Yealink SIP-T43U 12-Line Gigabit IP Phone Grey LCD 1301202

Yealink SIP-T43U 12-Line Gigabit IP Phone Grey LCD 1301202

Sound and Hear with Remarkable Clarity

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

Efficient Deployment and Management

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

Color-screen Expansion Module EXP43

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

Yealink Wireless/Wired USB Headsets

Seamlessly compatible with Yealink wireless/wired USB headsets to meet the needs of users with large call volumes or headset preference and ideal for call center or administrative assistants.

BUILD YOUR UNCRACKABLE, PHONE SECURITY

The T43U is shielded with the latest security mechanisms, making your conversations more secure than ever. With TLS 1.3, you benefit from faster and more robust encryption. Learn more enhanced security features in the V87 upgrade.

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
• Acoustic Shield
• 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
• Full-duplex hands-free speakerphone with AEC
• VAD, CNG, AEC, PLC, AJB, AGC

Display and Indicator:

• 3.7" 360x160-pixel graphical 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, auto answer, DND, 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 earphone through BT40/BT41, Contact synchronization through BT40/BT41, Wi-Fi through WF40/WF50, USB call recording through USB flash drive, USB headset, Expansion Module EXP43, Wireless Headset Adapter EHS40
• Enhanced DSS key

Interface:

• 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

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)
• HTTPS certificate manager
• AES encryption for configuration file
• Digest authentication
• OpenVPN, IEEE802.1X
• IPv6
• LLDP/CDP/DHCP VLAN > ICE