The Yealink EXP50 color screen expansion module for Yealink T5 series IP phones, including SIP-T58V/SIP-T58A/SIP-T56A/SIP-T54S/SIP-T52S, is designed to extend the functional capability of your SIP phone to an entirely new level. It features a large 4.3-inch color LCD screen, giving you a vivid visual experience. Additionally, it provides you with a simple user interface and advanced call handling capabilities. For example, three pages of 20 flexible buttons displayed on the screen can be programmed with up to 60 different features. The functionality of the Yealink T5 series IP phones will also be extended by the EXP50, allowing you to set the provided multifunctional line keys such as BLF, speed dial, call forward, transfer, call park, call pickup, etc. The Yealink EXP50 color screen expansion module is an ideal solution for receptionists, administrative assistants, and workers in communication centers, enabling you to monitor contacts and manage large volumes of calls with ease.