Yealink SIP-T43U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Common CFG File
Common CFG file, named <y0000000000xx>.cfg, contains parameters that affect the basic operation of the IP
phone, such as language and volume. It will be effective for all phones in the same model. The common CFG file
has a fixed name for each phone model.
The following table lists the name of the common CFG file for each phone model:
Phone Model Common CFG file
T57W y000000000097.cfg
T54W y000000000096.cfg
T53W/T53 y000000000095.cfg
T48U y000000000109.cfg
T48G y000000000035.cfg
T48S y000000000065.cfg
T46U y000000000108.cfg
T46G y000000000028.cfg
T46S y000000000066.cfg
T43U y000000000107.cfg
T42G y000000000029.cfg
T42S y000000000067.cfg
T42U y000000000116.cfg
T41P y000000000036.cfg
T41S y000000000068.cfg
T40P y000000000054.cfg
T40G y000000000076.cfg
T29G y000000000046.cfg
T27G y000000000069.cfg
T23P/G y000000000044.cfg
T21(P) E2 y000000000052.cfg
T19(P) E2 y000000000053.cfg
CP920 y000000000078.cfg
MAC-Oriented CFG File
MAC-Oriented CFG file, which is named after the MAC address of the IP phone. For example, if the MAC address of
an IP phone is 00156574B150, the name of MAC-Oriented CFG file is 00156574b150.cfg (lowercase). It contains
parameters unique to a particular phone, such as account registration. It will only be effective for a MAC-specific IP
phone.

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