Yealink SIP-T53W Administrator's Guide

Phone Customization
199
Settings > Preference > Upload Wallpaper > System Wallpaper
Other Phones:
Settings > Preference > Wallpaper
Phone UI
Menu > Basic > Display > Wallpaper
Parameter
expansion_module.backgrounds <y0000000000xx>.cfg
Description
It configures the wallpaper displayed on the connected EXP50 expansion module of the phone.
Permitted
Values
T57W/T54W/T53W/T53:
Default-exp50.jpg, 01-exp50.jpg, 02-exp50.jpg, 03-exp50.jpg, 04-exp50.jpg, 05-exp50.jpg, 06-
exp50.jpg, 07-exp50.jpg, 08-exp50.jpg, 09-exp50.jpg or 10-exp50.jpg or custom wallpaper name (for
example, wallpaper.jpg)
T48U/T46U/T43U:
Default-exp.jpg, 01-exp.jpg, 02-exp.jpg, 03-exp.jpg, 04-exp.jpg, 05-exp.jpg or custom wallpaper name
(for example, wallpaper.jpg)
Default
T57W/T54W/T53W/T53:
Default-exp50.jpg
T48U/T46U/T43U:
Default-exp.jpg
Supported
Devices
T57W, T54W, T53W, T53, T48U, T46U, T43U
Web UI
Settings > Preference > Upload Wallpaper > System Expansion Wallpaper
Phone UI
T57W/T54W/T48U/T46U:
Menu > Basic > Display > EXP Wallpaper > Wallpaper
Parameter
phone_setting.backgrounds_with_dsskey_unfold <y0000000000xx>.cfg
Description
It configures the wallpaper displayed on the phone when the DSS key list is unfolded.
Permitted
Values
T57W/T48S/T48G:
Auto, Default.jpg, 01.jpg, 02.jpg, 03.jpg, 04.jpg, 05.jpg, 06.jpg, 07.jpg, 08.jpg, 09.jpg or 10.jpg or
uploaded custom wallpaper name (for example, wallpaper.jpg)
T48U:
Auto, Default.jpg, 01.jpg, 02.jpg, 03.jpg, 04.jpg, 05.jpg or uploaded custom wallpaper name (for
example, wallpaper.jpg)
Default
Auto
(use the wallpaper configured by the parameter “phone_setting.backgrounds”)
Supported
Devices
T57W, T48U, T48S, T48G
Web UI
Settings > Preference > Wallpaper with Dsskey Unfold
Phone UI
Menu > Basic > Display > Dsskey Wallpaper
Wallpaper Customization
You can configure a custom picture, such as company logo, and then upload the custom picture to the IP phone that
users can choose from when changing the wallpaper for the phone idle screen, expansion module or Dsskey
screen.

Yealink SIP-T53W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP mobile phone
Product color	Gray
Keypad illumination	Yes
Wi-Fi standards	802.11a, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.2
Security algorithms	AES, HTTPS, SIPS
Networking standards	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	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Power consumption (typical)	2.3 W
Volume control	Buttons
Number of programmable keys	8
Storage temperature (T-T)	-30 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	3.7 \
Display resolution	360 x 160 pixels
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Number of DECT wireless handsets	4
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC

Weight and Dimensions

Depth	210.6 mm
Width	212 mm
Height	174.5 mm