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

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.

Overview

• 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

Specifications

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

• 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
• RTCP-XR, VQ-RTCPXR: 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: 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

• 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 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

• 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
• LLDP/CDP/DHCP VLAN: Yes

• Handset with handset cord, Ethernet Cable (2m CAT5E UTP Cable) ,Stand, Quick Start Guide