Audio
Voice codecs	AGC, AJB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, PLC, VAD
Speakerphone
Microphone mute
Certificates
Certification	CE, FCC, REACH, RoHS
Design
Product type	IP Phone
Handset type	Wired handset
Product colour	Grey
Wall mountable
Display
Display	LED
Display diagonal	6.1 cm (2.4")
Display resolution	320 x 240 pixels
Touchscreen
Backlight display
Logistics data
Export Control Classification Number (ECCN)	EAR99
Harmonized System (HS) code	85171800
Management features
Volume control	Buttons
Network
Ethernet LAN interface type	Gigabit Ethernet
Ethernet LAN data rates	10,100,1000 Mbit/s
Supported network protocols	HTTP/HTTPS, IPv6, LLDP/CDP/DHCP VLAN, ICE
Networking standards	IEEE 802.1x, IEEE 802.3af
Ethernet LAN
Quality of Service (QoS) support
DHCP client
Syslog
Operational conditions
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95%
Packaging content
Number of handles included	1 pc(s)
Cables included	LAN (RJ-45)
Base station
AC adapter included
Phone features
Lines quantity	4 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	4
Call waiting
Speed dialling
Call hold
Call forwarding
Conference call
Redialing
Caller ID
Anonymous call
Anonymous call rejection
Short Message Service (SMS)
Call return
Call transfer
Call history
Ports & interfaces
Headset connectivity	RJ-9
Ethernet LAN (RJ-45) ports	2
RJ-9 ports quantity	2
Headphone outputs	1
WAN connection type	RJ-45
Power
AC adapter input voltage	100 - 240 V
Input current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	3 W
Power over Ethernet (PoE)
Weight & dimensions
Width	212 mm
Depth	186 mm
Height	146 mm
Weight	9.56 kg
Package weight	10.5 kg

Entry-level IP phone with 4 lines and color LCD
The entry-level IP phone with color display and high performance. Yealink SIP-T33G offers support for 4 lines and includes 5-way local conference function. With its fashionable design and the extra-large color display with 320x240 pixels and backlighting, it offers comfortable operation and a clear overview for the user. Thanks to its new powerful chip, it guarantees significantly improved work efficiency. Other features include dual-port Gigabit Ethernet with built-in PoE, EHS35 support for the Yealink wireless headset, and an adjustable multi-angle mount. Thanks to these features, the SIP-T33G is a high-quality but cost-effective classic IP phone that maximizes productivity in both small and large office environments.
• Yealink HD voice recognition
• 2.4” 320 x 240 pixel color backlit display
• Dual port Gigabit Ethernet port
• Supports PoE
• Supports Opus
• Up to 4 SIP accounts
• Local 5-way conferencing
• Support for wireless EHS Headset
• Uniform firmware
• YDMP/YMCS support
• Stand with 2 angle settings
• Wall mounting possible