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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
144
Handset Firmware Upgrade Configuration
The following table lists the parameters you can use to upgrade handset firmware.
Parameter
over_the_air.url <y0000000000xx>.cfg
Description
It configures the access URL of the handset firmware file.
Note: The priority of parameter “over_the_air.url is lower than “over_the_air.url.w56h”/over_the_air-
.url.w53h/“over_the_air.url.w52h”.
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
Settings > Upgrade > Select and update handset firmware.
Parameter
over_the_air.url.w56h <y0000000000xx>.cfg
Description
It configures the access URL of the W56H handset firmware file.
Note: The priority of parameter “over_the_air.url.w56h” is higher than “over_the_air.url”.
Permitted
Values
URL within 511 characters
Default
Blank
Parameter
over_the_air.url.cp930w <y0000000000xx>.cfg
Description
It configures the access URL of the CP930W phone firmware file.
Note: The priority of parameter “over_the_air.url.cp930w is higher than “over_the_air.url”.
Permitted
Values
URL within 512 characters
Default
Blank
Parameter
over_the_air.handset_tip <y0000000000xx>.cfg
Description
It enables or disables to pop up a tip when upgrading the handset firmware from the provisioning
server.
Note: It works only if “over_the_air.base_trigger” and “over_the_air.handset_trigger” are set to 0 (Dis-
abled).
Permitted
Values
0-Disabled
1-Enabled, the handset will pop up the message “Handset has a new firmware, update now?”.
Default
1
Supported
Devices
All handsets except DD phones
Parameter
over_the_air.handset_trigger <y0000000000xx>.cfg
Description
It enables or disables to upgrade the handset firmware compulsively when the handset is registered
to a phone or turned on successfully.
It is only applicable when the current handset firmware is different from the one on the provisioning
server.
Permitted
Values
0-Disabled, if “over_the_air.handset_tip is set to 1 (Enabled), it will pop up a tip on the handset to
notify the user of firmware upgrade. If “over_the_air.handset_tip is set to 0, you may go to Settings >
Upgrade Firmware on the handset to trigger the upgrading manually.
1-Enabled, it will upgrade the handset firmware compulsively without a pop-up tip on the handset.

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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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