Yealink SIP-T43U 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-T43U Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Wall mountable	Yes
Sustainability certificates	REACH, RoHS
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Power consumption (typical)	2.2 W
Bluetooth version	4.1
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP/TFTP/HTTP/HTTPS, IPv6, LLDP/CDP/DHCP VLAN
USB 2.0 ports quantity	2
Lines quantity	12 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
Voice codecs	AGC, AJB, AMR-NB, AMR-WB, G.711Mu, G.711a, G.723.1, G.726, G.729ab, OPUS, PLC, VAD, iLBC
Number of handles included	1 pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	3.7 \
Display resolution	360 x 160 pixels
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	206.2 mm
Width	224.9 mm
Height	174.9 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm