Yealink T33G IP Phone

An entry-level color screen IP phone with high performance, Yealink SIP-T33G offers local 5-way
conferencing. For its fashionable appearance as well as an extra-large 320×240-pixel color display with
backlight, it brings comfortable operation experience and clear visual experience for users. Designed

with a new powerful chip, it helps greatly improved work efficiency. Additional features include a dual-
port Gigabit Ethernet with integrated PoE, EHS35 support for Yealink wireless headset, and adjustable

multi-angle stand support. These features allow the SIP-T33G to be a high-quality but cost-effective
classic IP phone that maximizes productivity in both small and large office environments.

Category:

Audio Features
> HD voice: HD handset, HD speaker
> Smart Noise Filtering
> Wideband codec: Opus, G.722
> Narrowband codec: G.711(A/μ), G.723.1, G.729, G.729A,
G.726, iLBC
> DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
> Full-duplex hands-free speakerphone with AEC
> VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
> 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
Directory
> Local phonebook up to 1000 entries
> Black list
> XML/LDAP remote phonebook
> Smart dialing
> Phonebook search/import/export

> Call history: dialed/received/missed/forwarded Corded-
Cordless Phone (via DECT Dongle DD10K)

> Up to 4 DECT cordless handsets
> Up to 4 concurrent calls
> Support Yealink W52H/W53H/W56H/DD Phone/CP930W
> Slave Handset for Master Deskset
Display and Indicator
> 2.4” 320 x 240-pixel colour display with backlight
> 16 bit depth colour
> LED for call and message waiting indication
> Dual-colour (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
Feature keys
> 4 line keys with LED
> 4 line keys can be programmed up to 12 paperless DSS
keys (4-page view)
> 5 features keys: transfer, message, headset, redial, mute,
hands-free speakerphone
> 6 navigation keys
> Volume control keys

Interface
> Dual-port Gigabit Ethernet
> Power over Ethernet (IEEE 802.3af), class 2
> 1 x RJ9 (4P4C) handset port
> 1 x RJ9 (4P4C) headset port
Other Physical Features
> Colour: Classic Grey
> Wall mountable
> External Yealink AC adapter AC 100~240V input and DC
5V/600mA output
> Power consumption (PSU): 2-3W
> Dimension (W*D*H*T): 212mm*186mm*146mm*42mm
> Operating humidity: 10~95% • Operating temperature:
-10~50°C (+14~122°F)
Management
> Configuration: browser/phone/auto-provision • Auto
provision via FTP/TFTP/HTTP/HTTPS for mass deploy
> Auto-provision with PnP
> Zero-sp-touch, TR-069
> Phone lock for personal privacy protection
> Reset to factory, reboot
> Package tracing export, system log
Network 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)
> HTTPS certificate manager
> AES encryption for configuration file
> Digest authentication
> OpenVPN, IEEE802.1X
> IPv6
> LLDP/CDP/DHCP VLAN
> ICE
Package Features
> Package content:
– Yealink SIP-T33G IP phone
– Handset with handset cord
– Ethernet Cable (1.5m CAT5E UTP Cable)
– Stand
– Quick Start Guide
– Power Adapter (Optional)
> Qty/CTN: 10 PCS
> N.W/CTN: 9.56 kg
> G.W/CTN: 10.52 kg
> Giftbox size: 238 mm*210 mm*103 mm
> Carton Meas: 535 mm*443 mm*250 mm

eve functionality is governed by my core platform, therefore not all the handset capabilities outlined in this
datasheet are supported. Please refer also to the “eve Hardware Comparison Matrix”.
All Equipment is subject to the manufacturer’s warranty (if any) only; we do not provide any additional warranty.

An entry-level colour screen IP phone with high performance, Yealink SIP-T33G offers local 5-way
conferencing. For its fashionable appearance as well as an extra-large 320x240-pixel colour display with backlight, it brings comfortable operation experience and clear visual experience for users.

Designed with a new powerful chip, it helps greatly improved work efficiency. Additional features include a dual-
port Gigabit Ethernet with integrated PoE, EHS35 support for Yealink wireless headset, and adjustable

multi-angle stand support. These features allow the SIP-T33G to be a high-quality but cost-effective
classic IP phone that maximizes productivity in both small and large office environments.

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