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Product Description
The Yealink T33G (SIP-T33G) is a high-value SIP desk phone built for businesses that need multi-line capability, dependable connectivity, and superior voice quality without complexity. Featuring a 2.4″ 320×240 backlit color display and HD voice with Smart Noise Filtering, every call is clear and professional. With support for 4 lines/SIP accounts, dual Gigabit Ethernet ports with PoE, and local 5-way conferencing, teams can stay connected efficiently. The phone also includes an RJ9 headset jack with EHS support, flexible mounting options, web-based configuration, and compatibility with major VoIP systems. The T33G simplifies provisioning and management through unified firmware and device-management platform support.
Specifications
• Model Number: SIP-T33G
• Display: 2.4″ 320×240-pixel color LCD with backlight
• Lines/SIP Accounts: Up to 4 lines and 4 VoIP accounts
• Audio: HD voice with Smart Noise Filtering, full-duplex speakerphone
• Ethernet: Dual 10/100/1000 Mbps Gigabit Ethernet ports with PoE support
• Conferencing: Local 5-way audio conferencing
• Headset Support: RJ9 port with EHS wireless headset support
• Power: 802.3af PoE (Class 1); optional external adapter
• Features: Call hold, transfer, redial, speed dial, voicemail indicator, DND, call forward, auto answer, and more
• Provisioning/Management: Web-based tools, unified firmware support (YDMP/YMCS)
• Mounting: Adjustable desk stand or wall mount capable
• Security/Protocols: SIP v1/v2, TLS, SRTP, IPv6 (various codecs supported)
Frequently Asked Questions
The T33G supports 4 lines and SIP accounts, local 5-way conferencing, and dual Gigabit Ethernet with PoE, offering more flexibility and features than entry-level single-line VoIP phones.
Yes, it uses HD voice technology with smart noise filtering to deliver clear calls and reduce background noise.
Yes, it supports EHS wireless headsets using the Yealink EHS adapter for hands-free convenience.
Yes, the phone supports Power over Ethernet (802.3af), so a separate power adapter isn’t needed if PoE is available.
Yes, unified firmware and support for device management platforms (like YMCS/YDMP) make mass deployment and updates efficient.
