Yealink SIP-T44U IP Phone - Corded Corded/Cordless Wi Fi VoIP 2.8" 2 x Network (RJ 45) PoE Ports

• IP Phone Technology:
  VoIP
  
• Handset Connectivity Technology:
  Corded
  
• Base Unit Connectivity Technology:
  Corded
  
• Caller ID:
  Yes
  
• Speakerphone:
  Yes
  

• Screen Type:
  LCD
  
• Screen Size:
  2.8"
  

• Network (RJ-45):
  Yes
  
• Number of Network (RJ-45) Ports:
  2
  
• USB:
  Yes
  
• PoE (RJ-45) Port:
  Yes
  

• Color Family:
  Gray
  
• Product Color:
  Classic Gray
  
• Form Factor:
  Wall Mountable
  
• Height:
  6.9"
  
• Width:
  8.9"
  
• Depth:
  8.1"
  

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.711), 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" 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
Feature keys
8 line keys with LED
8 line keys can be programmed up to 12 paperless DSS keys (4-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
Operating humidity: 10 to 95%
Operating temperature: -10 to +45^oC (+14 to 113^oF)
Storage temperature: -30 to +70^oC (-22 to +158^oF)
Management
Configuration: browser/phone/auto-provision
Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
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
Item Dimension (L inchxW inchxH inch)
10 x 9 x 5

Weight
4.00 lb

Warranty Information
1 Year