Yealink SIP-T43U IP Phone - No PSU

About the Yealink SIP-T34U

The New Generation T4U Series greatly improves Call Experience and Work Efficiency, with Dual USB Ports, Ultra HD Sound Quality, Faster Response Speed, and even more Advanced Features. The new T4U Series are a Powerful Assistant for any Modern Business.

The new Yealink SIP-T43U IP Phone is a feature rich business tool for excellent communication and extended functionality. It is a 12 Line IP Phone that comes with a 3.7 Inch Large Black and White Screen and it supports the EXP43 Expansion Module. United Yealink Optima HD Voice Technology and Wideband Codec of Opus ensures superb Audio Quality and Crystal Clear Voice Communications from the T43U.

The T43U feels quicker and more responsive when performing Call Features, all T4U models are equipped with Dual USB Ports, making Bluetooth, Wi-Fi and USB Recording even easier, use any two of them freely according to your needs, to enrich Phone Features.

The Yealink new T4U Series offers the same elegant appearance as the T4 Series, but with improvements for greater interoperability and better collaboration.

Key Features and Benefits:

Easy Customisation and High Expansibility

The SIP-T43U not only has 3 pages of Flexible Buttons that can be easily programmed with 21 paperless DSS keys at most, but also can connect up to 3 EXP43 Expansion Modules for up to 180 Additional Buttons with a screen-based LCD Display and LED System. Accompanied by two USB Ports, the T43U is your ideal choice for the Office - making 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.

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 anyone with hearing loss to hear the voice more clearly.

Efficient Installation and Provisioning

The 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 including 3CX and Broadsoft Broadworks. Moreover, it is carried with dual firmware images that gives an enterprise level protection.

Boost Productivity with New Powerful Chipsets

• Sleek Experience for Voice Communication
• Reliable System Stability
• Scalable for Future Expansions
• 5 Way Conferencing
• Optimised Operating Speed

Main Features

• 7 Inch - 360 x 160 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 VoIP Accounts
• PoE Support
• USB Headset, EHS Support
• Wi-Fi via WF40 / WF50
• Bluetooth via BT40 / BT41
• USB Recording
• Stand with Two Adjustable Angles
• Wall Mountable - Wall Mount Optional Accessory
• Supports EXP43 Colour Expansion Module

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
• Ringtone 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 Synchronisation Through BT40 / BT41, Wi-Fi Through WF40 / WF50, USB Call Recording Through USB Flash Drive, USB Headset, EXP43 Expansion Module, Wireless Headset Adapter EHS40
• Enhanced DSS Key

Directory

• Local Phonebook - Up to 1000 Entries
• Black List, Smart Dialing
• XML/LDAP Remote Phonebook
• Phonebook Search / Import / Export
• Call History - Dialed/ Received / Missed / Forwarded

Feature Keys

• 8 Line Keys with LED
• 8 Line Keys can be Programmed up to 21 Paperless DSS Keys (3 Page View)
• 5 Feature Keys - Message, Headset, Mute, Redial, Handsfree Speakerphone
• 4 Context Sensitive Soft Keys
• 6 Navigation Keys
• 2 Volume Control Keys
• Illuminated Mute Key
• Illuminated Headset Key
• Illuminated Hands-Free Speakerphone Key

IP PBX Features

• Busy Lamp Field (BLF)
• Bridged Line Appearance (BLA)
• Anonymous Call, Anonymous Call Rejection
• Hot Desking, Voicemail
• Flexible Seating, Executive and Assistant
• Call Park, Call Pickup, Visual Voicemail
• Centralised Call Recording, Call Recording

Display and Indicator

• 3.7 Inch 360 x 160 Pixel Graphical LCD with Backlight
• LED for Call and Message Waiting Indication
• Dual Colour (Red or Green) Illuminated LED's for Line Status Information
• Intuitive User Interface with Icons and Soft Keys
• Multilingual User Interface
• Caller ID with Name and Number
• Power Saving

Interface

• Dual Port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), Class 3
• 2 x USB Ports (2.0 Compliant)
• 1 x RJ9 (4P4C) Handset Port
• 1 x RJ9 (4P4C) Headset Port

Network and Security

• SIP v1 (RFC2543), v2 (RFC3261)
• NAT Traversal - STUN Mode
• Call Server Redundancy Supported
• Proxy Mode and Peer-to-Peer SIP Link Mode
• IP Assignment - Static DHCP
• HTTP/HTTPS Web Server
• Time and Date Synchronisation 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
• IPv6, ICE
• OpenVPN, IEEE802.1X
• LLDP/CDP/DHCP VLAN

Weight and Dimensions

• Weight - 1.25kg Approximately
• Dimensions - 224.9mm x 206.2mm x 174.9mm x 52mm (W x D x H x T)

Package Contents

• Yealink SIP-T43U IP Phone
• Handset with Handset Cord
• Ethernet Cable (2m CAT5E UTP Cable)
• Stand
• Quick Start Guide