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Yealink SIP-T44U

Yealink SIP-T44U

Well-rounded SIP office phone

Brand
Yealink
Series
T4 Series
Model
SIP-T44U
Status
Current
Documents
36 manuals & files
Knowledge base
308 articles

Overview

About the Yealink SIP-T44U

The new Yealink T4U series offers a modern and elegant appearance, along with improvements for greater interoperability and better collaboration.

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

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

The 4.3-inch color screen expansion module is designed to offer advanced call handling capabilities with its simplified user interface and up to 60 programmable keys for various features.

Seamlessly compatible with Yealink wireless/wired USB headsets, it meets the needs of users with large call volumes or headset preferences, making it ideal for call centers or administrative assistants.

With the optional USB dongles, the T44U can be enabled with features including Bluetooth and Wi-Fi or can connect to a compatible wireless headset.

CommunicationsThe SIP-T44U IP phone is a feature-rich business tool for excellent communications and extended functionality. Integrated with Hall Switch, T44U gives you a quieter operation and environment. It is a 12-line IP phone that comes with a 2.8-inch color display with backlight and the EXP43 support.

Key features

  • CommunicationsThe SIP-T44U IP phone is a feature-rich business tool for excellent communications and extended functionality. Integrated with Hall Switch, T44U gives you a quieter operation and environment. It is a 12-line IP phone that comes with a 2.8-inch color display with backlight and the EXP43 support.
  • 2.8” 320x240-pixel color LCD with backlight
  • Dual USB ports
  • Dual firmware images
  • T4U Auto-P template unified
  • T4U firmware unified
  • Up to 12 SIP accounts
  • USB headset and EHS support
  • Wi-Fi via WF40/WF50
  • Bluetooth via BT40/BT41/BT51
  • Supports color-screen expansion modules
  • Stand with 2 adjustable angles
  • Wall mountable
  • Handset with hall switch2.8-inch ScreenOptima HD VoiceDual USB PortsAcoustic ShieldUnified FirmwareGigabitExpansion Module

Specifications

SIP-T44U technical specifications

  • HD voice: HD handset, HD speaker
  • Hearing aid compatible (HAC) handset
  • Acoustic Shield
  • Smart Noise Filtering
  • Wideband codec: AMR-WB (optional), G.722
  • Narrowband codec: AMR-NB (optional), PCMU (G.711μ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, 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

  • 12 VoIP accounts
  • One-touch speed dial, redial
  • Call forward, call waiting, call transfer, call hold
  • Call return, group listening
  • Emergency call
  • Mute, DND
  • Auto answer
  • Hoteline
  • 5-way conference call
  • Direct IP call without SIP proxy
  • Ring tone selection/import/delete
  • Set the date and time manually or automatically
  • Dial Plan, XML Browser, Action URL/URI
  • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
  • Dual USB ports (2.0 compliant)
  • Bluetooth headset through BT40/BT41/BT51- Support Yealink Bluetooth headset BH71/BH71 Workstation/-BH71 Workstation Pro/BH72/BH76/UH38 through BT51
  • DECT wireless headset (Yealink WH62 Portable/WH63 Portable)
  • Contact synchronization through BT40/BT41/BT51
  • Simultaneous connection of one headset and one mobile phone through BT40/BT41/BT51
  • Wi-Fi through WF40/WF50
  • USB call recording through a USB flash drive
  • USB headset
  • Expansion Module EXP43
  • Wireless Headset Adapter EHS40
  • USB/Bluetooth connectivity to Yealink CP900/CP700 speakerphone/wireless headset UH38, USB connectivity to Yealink wired headset UH34/UH36/UH37
    • Basic functions: Answer/end, call mute
    • Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple calls control
  • Enhanced DSS key

Documents

SIP-T44U manuals & downloads

Datasheets, user and admin guides, quick start guides and deployment files, downloaded directly from Yealink.

Firmware

SIP-T44U firmware & release notes

Newest first. Check your phone’s current version under Menu → Status before upgrading, and update one phone before a whole office.

Knowledge base

SIP-T44U how-to articles

308 articles from Yealink’s knowledge base, grouped by topic. Articles open on support.yealink.com.
Call Features39See all 39 articles
Audio Features18See all 18 articles
Bluetooth17See all 17 articles
Customize Your Phone16See all 16 articles
Directory and Call Log16See all 16 articles
Auto Provisioning Guide14See all 14 articles
Network Configurations14See all 14 articles
Advanced Features13See all 13 articles
Phone Customization13See all 13 articles
Security Features13See all 13 articles
System Applications for VP59, T58A, T58W, T88W (Pro), T88V Pro12See all 12 articles
Advanced Call Features11See all 11 articles

Need help with your SIP-T44U?

The Tech Team™ can provision, update and troubleshoot your Yealink phones, and move your office onto smplVoice cloud voice.

Yealink and Yealink product names are trademarks of Yealink Network Technology Co., Ltd. Product information, images and documents are published by Yealink (source) and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.