Yealink sip-t33g Ip Desk Phone Hd Poe 4 Line

Product Description

The YEALINK sip-t33g is a SIP-based IP desk phone built for professional business communication environments. It supports Power over Ethernet (PoE), eliminating the need for a separate power adapter by drawing power directly through the network cable. The phone provides four flexible line keys for efficient call handling and features a high-definition handset for clear audio. A backlit display supports easy navigation in varied lighting conditions. This unit is installed and configured by IT professionals, VoIP technicians, or telecommunications specialists in office and commercial deployments.

The sip-t33g is suited for desk deployments in professional business settings where reliable multi-line call handling is required. The four line keys allow users to manage multiple active calls or speed-dial assignments. Wireless headset compatibility via the EHS35 adapter extends hands-free functionality without requiring a direct wired headset connection at the handset port. This makes it a practical fit for call center stations, reception desks, and general office workstations.

Key Features

• Power over Ethernet (PoE) support eliminates the need for a separate AC power adapter
• Four flexible line keys for multi-line call management
• High-definition handset audio for clear voice communication
• Backlit display for easy menu navigation in low-light conditions
• Wireless headset compatibility via EHS35 adapter
• SIP protocol support for integration with standard VoIP phone systems

Compatibility

Designed for use with SIP-based VoIP phone systems and compatible with the YEALINK EHS35 wireless headset adapter for cordless headset connectivity.

Installation Notes

Installation is typically performed by a VoIP technician or IT network professional. The phone connects to a PoE-capable network switch via a standard Ethernet cable. Before servicing or reconfiguring an existing installation, disconnect the Ethernet cable to fully power down the unit. SIP account credentials and network settings must be provisioned through the phone's web interface or a compatible auto-provisioning server prior to placing calls.

Technical Specifications

• Line Keys: 4
• Power Input: Power over Ethernet (PoE)
• Audio: High-definition handset
• Display: Backlit
• Wireless Headset Support: Yes, via EHS35 adapter
• Protocol: SIP

Standard Information

• Brand: YEALINK
• Manufacturer Part Number: sip-t33g