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YEALINK Optima HD, Dual USB Port, 12 SIP Account IP Phone SIP-T43U

YEALINK Optima HD, Dual USB Port, 12 SIP Account IP Phone SIP-T43U

Regular price 406,200.00 TZS
Regular price Sale price 406,200.00 TZS
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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.

Sound and Hear with Remarkable Clarity

Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. 

Efficient Deployment and Management

Yealink T4U series supports effortless mass deployment and Zero Touch Provisioning with Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism, making the device management labor-saving and efficient for the administrators.


  • User Interface Features: 3.7" screen with backlight
  • Audio Features: Optima HD voice with Acoustic Shield and Smart Noise Filtering
  • Basic Features: Up to 12 SIP accounts, PoE support, Stand with two adjustable angles, wall mountable
  • Advanced Features: Wi-Fi via WF40/WF50, Bluetooth via BT41, Support expansion modules, Support USB recording
  • Connectivity: Dual USB ports, dual-port Gigabit Ethernet, Headset, EHS support


Audio Features

  • HD voice: HD handset, HD speaker
  • Hearing aid compatible (HAC) handset: Yes
  • Acoustic Shield: Yes
  • 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
  • Speakerphone: Full-duplex hands-free speakerphone with AEC
  • Format: VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
  • Accounts: 12 VoIP accounts
  • Call hold, mute, DND: Yes
  • One-touch speed dial, hotline: Yes
  • Call forward, call waiting, call transfer: Yes
  • Group listening, SMS, emergency call: Yes
  • Redial, call return, auto answer: Yes
  • Local 5-way conferencing: Yes
  • Direct IP call without SIP proxy: Yes
  • Ring tone selection/import/delete: Yes
  • Set date time manually or automatically: Yes
  • Dial plan: Yes
  • USB Ports: Dual USB ports (2.0 compliant)
  • XML Browser, action URL/URI: Yes
  • Bluetooth earphone: Through BT40/BT41
  • Contact synchronization: Through BT40/BT41
  • Wi-Fi through: WF40/WF50
  • USB call recording through: USB flash drive
  • USB headset: Yes
  • Expansion Module: EXP43 - Wireless Headset Adapter EHS40
  • Enhanced DSS Key: Yes 
  • Local phonebook: Up to 1000 entries
  • Black list: Yes
  • XML/LDAP remote phonebook: Yes
  • Smart dialing: Yes
  • Phonebook search/import/export: Yes
  • Call history: dialed/received/missed/forward

IP-PBX Features

  • Busy Lamp Field (BLF), Bridged Line Appearance (BLA)
  • Anonymous call, anonymous call rejection
  • Hot-desking, voice mail
  • Flexible seating
  • Call park, call pickup
  • Executive and Assistant
  • Centralized call recording
  • Visual voice mail
  • Call recording
Display & Indicator
  • Display: 3.7” 360x160-pixel graphical LCD with backlight 
  • LED: For call and message waiting indication
  • LED Color: Dual-color (red or green) illuminated LEDs for line status information
  • Intuitive user interface with icons and soft keys: Yes
  • Multilingual user interface: Yes
  • Caller ID:  With name and number
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, redial, mute, hands-free speakerphone
  • 4 context-sensitive soft keys: Yes
  • Navigation: 6 navigation keys
  • Volume: 2 Volume control keys
  • Illuminated mute key: Yes
  • Illuminated headset key: Yes
  • Illuminated hands-free speakerphone key: Yes
  • 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
Power & Dimensions
  • Power Input & output: 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
  • Dimensions (W*D*H*T): 224.9mm*206.2mm*174.9mm*52mm
  • Configuration: Browser/phone/auto-provision
  • Auto provision: Via FTP/TFTP/HTTP/HTTPS for mass deploy and also with PnP
  • Zero-sp-touch, TR-069: Yes
  • Lock: Phone lock for personal privacy protection
  • Management: Broadsoft device management
  • Zero-sp-touch: TR-069
  • Locking: Phone lock for personal privacy protection
  • Package tracing export, system log: Yes
Network & Security
  • SIP v1 (RFC2543), v2 (RFC3261)
  • Call server redundancy supported: Yes
  • NAT traversal: STUN mode
  • Modes: Proxy mode and peer-to-peer SIP link mode
  • IP assignment: static/DHCP
  • Web: HTTP/HTTPS web server
  • Time and date synchronization using SNTP: Yes
  • UDP/TCP/DNS-SRV (RFC 3263): Yes
  • QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
  • SRTP for voice: Yes
  • Transport Layer Security (TLS 1.3): Yes
  • HTTPS certificate manager: Yes
  • AES encryption for configuration file: Yes
  • OpenVPN, IEEE802.1X: Yes
  • IPv6: Yes
Package Contents
  • Handset with handset cord, Ethernet Cable (2m CAT5E UTP Cable) ,Stand, Quick Start Guide
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    Shipping & Delivery

    • Dispatch time: IN-STOCK products are usually dispatched in 2-6 hours after receiving order
    • Delivery period in Dar es Salaam: Usually Dar es Salaam orders are delivered same working day, unless there is a delay in compiling the order which might move the delivery to next working day
    • Delivery period for Up-country Tanzania and rest of Africa: Up-country orders within Tanzania take 2-3 days to be delivered, while orders from other countries in Africa may take 2-5 days to be delivered depending on your location. Please click here to check exact delivery times


    • Cash on Delivery C.O.D: Only available for orders below Tshs. 500,000/- in Dar es Salaam.
    • Pre-payment methods: Debit/credit card, Selcom, M-pesa, Tigo Pesa, Airtel Money, Bank T.T. For more details on our payment methods please click here