Description Here are its key features and specifications: Features: Display: 2.4-inch color display with a resolution of 320 x 240 pixels and backlight. Call Appearance: Supports up to 4 SIP accounts, allowing multiple lines or extensions. Fixed Feature Buttons: Includes buttons for functions like transfer, message, headset, redial, mute, speakerphone, and volume control. Navigation Keys: Features a 4-way navigation pad with a Select/Exit Key for intuitive menu navigation. Programmable Line/Feature Keys: Equipped with 12 programmable keys, including 4 dual-color LED keys across 3 pages, which can be configured for lines or call features. Softkeys: Provides 4 interactive soft keys that guide users through call features and functions. Button Module Expansion: Not available for additional button modules. Speakerphone: Features a high-quality 2-way speakerphone for hands-free communication. Audio: Supports G.722 Wideband Audio (HD Voice) for enhanced call clarity. Wall-Mountable: Can be wall-mounted using an optional wall mount bracket. Ethernet Connectivity: Dual Gigabit Ethernet (10/100/1000) line interface, supporting PC pass-through and network connection. Bluetooth: Bluetooth connectivity is not available. Wi-Fi: Wireless Wi-Fi connectivity is not available. USB Ports: USB ports are not available on this model. Headset Port: Includes an RJ9 headset port and supports wireless headsets via optional adapters (EHS36 for non-Yealink wireless headsets, EHS35 for Yealink wireless headsets). Message Waiting Indicator: Features a message waiting indicator to notify users of voicemail and messages. Adjustable Tilt Display: The display tilt is not adjustable. Network: Supports Yealink Device Management Software, static or DHCP IP address assignment, and various server-based provisioning methods for mass deployments. Global Support: Utilizes icon keys and supports multiple languages. Power Requirements: Supports 802.3af Power-over-Ethernet (PoE) and can also be powered using an optional power adapter (sold separately). System Compatibility: Compatible with a wide range of open-source PBX systems, hosted cloud solutions, and platforms like 3CX, Asterisk, Broadsoft, and Genesys. Check with your VoIP service provider for compatibility. Package Contents: SIP-T33G IP Phone Desk Stand Handset with a 12 Ft. Cord CAT5E Network Cable
