The Yealink SIP‑T43U is a robust addition to the T4U series, built for busy office environments and professional users. It supports up to 12 VoIP accounts and offers full-duplex HD audio with Opus and G.722 codecs. A vibrant 4.3″ color display provides intuitive navigation, and the phone includes dual Gigabit Ethernet ports (with PoE support), USB headset capability, and wireless headset compatibility via EHS. The T43U supports advanced telephony features—BLF, call park/pickup, hot-desking, XML apps—and delivers strong security through HTTPS/TLS/SRTP, 802.1x, and VPN support.

Key Features:

• 12 SIP accounts for multi-line handling and conferencing

• 4.3″ color LCD with soft keys and backlight

• HD audio quality with Opus/G.722 codecs and Smart Noise Filtering

• Dual Gigabit Ethernet ports (one with PoE) for high-speed network access

• Headset support via USB, RJ9, and EHS wireless headset compatibility

• Advanced features: BLF/BLA, shared call appearance, call park/pickup, XML browser, visual voicemail

• Local storage via microSD card for call recordings and contacts

• Enterprise-grade security: HTTPS/TLS/SRTP, 802.1x, VLAN, OpenVPN, central provisioning

• Ergonomic and flexible design: Adjustable desk stand and wall-mountable