Yealink SIP-T43U T4U Series Desktop IP Phone

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.

Key Features

• 3.7" 360x160-pixel graphical LCD with backlight
• Dual USB ports
• Dual firmware images
• Opus codec support
• T4U Auto-P template unified
• T4U firmware unified
• Up to 12 SIP accounts
• PoE support
• USB headset and EHS support
• Wi-Fi via WF40/WF50
• Bluetooth via BT40/BT41
• Supports color-screen expansion modules
• Stand with 2 adjustable angles
• Wall mountable

Technical Specifications

Audio Features
HD voice: HD handset, HD speaker
Hearing aid compatible (HAC) handset
Acoustic Shield
Wideband codec
AMR-WB (optional), Opus, G.722
Narrowband codec
AMR-NB (optional), Opus, G.711(A/µ), G.723.1, G.729AB, G.726, iLBC
DTMF
In-band, Out-of-band (RFC 2833) and SIP INFO
Full-duplex hands-free speakerphone with AEC
VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
12 VoIP accounts
One-touch speed dial, redial Call forward, call waiting, call transfer, call hold
Call return, group listening, emergency call
Mute, auto answer, DND, hotline
5-way conference call
Direct IP call without SIP proxy
Ring tone selection/import/delete
Set date time manually or automatically
Dial Plan, XML Browser, Action URL/URI
RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
Dual USB ports (2.0 compliant)
Bluetooth earphone through BT40/BT41
Contact synchronization through BT40/BT41
Wi-Fi through WF40/WF50
USB call recording through USB flash drive
USB headset
Expansion Module EXP43
Wireless Headset Adapter EHS40
Enhanced DSS key
Directory
Local phonebook up to 1000 entries
Black list
XML/LDAP remote phonebook
Smart dialing
Phonebook search/import/export
Call history: dialed/received/missed/forwarded
IP-PBX Features
Busy Lamp Field (BLF), Bridged Line Appearance (BLA)
Anonymous call, anonymous call rejection
Hot-desking, voice mail
Flexible seating, Executive and Assistant
Call Park, call pickup
Centralized call recording, call recording
Visual voice mail
Display and Indicator
3.7” 360x160-pixel graphical LCD with backlight
LED for call and message waiting indication
Dual-color (red or green) illuminated LEDs for line status information
Intuitive user interface with icons and soft keys
Multilingual user interface
Caller ID with name and number
Power saving
Feature keys
8-line keys with LED
8-line keys can be programmed up to 21 paperless
DSS keys (3-page view)
5 features keys: message, headset, mute, redial,
hands-free speakerphone
4 context-sensitive “soft” keys
6 navigation keys
2 volume control keys
Illuminated mute key
Illuminated headset key
Illuminated hands-free speakerphone key
Interface
Dual-port Gigabit Ethernet
Power over Ethernet (IEEE 802.3af), Class 2
2 x USB port (2.0 compliant)
1 x RJ9 (4P4C) handset port
1 x RJ9 (4P4C) headset port
Other Physical Features
Color: Classic Grey
Stand with 2 adjustable angles
Wall mountable
External Yealink AC adapter (optional)
AC 100~240V input and DC 5V/1.2A output
USB output currency
5V 500mA
Power consumption (PSU)
0.9-2.2W
Power consumption (PoE)
1.5-3.2W
Dimension (W*D*H*T)
224.9mm*206.2mm*174.9mm*52mm
Operating humidity
10~95%
Operating temperature
10~50 Degrees C (+14~122 Degrees F)
Management
Configuration
Browser/phone/auto-provision
Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
Auto-provision with PnP
Broadsoft device management
Zero-sp-touch TR-069
Phone lock for personal privacy protection
Reset to factory, reboot
Package tracing export, system log
Network and Security
SIP v1 (RFC2543), v2 (RFC3261)
Call server redundancy supported
NAT traversal
STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment
Static/DHCP
HTTP/HTTPS web server
Time and date synchronization using SNTP
UDP/TCP/DNS-SRV (RFC 3263)
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
SRTP for voice
Transport Layer Security (TLS)
HTTPS certificate manager
AES encryption for configuration file
Digest authentication
OpenVPN, IEEE802.1X
IPv6
LLDP/CDP/DHCP VLAN
ICE
Package Features
Yealink SIP-T43U IP phone
Handset with handset cord
Ethernet Cable (2m CAT5E UTP Cable)
Stand
Quick Start Guide
Power Adapter (Optional)
Wall Mount Bracket (Optional)
Qty/CTN: 5 PCS
N.W/CTN: 6.0 kg
G.W/CTN: 6.6 kg
Giftbox size
246mm*223mm*120mm
Carton Meas
627mm*256mm*235mm