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Yealink SIP-T33G desk phone with 2.4 inch color screen and dual Gigabit ports

Yealink Network Technology Co., Ltd

Yealink Network Technology Co., Ltd SIP-T33G 4-line VoIP phone with 2.4" 320x240 color display

SKU CH-0KXQ-1SETT MPN SIP-T33G

A 4-line VoIP phone with a 2.4" 320x240 color display, dual-port Gigabit Ethernet and PoE support

  • TypeVoIP Phones
  • SecurityNETWORK AND SECURITY SIP v1 (RFC2543), v2 (RFC3261) Call ser
  • PortsDual-port Gigabit Ethernet Power over Ethernet (IEEE 802.3af
  • DisplayDISPLAY AND INDICATOR 2.4" 320 x 240-pixel color display wit
  • PowerExternal Yealink AC adapter AC 100-240 V input and DC 5 V/0.
  • DimensionsDimension (W x D x H x T): 212 x 186 x 146 x 42 mm
  • 4 VoIP accounts handle multiple lines
  • 4" 320x240 color display shows caller details
  • Dual Gigabit Ethernet ports with PoE support
  • Local 5-way conferencing enables group calls
  • EHS35 wireless headset support for hands-free use

Four-line VoIP phone

The Yealink SIP-T33G is a new entry-level IP phone that supports four SIP accounts and a 2.4 inch 320x240 color display with backlight. It provides Yealink HD Voice and local 5-way conferencing for clear group calls. Dual-port Gigabit Ethernet with PoE support simplifies network cabling and power delivery. Adjustable multi-angle stand suits desk or wall placement.

Upgrade from basic two-line sets

This model replaces simpler handsets that only handle one or two lines and lack a color screen. The jump is worth it when staff need simultaneous account registration, on-phone conferencing without a bridge, or Gigabit pass-through for a PC. PoE class 1 keeps switch budgets low while removing the need for a separate AC adapter.

Small offices and hot-desking

Suits teams that need a cost-effective, standards-based SIP endpoint with visual line-status LEDs and EHS35 wireless headset support. Buyers who want more than four concurrent accounts, a larger touchscreen, built-in Bluetooth or Wi-Fi, or expansion module slots should look at something else.

Highlights

  • 4 VoIP accounts handle multiple lines
  • 4" 320x240 color display shows caller details
  • Dual Gigabit Ethernet ports with PoE support
  • Local 5-way conferencing enables group calls
  • EHS35 wireless headset support for hands-free use

Specifications

BrandYealink
ModelSIP-T33G
Part NumberSIP-T33G
TypeVoIP Phones
SecurityNETWORK AND SECURITY
SIP v1 (RFC2543), v2 (RFC3261)
Call server redundancy supported
NAT traversal: STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment: static/DHCP
HTTP/HTTPS web server
Time and date synchronization using SNTP
UDP/TCP/DNS-SRV (RFC 3263)
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
SRTP for voice
Transport Layer Security (TLS 1.3)
HTTPS certificate manager
AES encryption for configuration file (AES256)
Digest authentication
OpenVPN, IEEE802.1X, L2TP VPN
IPv6
LLDP/CDP/DHCP VLAN
ICE
WPA2/WPA3
Secure boot
GARP (Generic Attribute Registration Protocol)
PortsDual-port Gigabit Ethernet
Power over Ethernet (IEEE 802.3af), class 1
1 x RJ9 (4P4C) handset port
1 x RJ9 (4P4C) headset port
DisplayDISPLAY AND INDICATOR
2.4" 320 x 240-pixel color display with backlight
16 bit depth color
LED for call and message waiting indication
Dual-color (red or green) illuminated LEDs for line status information
Wallpaper
Intuitive user interface with icons and soft keys
Multilingual user interface
Caller ID with name and number
Screensaver
Power saving
PowerExternal Yealink AC adapter AC 100-240 V input and DC 5 V/0.6 A output
Power consumption (PSU): 2-3 W
Power consumption (PoE): 3.5-5 W
DimensionsDimension (W x D x H x T): 212 x 186 x 146 x 42 mm
FeaturesPHONE
4 VoIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Call forward, call waiting, call transfer
Group listening, SMS, emergency call
Redial, call return, auto answer
Local 5-way conferencing
Direct IP call without SIP proxy
Ring tone selection/import/delete
Set date time manually or automatically
Dial plan
XML Browser, action URL/URI
Integrated screenshots
RTCP-XR, VQ-RTCPXR
Enhanced DSS Key
AUDIO
HD voice: HD handset, HD speaker
Smart Noise Filtering
Narrowband codec: PCMU (G.711A), PCMA (G.711µ), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, iLBC
DTMF: In-band,
Shipping weight1.81 kg
Package size246 × 226 × 114 mm

Questions about this item

How much desk depth does the 212 x 186 mm footprint need?

The phone measures 212 mm wide by 186 mm deep, so allow at least 186 mm of clear desk depth plus room for cables at the rear.

Which cable order avoids a dead PoE link on the dual Gigabit ports?

Plug the network feed into the port labelled LAN and the PC into the port labelled PC; reversing them blocks PoE power to the phone.

When should the 5 V / 0.6 A external adapter be replaced?

Replace the adapter if the phone fails to boot without PoE, shows intermittent power loss, or the DC plug becomes loose after extended use.

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