A compact four-account phone with a colour screen and Gigabit networking.
The Yealink SIP-T33G brings a 2.4-inch colour display, four VoIP accounts and Gigabit Ethernet to Yealink’s cost-effective T3 range. It is a capable general-purpose handset for staff who want clearer on-screen information without moving to a larger professional model.
At a glance
- 4 VoIP accounts
- 2.4-inch 320 × 240 colour display
- Dual-port Gigabit Ethernet
- Power over Ethernet
- Local 5-way conferencing
- Four LED line keys with up to 12 paperless DSS assignments
- Optional EHS wireless-headset support
Why choose the T33G?
Clear business audio
- HD handset and HD speaker
- Smart Noise Filtering
- Full-duplex hands-free speakerphone with echo cancellation
- Wide selection of narrowband business codecs
- Volume, mute and headset controls
Colour user interface
- 16-bit colour display with backlight
- Wallpaper and screensaver support
- Caller ID by name and number
- Icon-driven soft-key interface
- Multilingual interface
- Power-saving mode
Everyday call handling
- Hold, mute and Do Not Disturb
- Forward, waiting and transfer
- One-touch speed dial and hotline
- Redial, call return and auto answer
- Group listening, SMS and emergency calling
- Direct IP calling and 5-way conference
Simple fleet management
- Unified T3-series firmware
- Browser, phone and automatic configuration
- FTP, TFTP, HTTP and HTTPS mass deployment
- Plug-and-play, zero-touch and TR-069 provisioning
- Compatible with Yealink device-management services
- Phone lock, logs and remote troubleshooting
Detailed specifications
Keys and indicators
- Four LED line keys
- Up to 12 paperless DSS assignments across page views
- Message, headset, redial, mute and speakerphone keys
- Six navigation keys and volume controls
- Call/message LED and red/green line-status LEDs
Directories and history
- Local phonebook for up to 1,000 entries
- Blocklist
- XML and LDAP remote phonebooks
- Smart dialling
- Phonebook search, import and export
- Dialled, received, missed and forwarded call history
Hosted PBX features
- Busy Lamp Field and Bridged Line Appearance
- Voicemail and visual voicemail
- Hot-desking and flexible seating
- Call park and pickup
- Executive/assistant functions
- Centralised and local recording support
- Anonymous calling and rejection
Audio and signalling
- HD voice through handset and speaker
- Codecs include G.711, G.723.1, G.729 variants, G.726 and iLBC
- In-band, RFC 2833 and SIP INFO DTMF
- Voice activity detection, comfort noise, packet-loss concealment, adaptive jitter buffering and automatic gain control
- RTCP-XR voice-quality reporting
Connections and power
- Two Gigabit Ethernet ports
- IEEE 802.3af PoE, Class 1 on supported hardware
- RJ9 handset port
- RJ9 headset port
- Optional 5 V / 0.6 A power adaptor
- Typical consumption: 2–3 W by adaptor or 3.5–5 W by PoE
Network and security
- SIP v1/v2 and call-server redundancy
- Static/DHCP addressing and IPv6
- VLAN, LLDP, CDP and QoS
- SRTP and TLS 1.3
- HTTPS certificates and AES-256 configuration encryption
- 802.1X, OpenVPN, L2TP VPN and ICE
- WPA2/WPA3, secure boot and GARP
Physical details
- Classic Grey finish
- Approx. 212 × 186 × 146 × 42 mm
- Operating temperature: −10°C to 45°C
- Operating humidity: 10–95%
- Wall-mount capable
- Package includes phone, handset and cord, CAT5e Ethernet cable, stand and quick-start guide
- Power adaptor is optional
Who the T33G suits
General office staff, small businesses and desks that need a compact colour phone with Gigabit pass-through.
Installation note: A compatible PoE network switch removes the need for a local power adaptor. EHS headset support depends on the selected headset and adaptor.
Supplied, provisioned and supported by AbleTech
We can supply the T33G as part of a new AbleTech Hosted PBX system or add it to a compatible existing AbleTech service. We provision user accounts, line keys, call-flow features, directories and supported accessories, then provide ongoing support.
Is the Yealink T33G right for your business?
Tell us how the user works and we will confirm the best handset, accessories and phone-system configuration.