Yealink SIP-T33G Colour Business IP Phone
PRODUCT DESCRIPTION
Yealink SIP-T33G Classic Business Colour IP Phone (SIP-T33G) - 1 Year Local Warranty
Colour Screen at an Accessible Price
The Yealink SIP-T33G brings a colour screen to cost-effective business calling: a 2.4-inch 320 x 240 colour display with backlight, four SIP accounts with four LED line keys, and up to 12 paperless DSS keys — more capability than entry phones at a still-accessible price.
Gigabit and PoE Ready
Dual-port Gigabit Ethernet passes full network speed to the desk PC, IEEE 802.3af PoE (Class 1) keeps deployment to one cable, and Yealink HD voice with a full-duplex AEC speakerphone and Smart Noise Filtering keeps every call clear.
Secure and Manageable
TLS 1.3, SRTP, OpenVPN, L2TP VPN and IEEE 802.1X protect calls and provisioning, while auto-provisioning with PnP and TR-069, a 1000-entry phonebook, local 5-way conferencing, wallpaper/screensaver support and an XML browser round out a complete package for SMEs.
Yealink SIP-T33G Datasheet — Technical Specifications
General
| Model | Yealink SIP-T33G |
| Part Number | 1301046 |
| Product Type | 4-line colour-screen Gigabit SIP desk phone |
| Warranty | 1 Year Local Warranty (Singapore) |
Display & Keys
| Display | 2.4" 320 x 240-pixel colour display with backlight |
| SIP accounts | Up to 4 |
| Line keys | 4 line keys with LED |
| Programmable keys | Up to 12 paperless DSS keys |
| Feature keys | 5 feature keys (message, headset, redial, mute, hands-free speakerphone) |
Audio
| HD voice | HD handset, HD speaker; Smart Noise Filtering |
| Speakerphone | Full-duplex hands-free speakerphone with AEC |
| Narrowband codecs | PCMU (G.711μ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, iLBC |
| Headset port | 1 x RJ9 (4P4C); EHS wireless headset support (EHS35) |
Connectivity
| Ethernet | Dual-port Gigabit Ethernet |
| PoE | IEEE 802.3af, Class 1 |
| Security | TLS 1.3, SRTP for voice, OpenVPN, IEEE 802.1X, L2TP VPN |
| Network | VLAN, LLDP/CDP, QoS 802.1p/Q tagging, IPv6 |
Power
| Power adapter | DC 5 V / 0.6 A output (optional) |
| Consumption | PSU: 2–3 W; PoE: 3.5–5 W |
Design & Features
| Dimensions (W x D x H x T) | 212 x 186 x 146 x 42 mm |
| Mounting | Desk stand; wall mountable |
| Operating conditions | -10 to +45°C; 10–95% humidity |
| Phonebook | Local phonebook up to 1000 entries |
| Conferencing | Local 5-way conferencing |
| UI extras | Wallpaper, screensaver; XML browser, action URL/URI |
| Provisioning | Auto-provision with PnP; zero-touch; TR-069 |
Compatibility & Software Support
The SIP-T33G is an open-SIP business IP phone. It registers with SIP-compatible IP-PBX and hosted voice platforms — check compatibility with your PBX or hosted-voice provider, or ask the SourceIT team for advice.
- Mass deployment: auto-provision with PnP, zero-touch, TR-069
- Security: TLS 1.3, SRTP, OpenVPN, L2TP VPN, IEEE 802.1X
- Networking: VLAN, LLDP/CDP, 802.1p/Q QoS, IPv6
- Headsets: RJ9 headset port with EHS wireless headset support (EHS35)
Package Contents & T3 Series Ordering Information
In the box:
- IP phone
- Handset with handset cord
- Ethernet cable (1.5 m CAT5E UTP)
- Stand
- Quick Start Guide
- Power adapter (optional)
The SIP-T33G sits in Yealink’s classic T3 series:
| Model | Part No. — Key difference |
| Yealink SIP-T31W | 1301039 — 2 lines, built-in dual-band Wi-Fi, 10/100 Ethernet |
| Yealink SIP-T31P | 1301043 — 2 lines, 10/100 Ethernet, PoE |
| Yealink SIP-T31G | 1301044 — 2 lines, dual Gigabit Ethernet, PoE |
| Yealink SIP-T33G (this product) | 1301046 — 4 lines, 2.4" colour screen, dual Gigabit Ethernet |
| Yealink SIP-T34W | 1301037 — 4 lines, colour screen, dual-band Wi-Fi, Gigabit, USB |
| Yealink SIP-T30P | 1301048 — 1 line entry model (coming soon) |
Datasheet & Downloads
Frequently Asked Questions — Yealink SIP-T33G
What is the difference between the Yealink T33G and T31G?
The T33G steps up to a 2.4" colour screen, 4 SIP accounts and 12 programmable DSS keys; the T31G is a simpler 2-line phone with a greyscale display. Both have dual Gigabit Ethernet and PoE.
Does the T33G have Wi-Fi?
No — the T33G is wired. If you need Wi-Fi with a colour screen, choose the SIP-T34W.
Does the T33G need a power adapter?
Not on an IEEE 802.3af PoE switch (Class 1, 3.5–5 W). The optional Yealink 5 V / 0.6 A adapter covers non-PoE desks.
Can I use a wireless headset with the T33G?
Yes — the RJ9 headset port supports EHS wireless headsets via the EHS35, and YHS34/YHS36 QD-to-RJ wired headsets connect directly.
How many programmable keys does the T33G offer?
Its 4 line keys can be programmed with up to 12 paperless DSS keys.
Does the SIP-T33G come with a warranty in Singapore?
Yes. Every SIP-T33G sold by SourceIT comes with a 1 Year Local Warranty in Singapore and a GST invoice.
