Yealink EXP55 Expansion Module

Yealink EXP55 is a color expansion module for compatible Yealink IP Phones, including the Yealink T7 and T8 Series. EXP55 features a large 5.5-inch color display and 26 customizable buttons with dual-color LEDs. Use the buttons for speed dial, BLF, call forward, call transfer, call park, and much more. EXP55 has capacitive buttons for switching between three pages of keys, giving you 78 keys per module. Because you can daisy chain up to three EXP55's to one phone, you can add an incredible 234 keys to your phone — perfect for power users!

EXP55 connects via its USB-A plug and it has a USB-A jack for connecting the next module, if you're daisy chaining multiple ones. If you're not daisy chaining, you can use the free USB-A jack for a USB headset, USB Wi-Fi dongle, USB stick for call recording, and more. If you're using only one module, EXP55 is powered via the base phone; if you're using two or three modules, an external power supply is required (not included). The package includes screws and a screwdriver for securing the expansion module to the base phone.

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Yealink EXP55 Quick Specs:

• Compatibility (as of September 2025):
• Yealink SIP-T73U
• Yealink SIP-T73W
• Yealink SIP-T74U
• Yealink SIP-T74W
• Yealink SIP-T77U
• Yealink SIP-T85W
• Yealink SIP-T87W
• Yealink SIP-T88V Pro
• Yealink SIP-T88W
• Yealink SIP-T88W Pro
• Display: 5.5 in (480 x 960 px) color
• Buttons: 26 with dual-color LEDs
• Daisy Chain: up to 3
• USB Ports: 1x USB-A (supports USB headsets, dongles, etc.)

Yealink EXP55 Expansion Module Package Contents:

• Expansion Module
• Stand
• Screwdriver
• Screws
• Quick Start Guide

Yealink EXP55 Documentation:

• Yealink EXP55 Datasheet