Yealink SIP‑T43U – SIP Business IP Phone

• Professional mid‑range SIP IP phone designed for everyday business and office communication

• Large 4.3‑inch color LCD screen with user‑friendly interface for easy call control and navigation

• Full support for standard SIP protocols, ensuring compatibility with major IP PBX systems and hosted VoIP services

• HD audio with wideband codec support delivers clear, natural voice quality during calls

• Dual Gigabit Ethernet ports with PoE support make network setup and power delivery simple

• Programmable BLF (Busy Lamp Field) and function keys for customizable call handling and quicker access to features

• Built‑in USB port for connecting headsets and expansion accessories

• Supports up to 12 SIP accounts for flexible multi‑line usage

• Comprehensive call features including call transfer, forwarding, hold, conferencing, and call park

• Enhanced security with TLS, SRTP, HTTPS, and 802.1x network access control for protected communication

• Integrated phonebook, call history, and voicemail access for efficient call management

• Sleek, modern design with adjustable stand for ergonomic viewing

• Ideal for offices, small businesses, and professional workspaces needing reliable VoIP telephony

The Yealink SIP‑T43U SIP Business IP Phone is a versatile and reliable communication solution ideal for modern offices and small to medium businesses. With its 4.3‑inch color display, HD wideband audio quality, and support for up to 12 SIP accounts, the SIP‑T43U delivers clear voice communication and flexible multi‑line management. Featuring dual Gigabit Ethernet ports with PoE, programmable BLF and function keys, built‑in USB support, and advanced call handling capabilities such as call transfer, conferencing, and voicemail access, this phone integrates seamlessly with major IP PBX systems and hosted VoIP platforms.