Yealink SIP-T43U 12-Line IP Phone — Enterprise Performance at a Fraction of the Cost

Save big on the Yealink SIP-T43U (1301202) without sacrificing quality. This refurbished 12-line Gigabit IP phone delivers Optima HD Voice with Opus wideband codec, dual USB 2.0 ports, and PoE support — fully tested and backed by Reef Telecom's industry-leading 10-year warranty. Free shipping on orders over $300.

Key Specifications

• 12 SIP accounts for multi-line call management
• 3.7" 360x160-pixel backlit graphical LCD display
• Yealink Optima HD Voice with Acoustic Shield and Smart Noise Filtering
• Opus wideband codec for crystal-clear audio
• Dual USB 2.0 ports — supports Bluetooth (BT41), Wi-Fi (WF40/WF50), USB headsets, and USB call recording
• Dual-port Gigabit Ethernet (10/100/1000 Mbps)
• PoE (IEEE 802.3af) — no power adapter required
• Dual firmware images for enterprise-grade update protection
• EXP43 expansion module support (up to 3 modules)
• Wall mountable with adjustable 2-angle desk stand
• 3-way conferencing, caller ID, EHS headset support

Compatibility

The SIP-T43U is SIP-compatible and works with leading platforms including RingCentral, Zoom Phone, 8x8, Nextiva, Vonage Business, Asterisk, FreePBX, and most hosted or on-premise IP-PBX systems. Ideal for offices, call centers, and multi-site deployments needing a reliable, feature-rich desk phone.

Why Buy Refurbished from Reef Telecom?

Every refurbished Yealink SIP-T43U is professionally inspected, tested, and cleaned. With our 10-year warranty — 10x longer than most competitors — you get enterprise-grade reliability and exceptional value.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.