office_hour.friday
features.power_saving.office_hour.saturday
features.power_saving.office_hour.sunday
<y0000000000xx>.cfg
Description
It configures the start time and end time of the day’s office hour.
Start time and end time are separated by a comma.
Example:
features.power_saving.office_hour.monday = 7,19
Permitted
Values
Integer from 0 to 23, Integer from 0 to 23
Default
7,19 - for Monday, Tuesday, Wednesday, Thursday, Friday.
7,7 - for Saturday, Sunday.
Supported
Devices
All phones except T19(P) E2
Web UI
Settings > Power Saving > Monday/Tuesday/Wednesday/Thursday/Friday/Saturday/Sunday
Parameter
features.power_saving.power_led_flash.on_time <y0000000000xx>.cfg
Description
It configures the period of time (in milliseconds) when the power LED indicator is on in the power-sav-
ing mode.

Yealink SIP-T57W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Ethernet LAN	Yes
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithms	AES, HTTPS, MD5, SRTP
Networking standards	IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
Volume control	Buttons
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	7 \
Display resolution	800 x 480 pixels
Front camera	No
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, iLBC

Weight and Dimensions

Depth	220 mm
Width	259.4 mm
Height	211 mm