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Yealink SIP-T43U Administrator's Guide

Yealink SIP-T43U
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Audio Features
148
Touch Tone
If you enable touch tone and tap the keys (except the off-hook key), the phone will produce a sound when it is not
on the dialing/pre-dialing screen and not in a call.
It is only applicable to CP920 phones.
Topic
Touch Tone Configuration
Touch Tone Configuration
The following table lists the parameter you can use to configure the touch tone.
Parameter
features.touch_tone <y0000000000xx>.cfg
Description
It enables or disables the touch tone.
Permitted
Values
0-Disabled
1-Enabled, when you tap the keys (except the Off-hook key), the phone will produce a sound when it
is not on the dialing/pre-dialing screen and not in a call.
Default
1
Supported
Devices
CP920
Web UI
Features > Audio > Touch Tone
Ring Tones
Ring tones are used to play for incoming calls. You can select a built-in ring tone or a custom ring tone for the
phone system or specific line registration. To set the custom ring tones, you need to upload the custom ring tones to
the IP phone in advance.
You can also specify a period of time after which the phone will stop ringing if the call is not answered.
Topics
Custom Ringtone Limit
Ringtone Configuration
Custom Ringtone Limit
The ring tone format must meet the following:
Phone Model Format Single File Size
T57W/T54W/T48U/T48S/T46U/T46S .wav <=8MB
T48G/T46G/T29G .wav
<=8MB (2.4MB of space should be
reserved for the phone)
T53W/T53/T43U/T42U/T42S/T41S/T42G/T41P/T40P/T40G
/T27G/T23P/T23G/T21(P) E2/T19(P) E2/CP920
.wav <=100KB
Note: The ring tone file must be in PCMU/PCMA audio format, mono channel, 8K sample rate, and 16-bit resolution.

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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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