Yealink SIP-T27G Business-Class Gigabit IP Phone with Backlit Display, HD Voice, USB Port, and Power Adapter

Condition: Used – Fully functional unit in good cosmetic condition. Includes handset, stand, and original power adapter. Minor surface wear may be present from normal use.

The Yealink SIP-T27G is a professional-grade VoIP IP phone designed for everyday business communications. It features a high-resolution 3.66” backlit graphical LCD, delivering an intuitive interface for users in office environments. Built with dual-port Gigabit Ethernet, it ensures high-speed connectivity, and supports 6 SIP accounts, making it a reliable choice for standard office deployment.

This model includes Yealink Optima HD Voice and Opus codec support, significantly enhancing audio quality. It also has USB port capability, allowing optional Bluetooth or Wi-Fi connectivity using supported dongles. The SIP-T27G is ideal for small to medium businesses needing a balance of performance, feature set, and value, and is certified for compatibility with a wide range of VoIP platforms such as BroadSoft, 3CX, and Asterisk.

📌 Features

• 3.66” 240×120-pixel graphical LCD with backlight

• Dual-port Gigabit Ethernet switch (10/100/1000 Mbps)

• Yealink Optima HD Voice and Opus codec

• USB 2.0 port for Wi-Fi/Bluetooth dongles or USB call recording

• Supports up to 6 SIP accounts

• Headset support, EHS (Electronic Hook Switch) compatible

• Local phonebook with up to 1000 entries

• XML/LDAP remote phonebook and smart search

• Wideband and narrowband codec support

• Supports PoE (802.3af Class 2) and 5V DC power adapter (included)

• Wall mountable with included stand

📌 Applications

• Business office VoIP phone system

• Reception desks and workstations

• SMB (small to mid-size business) VoIP deployments

• Remote office setups with SIP trunking

• Call center agents using PoE or USB headset configurations

🔁 Cross-Referenced / Equivalent Models

• Yealink T27P – non-Gigabit predecessor

• Yealink SIP-T29G – similar with color screen and more SIP lines

• Yealink T41S – similar functionality with smaller screen

• Cisco SPA514G – 4-line Gigabit IP Phone alternative

• Grandstream GXP1782 – mid-range enterprise IP phone

🔄 Comparable Products

• Polycom VVX 301/311 – basic to mid-tier VoIP phones

• Cisco 8841 – similar business-class IP phone

• Fanvil X4G – dual screen Gigabit IP phone

• Avaya 9611G – Gigabit IP phone for enterprise setups

🧩 Compatible Accessories and Systems

• Yealink BT41 – USB Bluetooth dongle

• Yealink WF50 – USB Wi-Fi dongle

• Compatible VoIP Platforms: 3CX, Asterisk, FreePBX, BroadSoft

• Compatible PoE Switches: Any 802.3af-enabled switch

📦 Serial & Model Info

• Model: SIP-T27G

• MAC Address: 805EC09FA1AD

• Serial Number: 3127319120908245

• Power Input: 5V DC via included power adapter or PoE

• FCC ID: T2C-T27G

• UPC: [Not visible, can be referenced as part number SIP-T27G-NA]

• Manufacturer: Yealink Network Technology Co., Ltd.

Trademark Notice: Yealink®, Cisco®, Polycom®, Grandstream®, Avaya® and other brand names mentioned are trademarks or registered trademarks of their respective holders. Mentioned names are used strictly for reference purposes and do not imply any affiliation.

P126; B015