Powerful expansion module with color display for efficient call management. The Yealink EXP55 is a 5.5-inch color expansion module for the Yealink T7X and T8X series, significantly enhancing the functionality of your SIP phone. With a clear user interface and a vibrant color display, it offers intuitive control for professional call management. Up to 78 programmable function keys across three screen pages can be individually assigned as BLF, speed dial, forwarding, call park, pickup, and more. This makes the EXP55 ideal for reception areas, assistant workstations, or call centers where high call volumes need to be managed efficiently. The perfect solution to strategically expand your Yealink phones and make your communication even more productive.