The new-gen T4U series greatly improves the call experience and work efficiency with dual USB ports, Ultra HD sound quality, faster response speed, and even more advanced features. The new T4U series will be a powerful assistant for modern business.
File Type: www
Categories: Brochure Datasheet, Phones, Toly Devices, Yealink
Tags: 12 lines, 16 lines, Color Touch Screen, Expansion Module Ready, HD Voice, IP, LCD Screen, Multi SIP Accounts, Supports color-screen expansion modules, T4U, USB Headset Capable, USB Ports