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Yealink SIP-T43U Administrator's Guide

Yealink SIP-T43U
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Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
132
Default
1
Supported
Devices
W53H, W56H, CP930W
Handset UI
W56H/W53H:
OK > Settings > Audio > Advisory Tones > Low Battery
CP930W:
Menu > Settings > Basic Settings > Sound > Low Battery
Base PIN
To avoid unauthorized registration or access to some features on the handset, you should keep the base PIN
secret.
You can change the base PIN for security.
Topic
Base PIN Configuration
Base PIN Configuration
The following table lists the parameters you can use to configure the base PIN.
Parameter
base.pin_code <y0000000000xx>.cfg
Description
It configures the base PIN.
Permitted
Values
Integer from 0000 to 9999
Default
0000
Web UI
Security > Base PIN > Base Unit PIN
Handset UI
W53H/W56H:
OK > Settings > System Settings > Change Base PIN
DD Phone:
Menu > Settings > Advanced Settings (default password: 0000) > Change Password
CP930W:
Menu > Settings > Advanced Settings (default PIN: 0000) > Change PIN
Phone UI
T57W/T54W:
Menu > DECT Settings > Change Base PIN
T53W/T53:
Menu > Settings > DECT Settings > Change Base PIN
Parameter
base.double_pin_code.enable <y0000000000xx>.cfg
Description
It enables or disables double PIN feature.
Permitted
Values
0-Disabled, users use the PIN configured by "base.pin_code" to register the handset or access some
features.
1-Enabled, users use the PIN configured by "base.pin_code_for_register" to register the handset, and

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Yealink SIP-T43U Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorGray
Wall mountableYes
Sustainability certificatesREACH, RoHS
AC adapter input voltage100 - 240 V
AC adapter output current1.2 A
AC adapter output voltage5 V
Power consumption (typical)2.2 W
Bluetooth version4.1
Networking standardsIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsFTP/TFTP/HTTP/HTTPS, IPv6, LLDP/CDP/DHCP VLAN
USB 2.0 ports quantity2
Lines quantity12 lines
Phonebook capacity1000 entries
Number of VoIP accounts12
Voice codecsAGC, AJB, AMR-NB, AMR-WB, G.711Mu, G.711a, G.723.1, G.726, G.729ab, OPUS, PLC, VAD, iLBC
Number of handles included1 pc(s)
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Display diagonal3.7 \
Display resolution360 x 160 pixels
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth206.2 mm
Width224.9 mm
Height174.9 mm
Package depth223 mm
Package width246 mm
Package height120 mm

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