Yealink SIP-T44U

Name: Yealink SIP-T44U Ultra-elegant Gigabit IP Phone
Brand: YEALINK
SKU: SIP-T44U
Availability: InStock

Ultra-elegant Gigabit IP Phone

The 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. United Yealink Optima HD Voice technology, the T44U awards you the superb audio quality and crystal-clear voice communications. The phone feels quicker and more responsive when performing call features. Moreover, the T44U 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. The T4U series better builds the Yealink ecosystem and is compatible with more Yealink headsets, supporting intelligent channel switching* and using the phone to configure and upgrade headset.

Features :

• 2.8” 320×240-pixel color LCD with backlight
Dual USB ports
Dual firmware images
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/BT51
Supports color-screen expansion modules
Stand with 2 adjustable angles
Wall mountable
Handset with hall switch

Specifications :

Description
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
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 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 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 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
Directory	• Local phonebook up to 1000 entries • Blocklist • 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	• 2.8” 320×240-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
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)
Other Physical Features	• Color: 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 (WDH*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)
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)
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