Yealink SIP-T43U IP phone

Yealink SIP-T43U. Product type: IP Phone, Product colour: Grey, Handset type: Wired handset. Dual-Tone Multi-Frequency (DTMF) modes: In-band, Out-of band, SIP info. Lines quantity: 12 lines, Phonebook capacity: 1000 entries. Display: LCD, Display diagonal: 9.4 cm (3.7"), Display resolution: 360 x 160 pixels. Voice codecs: AGC, AJB, AMR-NB, AMR-WB, G.711Mu, G.711a, G.723.1, G.726, G.729ab, OPUS, PLC, VAD, iLBC

A Well-Rounded SIP Phone for Clear Communications
The SIP-T43U IP phone is a feature-rich business tool for excellent communications and extended functionality. It is a 12-line IP phone that comes with a 3.7-inch large black-and-white screen and the EXP43 support. United Yealink Optima HD Voice technology and wideband codec of Opus, the T43U awards you the superb audio quality and crystal-clear voice communications. The phone feels quicker and more responsive when performing call features. Moreover, the T43U puts dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use any two of them freely according to your needs. The Yealink new T4U series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration.

Easy Customization and High Expansibility
Accompanied by two USB ports, the T43U is your right-hand man in the office that makes Bluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freely according to your needs to enrich phone features. Meanwhile, the phone not only has three pages of flexible buttons that can be easily programmed with 21 paperless DSS keys at most, but also can connect up to three expansion modules, for up to 180 additional buttons with a screen-based LCD display and LED system.

HD Audio
Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. Being a totally open, highly versatile audio codec, Opus, is designed to perform a higher HD audio quality than other wideband codecs in a high network bandwidth; However, if your current network quality is poor, Opus can provide you with a better audio quality than other narrowband codecs. And its hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly.

Efficient Installation and Provisioning
Yealink T4U series supports efficient provisioning and effortless mass deployment with Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero Touch Provisioning without any complex manual settings, which makes the T4U series simple to deploy, easy to maintain and upgrade. Furthermore, a unified firmware and auto-p template that applies to all T4U phone models, saves even more time and costs for businesses, as well as simplifies the management and maintenance.

Secure Transport and Interoperability
Yealink T4U series uses SIP over Transport Layer Security (TLS/SSL), which is the latest network security technology. It's also compatible with leading soft switch suppliers, such as 3CX, Broadsoft Broadworks. Moreover, it is carried with dual fimrware images that gives you a enterprise-level protection to avoid bricking your system once upgrade failed.

Design

Product type: IP Phone
Handset type: Wired handset
Product colour: Grey
Feature: Wall mountable
Mounting: Desk/Wall

Performance

Dual-Tone Multi-Frequency (DTMF) modes: In-band, Out-of band, SIP info
Hearing aid compatibility: Yes

Phone features

Lines quantity: 12 lines
Feature: Answering machine
Feature: Call waiting
Feature: Speed dialling
Feature: Call hold
Feature: Call forwarding
Feature: Caller ID
Phonebook capacity: 1000 entries
Number of VoIP accounts: 12
Feature: Conference call
Feature: Redialing
Feature: Anonymous call
Feature: Anonymous call rejection
Feature: Full duplex
Feature: Call return
Feature: Call transfer
Feature: Call history
Feature: SIP registrar server

Management features

Feature: Plug and Play

Display

Display: LCD
Display diagonal: 9.4 cm (3.7")
Display resolution: 360 x 160 pixels
Feature: Backlight display

Audio

Feature: Speakerphone
Feature: Microphone mute
Voice codecs: AGC, AJB, AMR-NB, AMR-WB, G.711Mu, G.711a, G.723.1, G.726, G.729ab, OPUS, PLC, VAD, iLBC
Feature: Comfort noise generation (CNG)
Feature: Packet loss concealment (PLC)

Network

Feature: Ethernet LAN
Ethernet LAN interface type: Gigabit Ethernet
Ethernet LAN data rates: 10,100,1000 Mbit/s
Feature: Wi-Fi
Feature: Bluetooth
Bluetooth version: 4.1
Supported network protocols: FTP/TFTP/HTTP/HTTPS, IPv6, LLDP/CDP/DHCP VLAN
Feature: Quality of Service (QoS) support
Feature: DHCP client
Feature: Syslog
Networking standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af

Ports & interfaces

USB 2.0 ports quantity: 2
Ethernet LAN (RJ-45) ports: 2
RJ-9 ports quantity: 2
Feature: Expansion module support
Feature: DC-in jack

Certificates

Feature: Sustainability compliance
Compliance certificates: REACH, RoHS

Power

Feature: Power over Ethernet (PoE)
AC adapter input voltage: 100 - 240 V
AC adapter output voltage: 5 V
AC adapter output current: 1.2 A
Power consumption (typical): 2.2 W

Operational conditions

Operating temperature (T-T): -10 - 50 °C
Operating relative humidity (H-H): 10 - 95%

Weight & dimensions

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

Packaging content

Feature: Mounting kit
Feature: Ethernet cable
Handset: Yes
Feature: Quick start guide
Number of handles included: 1 pc(s)

Logistics data

Harmonized System (HS) code: 85171800