Yealink SIP-T46U IP Phone
Yealink SIP-T46U is a high-performance, 16-line IP phone designed for modern business environments. It offers a balance of advanced features, user-friendly interface, and robust connectivity options.
Audio & Call Features
- HD Audio: Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance.
- Wideband Codecs: Opus, G.722
- Narrowband Codecs: G.711 (A/μ), G.729A/B, G.726, G.723.1, iLBC
- Speakerphone: Full-duplex with Acoustic Echo Cancellation (AEC)
- Advanced Audio Features: Voice Activity Detection (VAD), Comfort Noise Generation (CNG), Packet Loss Concealment (PLC), Adaptive Jitter Buffer (AJB), Automatic Gain Control (AGC)
Display & Interface
- Display: 4.3″ 480×272-pixel color display with backlight
- Line Keys: 10 with LED indicators
- Memory Keys: 27 programmable keys (3 pages of 9 keys)
- Soft Keys: 4 context-sensitive keys
- Navigation Keys: 6 keys
- Volume Control: 2 keys
- Mute, Headset, Hands-free Speakerphone Keys: Illuminated
Connectivity & Power
- Ethernet Ports: Dual-port Gigabit Ethernet
- USB Ports: 2 x USB 2.0 compliant
- Headset Port: 1 x RJ9 (4P4C)
- Handset Port: 1 x RJ9 (4P4C)
- Power over Ethernet (PoE): IEEE 802.3af, Class 3
- Power Consumption:
- PSU: 1.2–3.0W
- PoE: 1.6–3.8W
- Operating Temperature: -10°C to 50°C (14°F to 122°F)
- Operating Humidity: 10% to 95%
Wireless & Headset Support
- Bluetooth: Via BT40/BT41/BT52
- Wi-Fi: Via WF40/WF50
- USB Headset: Supported
- Expansion Module: Supports Yealink EXP43 color-screen expansion module
Management & Security
- Provisioning: Supports FTP/TFTP/HTTP/HTTPS for mass deployment
- Management Platforms: Yealink Device Management Platform (YDMP) and Yealink Management Cloud Service (YMCS)
- Security Protocols: TLS, SRTP, HTTPS, AES encryption, OpenVPN, IEEE 802.1X, IPv6, LLDP/CDP/DHCP VLAN, ICE
- Configuration: Browser, phone, or auto-provisioning
Physical Specifications
- Dimensions: 244mm (W) x 213mm (D) x 185mm (H) x 54mm (T)
- Weight: Approximately 1.4 kg
- Wall Mountable: Yes, with included stand
- Color: Classic Grey
Summary
Yealink SIP-T46U is a feature-rich, 16-line IP phone designed for modern business environments. It offers HD audio quality, a 4.3″ color display, and supports dual USB ports for flexible expansion options. With PoE support, dual-port Gigabit Ethernet, and compatibility with Yealink’s expansion modules, it provides a versatile and scalable communication solution.










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