The Yealink SIP-T33G is an entry-level business IP phone with 4 lines, HD voice, dual-port gigabit Ethernet, PoE, color display, and strong productivity features.
The Yealink SIP-T33G IP Phone is a powerful yet affordable IP phone built for business environments. With support for 4 SIP accounts, this phone helps professionals manage multiple lines easily without extra hardware. Its 2.4-inch color display (320 × 240) with backlight offers clear, intuitive navigation of calls, contacts, and menu options.
Equipped with HD Voice and Yealink’s Smart Noise Filtering, the SIP-T33G delivers crisp, natural audio whether using the handset, headset, or speakerphone. Background noise is minimized so conversations remain smooth and professional. It also supports local 5-way conferencing, allowing multiple participants to join directly on the device.
Networking is seamless: the phone includes dual gigabit Ethernet ports and supports Power over Ethernet (PoE), allowing data and power transmission over a single cable. This reduces clutter and simplifies installation in offices and business setups.
The SIP-T33G supports EHS35 wireless headsets, giving mobile flexibility to users who prefer not to stay tethered at their desks. Its stand features two adjustable angles, and it offers wall-mount capabilities for flexible placement in various office layouts.
Security and manageability are also strong suits: this model supports TLS 1.3, SRTP, and other modern encryption protocols, ensuring your calls and configurations remain secure. For deployment and maintenance, it integrates with Yealink’s device management platforms, allowing mass provisioning and firmware updates with ease.
Designed with practicality in mind, the SIP-T33G combines essential features, robust performance, and cost efficiency. It’s ideal for small offices, call centers, reception desks, or businesses needing reliable multi-line calling without complexity.
| Feature | Details |
|---|---|
| Model | Yealink SIP-T33G |
| Display | 2.4″ color LCD (320 × 240), backlight |
| Lines / Accounts | Up to 4 SIP accounts / 4 line keys |
| Audio Quality | HD Voice, Smart Noise Filtering, full-duplex speakerphone with AEC |
| Conferencing | Local 5-way conferencing |
| Ethernet | Dual-port Gigabit Ethernet |
| Power | PoE (IEEE 802.3af) |
| Headset Support | EHS35 wireless headset support, RJ9 |
| Mount / Stand | Desk stand (2 angles) and wall-mountable |
| Security / Protocols | TLS 1.3, SRTP, HTTPS, open VPN etc. |
| Power Consumption | 2–3 W (PSU) / 3.5–5 W (PoE) |
| Dimensions (W×D×H) | 21.2 × 18.6 × 14.6 cm |
| Weight | ≈ 0.45 kg |
| Material / Finish | ABS plastic, matte finish |
| Weight | 0.45 kg |
|---|---|
| Dimensions | 21.2 × 18.6 × 14.6 cm |
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