Yealink SIP-T46U IP Phone

The Yealink SIP-T46U is a premium 16-line IP phone designed for busy executives and professionals who demand reliability, clarity, and advanced functionality. Part of Yealink’s T4U series, this phone delivers a high-resolution color display, dual USB ports for flexible connectivity, and superior HD audio through Yealink Optima technology. With support for multiple SIP accounts, expansion modules, and enterprise-grade security, the SIP-T46U is ideal for modern offices requiring seamless communication and efficient call management.

Product Features

Vibrant Display

The SIP-T46U features a 4.3-inch 480 x 272-pixel backlit color screen with 16-bit color depth, providing crisp visuals and intuitive navigation for quick access to menus, contacts, and call information.

High Line Capacity

Supports up to 16 SIP accounts, making it perfect for businesses of any size. The 10 line keys with LEDs are programmable into 27 paperless DSS keys across 3 pages, enabling efficient call handling.

Superior Audio

Yealink Optima HD Voice technology combined with the wideband Opus codec ensures crystal-clear communication even in challenging network conditions. Acoustic Shield and Smart Noise Filtering reduce background noise for professional-quality calls.

Dual USB Ports

Dual USB 2.0 ports allow flexible connectivity for simultaneous use of Bluetooth dongles (BT41/BT52), Wi-Fi dongles (WF40/WF50), USB headsets, or USB call recording, enhancing productivity and communication options.

Fast Connectivity

Equipped with dual-port Gigabit Ethernet and Power over Ethernet (PoE) support, the SIP-T46U provides high-speed network access while simplifying deployment in enterprise environments.

Expansion Options

Compatible with the Yealink EXP43 expansion module, supporting up to three modules for a total of 180 additional programmable buttons. Ideal for managing complex call workflows and enhancing user efficiency.

Product Specifications

• Display: 4.3″ 480 x 272-pixel color display, 16-bit color depth, backlit
• SIP Accounts: Up to 16 accounts
• Line Keys: 10 keys with LED, programmable for up to 27 DSS keys (3 pages)
• Audio Codecs: Wideband: Opus, G.722, AMR-WB (optional); Narrowband: G.711(A/μ), G.723.1, G.729AB, G.726, iLBC, AMR-NB (optional)
• Conferencing: Up to 10-party local audio conferencing
• Connectivity: Dual-port Gigabit Ethernet, 2x USB 2.0, 1x RJ9 handset port, 1x RJ9 headset port
• Expansion Module Support: Up to 3 EXP43 modules, 60 keys per module
• Power: PoE IEEE 802.3af Class 3; Optional external PSU DC 5V/2A
• Security: TLS 1.3, SRTP, OpenVPN, AES encryption, dual firmware images
• Provisioning: Zero Touch via Yealink Management Cloud Service (YMCS) and RPS
• Physical Dimensions: 244mm x 213mm x 185mm x 54mm; Weight: ~1.4 kg
• Operating Temperature: -10°C to +50°C