Yealink SIP-T48G VoIP Phone

The Yealink SIP-T48G VoIP Phone is a premium business communications solution designed for executives, managers, receptionists, and professionals who require advanced functionality, exceptional audio quality, and an intuitive touchscreen experience. Featuring a large 7-inch color touchscreen, Gigabit Ethernet connectivity, HD Voice technology, and support for expansion modules, the SIP-T48G delivers a powerful communication platform for demanding business environments.

The centerpiece of the SIP-T48G is its vibrant 7-inch touchscreen display with an 800 x 480 resolution and backlighting. The modern interface provides easy access to contacts, directories, call information, voicemail, calendars, and productivity tools, allowing users to manage communications more efficiently. Support for Skype for Business and Office 365 integration further enhances collaboration and workflow management.

Yealink Optima HD Voice technology delivers crystal-clear conversations through both the handset and full-duplex speakerphone. Advanced audio processing and wideband codec support help ensure natural voice quality while reducing communication errors and improving productivity.

The SIP-T48G is equipped with dual Gigabit Ethernet ports and Power over Ethernet (PoE) support, simplifying installation while providing reliable network performance. The built-in USB port enables additional functionality, including Bluetooth headset connectivity through a compatible USB dongle and other supported USB accessories.

For users who require extensive call management capabilities, the SIP-T48G supports up to six expansion modules, making it an excellent solution for receptionists, operators, executive assistants, and administrative professionals. Additional features such as Quality of Experience (QoE) reporting, calendar integration, headset support, and EHS compatibility help organizations maximize productivity and communication efficiency.

Combining a large touchscreen interface, enterprise-grade features, and exceptional voice quality, the Yealink SIP-T48G remains one of the most capable desktop VoIP phones for business users.

Features

• 7-inch color touchscreen display
• 800 x 480 resolution
• Backlit screen
• Yealink Optima HD Voice technology
• Modern Skype for Business interface
• Office 365 compatibility
• Calendar integration
• Full-duplex speakerphone with Acoustic Echo Cancellation (AEC)
• Dual-port Gigabit Ethernet
• Power over Ethernet (PoE) support
• Built-in USB port
• Bluetooth headset support via USB dongle
• Headset and EHS support
• Quality of Experience (QoE) reporting
• Supports up to 6 expansion modules
• Wall-mountable design
• Includes 1-Year Warranty

Specifications

• Phone Type:
  • VoIP Phone
• Display:
  • 7″ Color Touchscreen
  • 800 x 480 Resolution
  • Backlit
• Audio:
  • Yealink Optima HD Voice
  • Full-Duplex Speakerphone
  • Acoustic Echo Cancellation (AEC)
• Network:
  • Dual-Port Gigabit Ethernet
• USB:
  • Built-In USB Port
• Headset Support:
  • RJ9 Headset Port
  • EHS Wireless Headset Support
  • Bluetooth Headset Support via USB Dongle
• Expansion:
  • Supports Up To 6 Expansion Modules
• Power:
  • IEEE 802.3af Power over Ethernet (PoE)
  • Optional 5V/2A Power Adapter (Sold Separately)

Supported Audio Codecs

• G.722 (Wideband)
• G.711 A-law
• G.711 μ-law
• G.723.1
• G.729AB
• G.726
• GSM
• iLBC

Compatibility

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

Compatible with Microsoft Skype for Business environments and Office 365 integrations.

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

Ideal Applications

• Executives
• Managers
• Receptionists
• Administrative Assistants
• Customer Service Teams
• Enterprise Offices
• High Call Volume Environments
• Executive Workspaces

Includes

• Yealink SIP-T48G VoIP Phone
• 1-Year Warranty

Note: Power supply is not included and is sold separately.

Documentation

Refer to the Yealink SIP-T48G User Guide for detailed specifications, installation, and configuration information.