Yealink SIP-T57W Administrator's Guide

Phone Customization
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If it is set to 0 and “features.power_saving.power_led_flash.off_time” is not set to 0, the power LED
indicator will be off when the phone enters the power-saving mode.
Permitted
Values
0, Integer from 100 to 10000
Default
500
Supported
Devices
All color screen phones
Web UI
Features > Power LED > Power Saving Light Time
Parameter
features.power_saving.power_led_flash.off_time <y0000000000xx>.cfg
Description
It configures the period of time (in milliseconds) when the power LED indicator is off in the power-sav-
ing mode.
If it is set to 0, the power LED indicator will be on when the phone enters the power-saving mode.
Permitted
Values
0, Integer from 100 to 10000
Default
3000
Supported
Devices
All color screen phones
Web UI
Features > Power LED > Power Saving Dark Time
Search Source List in Dialing
The search source list in dialing allows you to search entries from the source list when the phone is on the pre-dial-
ing/dialing screen. You can select the desired entry to dial out quickly.
The following shows search results displayed on T46S/G phones:
The search source list can be configured using a supplied super search template file (super_search.xml).
Topics
Search Source File Customization
Search Source List Configuration
Search Source File Customization
You can ask the distributor or Yealink FAE for super search template. You can also obtain the super search tem-
plate online: http://support.yealink.com/documentFront/forwardToDocumentFrontDisplayPage.
Topics
Search Source File Attributes
Customizing Search Source File

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