Yealink SIP-T43U IP Phone | New
Supports Webex Calling
Supports Webex Calling
The Yealink SIP-T43U IP Phone is a robust, enterprise-grade VoIP solution designed for businesses looking for scalable, dependable and high-quality communications. With two Gigabit Ethernet connections for lightning-fast connectivity and a sharp 3.7-inch backlit display, this 12-line IP phone was designed with modern offices in mind. Even in busy settings, the T43U's crystal-clear audio is made possible with Yealink Optima HD Voice technology and sophisticated Acoustic Shield noise filtering, which makes every discussion professional and productive.
The T43U is unique since it has two USB ports, which allow for flexible expansion for call recording, Bluetooth, Wi-Fi and USB headsets. Sensitive communications are secured by its strong security suite, which includes secure boot and TLS 1.3 encryption. The T43U lowers operating expenses and simplifies IT management with its unified firmware, simple mass deployment and interoperability with top VoIP systems. For today's connected workplaces, the Yealink SIP-T43U provides the performance, flexibility and security needed for small company or enterprise communications upgrades.
• 3.7" 360x160-Pixel Graphical LCD with backlit display for intuitive navigation and clear call management.
• 12 SIP Accounts that handle multiple lines and calls with ease for busy professionals and teams.
• Dual Gigabit Ethernet Ports ensure rapid, reliable network connectivity with PoE support.
• Dual USB Ports that expand functionality with Bluetooth, Wi-Fi, USB headset or USB recording (any two simultaneously).
• Yealink Optima HD Voice & Acoustic Shield with superior audio clarity and background noise reduction for distraction-free calls.
• Expandable with EXP43 Modules that add up to three color expansion modules for advanced call handling.
• Flexible Mounting Options with adjustable stand and wall-mountable design suit any workspace.
• Unified Firmware & Zero Touch Provisioning that simplifies deployment, maintenance and upgrades across multiple devices.
• Robust Security with TLS 1.3, SRTP, AES encryption, secure boot and advanced authentication protocols.
• Headset & EHS Support with RJ9 and USB headset compatibility with Electronic Hook Switch (EHS) integration.
• Power Options that supports PoE or optional AC adapter for versatile installation.
🗹 Manage up to 12 lines and leverage programmable keys for streamlined workflows and faster response times.
🗹 HD Voice and Acoustic Shield ensure every call is heard with lifelike clarity, even in open offices.
🗹 Dual USB ports enable seamless integration with wireless headsets, Wi-Fi, Bluetooth and call recording—adapting to evolving business needs.
🗹 Unified firmware, zero-touch provisioning and broad compatibility minimize setup time and reduce maintenance overhead.
🗹 Expansion module support and robust hardware make it easy to scale as your business expands.
🗹 Advanced encryption and secure boot protect sensitive business communications from threats.
🗹 Intuitive interface, backlit display and ergonomic design ensure comfort and ease of use for all employees.
🗹 Reliable performance, energy-efficient PoE and future-ready expansion lower total cost of ownership.
Manufacturer | Yealink |
Manufacturer Part Number | SIP-T43U |
Product Name | Yealink SIP-T43U IP Phone |
Product Type | IP Phone |
Body Color | Classic gray |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
Caller ID Type | Caller ID |
Dialer Location | Base |
Conference Call Capability | 3-way |
Speakerphone | Yes |
Volume Control | Yes |
Indicators | Visual ringer light, voice message waiting indicator |
Additional Functions | Built-in clock, call recording, redial, mute, Music on hold, HD Voice, group call pickup, Do Not Disturb (DND) |
Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
VoIP | Yes |
VoIP Protocols | SIP, SIP v2 |
Voice Codecs | G.722, G.723.1, G.729ab, G.711u, G.711a, G.726, iLBC, Opus |
Lines Supported | 12 lines |
Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS) |
IP Address Assignment | DHCP, static, PPPoE |
Security | IEEE 802.1X, TLS |
Power Over Ethernet (PoE) Support | Yes |
Network Protocols | IP, TCP, TFTP, UDP, HTTP, DNS, HTTPS, SRTP, TR-069, SNTP, STUN |
Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
Voice Features | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC), Yealink Optima HD voice technology |
Network Features | Network Address Translation (NAT), Class 3 PoE, Lightweight Directory Access Protocol (LDAP) |
Phone Directory Capacity | 1000 names & numbers |
Type | LCD display - monochrome |
Display Location | Base |
Diagonal Size | 3.7" |
Display Resolution | 360 x 160 pixels |
Backlit | Yes |
Display Languages | Multilingual |
Connections | Headset jack / RJ-9 ¦ Handset jack / RJ-9 ¦ 2 x USB |
Hearing Aid Compatible | Yes |
Placing / Mounting | Wall-mountable, table-top |
Cables Included | Network cable - 6.6 ft |
Included Accessories | Stand |
Width | 9.6 in |
Depth | 8.1 in |
Height | 6.9 in |