Yealink SIP-T42G VoIP Phone

The Yealink SIP-T42G VoIP Phone is a professional business communication solution designed to deliver exceptional voice quality, advanced call management features, and reliable network performance. Featuring a backlit graphical display, Gigabit Ethernet connectivity, HD audio technology, and support for productivity-enhancing applications, the SIP-T42G is ideal for office professionals, customer service representatives, call centers, and shared workspaces.

Equipped with a 2.7-inch graphical LCD display with backlighting and a 192 x 64 resolution, the SIP-T42G provides a clear and intuitive interface for managing calls, contacts, directories, and system settings. Caller ID, message waiting notifications, and customizable language options further enhance the user experience.

Yealink Optima HD Voice technology delivers rich, crystal-clear audio through both the handset and full-duplex speakerphone. Advanced audio technologies including Acoustic Echo Cancellation (AEC), Automatic Gain Control (AGC), Packet Loss Concealment (PLC), Voice Activity Detection (VAD), and Comfort Noise Generation (CNG) help ensure professional-quality conversations in a variety of business environments.

The SIP-T42G supports a wide range of business productivity features, including Office 365 integration, calendar synchronization, Boss/Admin functionality, group call pickup, and branch office support. Quality of Experience (QoE) monitoring tools provide valuable reporting capabilities to help maintain optimal voice performance across the network.

Dual-port Gigabit Ethernet connectivity and Power over Ethernet (PoE) support simplify deployment while providing fast and reliable network performance. The phone also supports wired and wireless headsets through standard headset and EHS connectivity options, making it a flexible solution for users who spend significant time on calls.

With its combination of advanced telephony features, superior audio quality, and business-focused functionality, the Yealink SIP-T42G remains a dependable choice for modern VoIP environments.

Features

• 2.7-inch graphical LCD display
• 192 x 64 resolution
• Backlit screen
• Yealink Optima HD Voice technology
• Caller ID support
• Message waiting indicator
• National language selection
• Office 365 compatibility
• Calendar integration
• Boss/Admin support
• QoE monitoring reports
• Group call pickup support
• Branch office support
• Full-duplex speakerphone
• Headset and EHS support
• Dual-port Gigabit Ethernet
• Power over Ethernet (PoE) support
• Wall-mountable design
• Phone lock functionality
• Includes 1-Year Warranty

Specifications

• Phone Type:
  • VoIP Phone
• Display:
  • 2.7″ Graphical LCD
  • 192 x 64 Resolution
  • Backlit
• Audio:
  • Yealink Optima HD Voice
  • HD Handset
  • HD Speakerphone
  • Full-Duplex Speakerphone
  • Acoustic Echo Cancellation (AEC)
  • Automatic Gain Control (AGC)
  • Packet Loss Concealment (PLC)
  • Voice Activity Detection (VAD)
  • Comfort Noise Generation (CNG)
• Network:
  • Dual-Port Gigabit Ethernet
• Headset Support:
  • RJ9 Headset Support
  • EHS Wireless Headset Support
• Power:
  • IEEE 802.3af Power over Ethernet (PoE)
  • Optional 5V/1.2A Power Adapter (Sold Separately)

Supported Codecs

• G.722 (Wideband)
• G.711 A-law
• G.711 μ-law
• G.723
• G.729AB
• G.726
• GSM
• iLBC

Compatibility

Compatible with SIP-based hosted VoIP services and IP PBX systems.

Please verify compatibility with your service provider or phone system before deployment.

Ideal Applications

• Office Professionals
• Call Centers
• Customer Service Teams
• Administrative Staff
• Reception Areas
• Healthcare Facilities
• Educational Institutions
• Branch Offices

Includes

• Yealink SIP-T42G VoIP Phone
• 1-Year Warranty

Documentation

Refer to the Yealink SIP-T42G User Guide for detailed specifications, installation, and configuration information.