Yealink SIP-T33G - Classic Business IP Phone

The Yealink SIP-T33G is a feature-rich IP phone designed to enhance productivity in both small and large office environments. It offers support for up to 4 lines, allowing users to handle multiple calls simultaneously.

One of the standout features of the SIP-T33G is its fashionable appearance and extra-large 320x240-pixel color display with backlight. This high-resolution display provides a clear and visually appealing experience for users, making it easy to navigate menus, view caller information, and access various phone features.

The phone is equipped with a powerful chip that helps improve work efficiency. This enables smooth and responsive operation, ensuring that users can quickly and effortlessly perform tasks such as making and receiving calls, accessing contacts, and managing call settings.

In terms of connectivity, the SIP-T33G comes with a dual-port Gigabit Ethernet, allowing for high-speed data transmission and network connectivity. The integrated Power over Ethernet (PoE) support eliminates the need for additional power adapters, simplifying the installation process and reducing cable clutter.

The phone also supports the EHS35 wireless headset from Yealink, providing users with hands-free communication and the flexibility to move around while on a call. This feature enhances convenience and productivity, particularly for users who require constant communication throughout their workday.

To ensure optimal viewing angles and comfort, the SIP-T33G features an adjustable multi-angle stand support. Users can easily adjust the phone's positioning to suit their preferences and workspace requirements, promoting ergonomics and reducing strain during extended phone usage.

Overall, the Yealink SIP-T33G is a cost-effective yet high-quality IP phone that offers a range of advanced features. Its stylish design, large color display, powerful chip, and additional functionalities such as dual-port Gigabit Ethernet, EHS35 support, and adjustable stand support make it an ideal choice for businesses looking to maximize productivity and improve communication in their office environments.

Technical Specifications

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.729AB, 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

• 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

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

IP-PBX Features

• Busy Lamp Field (BLF), Bridged Line Apperance (BLA) 
• Anonymous call, anonymous call rejection 
• Hot-desking, voice mail 
• Flexible seating 
• Call park, call pickup 
• Executive and Assistant 
• Centralised call recording 
• Visual voice mail 
• Call recording

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-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

Feature keys

• 4 line keys with LED 
• 5 features keys: 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 
• Power consumption (PoE): 3.5-5W 
• 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 synchronisation 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