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Yealink SIP-T44U

Yealink SIP-T44U

The Yealink SIP-T44U is a feature-rich business IP phone designed for clear, reliable & efficient VoIP communication. With a 2.8-inch colour display, 12 SIP accounts & Optima HD Voice technology, the T44U delivers crystal-clear audio for professional conversations. Acoustic Shield & Smart Noise Filtering help reduce unwanted background noise, while the full-duplex speakerphone supports comfortable hands-free calling. Dual Gigabit Ethernet ports & Power over Ethernet (PoE) make the Yealink T44U easy to deploy in modern offices and business phone systems.

Built for flexibility, the Yealink SIP-T44U features dual USB ports for compatible Bluetooth & DECT headsets, Wi-Fi, USB call recording & EXP43 expansion module. It also supports advanced call management features including call transfer, call forwarding, call waiting, call park, BLF, voicemail & five-way conferencing. With strong network security, auto-provisioning & extensive compatibility with IP-PBX platforms, the T44U is an excellent choice for businesses in Ireland.

Key Features and Benefits:

• 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
€ 154.00 € 154.00 (Tax excluded)
€ 154.00 (Tax excluded)

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Audio FeaturesDisplay and IndicatorPhone FeaturesIP-PBX FeaturesDirectoryFeature keysInterfaceManagementNetwork and SecurityOther Physical FeaturesPackage Features

Audio Features

• 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

Display and Indicator

• 2.8” 320x240-pixel color 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

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, 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


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

Directory

• Local phonebook up to 1000 entries

• Blocklist

• XML/LDAP remote phonebook

• Smart dialing

• 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 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 3

• 1 x RJ9 (4P4C) handset port

• 1 x RJ9 (4P4C) headset port

• 2 x USB port (2.0 compliant)


Management

• Configuration: browser/phone/auto-provision

• Auto provision via FTP/TFTP/HTTP/HTTPS for mass deployment

• Auto-provision with PnP

• 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 1.3)

• HTTPS certificate manager

• AES encryption for configuration file (AES256)

• Digest authentication

• OpenVPN, IEEE802.1X, L2TP VPN

• IPv6

• LLDP/CDP/DHCP VLAN

• ICE

• WPA2/WPA3

• Secure boot

• GARP (Generic Attribute Registration Protocol)


Other Physical Features

• Colour: Classic Grey

• Stand with 2 adjustable angles

• Wall mountable

• External Yealink AC adapter: AC 100-240 V input and DC 5 V/1.2 A output

• USB output currency: 5 V 500 mA

• Power consumption (PSU): 1.7 W - 4.1 W

• Power consumption (PoE): 2.0 W - 4.9 W

• Dimension (W*D*H*T): 215 × 206 × 174.9 × 52 mm

• Operating humidity: 10~95%

• Operating temperature: -10 to +45°C (+14 to 113°F)

• Storage temperature: -30 to +70°C (-22 to +158°F)


Package Features

• Package content:

- Yealink SIP-T44U IP phone

- Handset with handset cord

- Ethernet Cable (optional)

- Stand (not applicable to US wall plate Standard)

- Quick Start Guide

- Power Adapter

• Qty/CTN: 5PCS

• N.W/CTN: 5.764 kg

• G.W/CTN: 6.352 kg

• Giftbox size: 239 × 223 × 115 mm

• Carton Meas: 595 × 230 × 248 mm

Frequently Asked Questions


The Yealink SIP-T44U is a professional yealink sip phone designed for clear, reliable VoIP communication in business environments. It features a 2.8-inch colour display, HD voice, Acoustic Shield, Smart Noise Filtering and support for up to 12 SIP accounts. With advanced call-handling capabilities and dual Gigabit Ethernet ports, it is well suited to modern business communications.

Yes. The Yealink SIP-T44U is designed to work as part of modern business phone systems and professional VoIP deployments. It supports features such as call transfer, call forwarding, call waiting, call park, voicemail, Busy Lamp Field (BLF) and five-way conferencing, making it suitable for receptionists, office staff, managers and teams handling frequent calls.

Yes, the T44U can be deployed with compatible ip phone system and IP-PBX platforms using SIP technology. It supports SIP v1 and v2, direct IP calling, NAT traversal and several network protocols. Its auto-provisioning capabilities also make it practical for businesses deploying multiple phones across an office or larger organisation.

The Yealink SIP-T44U is suitable for compatible voip phone systems ireland businesses use, provided the VoIP service or hosted PBX supports the phone's SIP configuration. It offers up to 12 VoIP accounts, dual Gigabit Ethernet, PoE and extensive IP-PBX functionality, giving businesses flexibility when building or upgrading their communications infrastructure.

The T44U provides a range of features designed to improve everyday business calling. These include HD voice, full-duplex hands-free calling, Acoustic Shield, Smart Noise Filtering, five-way conferencing, call transfer, call forwarding, call waiting, call hold and one-touch speed dial. It also includes an extensive 1,000-entry local phonebook and support for programmable DSS keys, making the voip phone useful for busy office users.

Yes. The T44U has two USB 2.0 ports that support compatible Bluetooth and DECT wireless headsets, USB headsets, Wi-Fi adapters and USB call recording. It can also work with the Yealink EXP43 expansion module. This gives businesses additional flexibility when configuring a yealink voip phone for reception desks, customer service teams or users who spend much of their day on calls.

The Yealink SIP-T44U is a strong option for businesses looking for a reliable ip office phone with advanced features and flexible connectivity. It supports up to 12 SIP accounts, dual Gigabit Ethernet, Power over Ethernet (PoE), programmable keys, HD audio and a wide range of IP-PBX features. Its auto-provisioning and security features can also help simplify deployment as your phone systems for businesses grow.

Real Stories, Real Success


Rating

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Rating

The team at Pulse Telecom are so nice to deal with, professional and efficient. We have an ongoing need for interacting with them for our clients and they are very helpful. I would highly recommend the Pulse Telecom Voip service for reliability, customer support and value. Looking forward to working with Anthony, Philip and the team going forward.

Eamonn John Flynn
Eamonn Flynn of TaxAssist Accountants

Rating

Switching to Pulse Telecom was a game-changer for our office operations. We were struggling with dropped calls and lagging hardware, but their team stepped in and streamlined our entire communication stack. The transition was seamless, the call quality is crystal clear, and their support team actually answers the phone when you need them. It’s rare to find a provider that balances cutting-edge tech with such a human touch.

Martin Jenkinson
Customer

Rating

We are using Pulse Telecom for our office phone system needs and I would highly recommend their services. We have a number of remote working staff in different departments and everything ties in seamlessly.

Colm Murphy
Customer

Rating

Anthony and his Pulse Telecom team are responsive and make it very easy to understand how they work, they have good technical backup and are always offering new and innovative ways to make our business work better, i would have no problem recommending them to any business looking to improve their communications system.

Stephen Finlan
Customer

Rating

My company, Robertson Estates, Donabate,  has been dealing with Pulse Telecom for the handling of our phone system for many years. In that time I found them easy to deal with and there service is second to none while also offering great value for money.

Doug Robertson
Owner of Robertson Estates

Rating

Really great experience dealing with Pulse Telecom. Excellent service, good value for money, and super friendly customer support. Really appreciate all the help!

Ideal House
Customer

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