The Yealink SIP-T53 is an easy-to-use Prime Business Phone with an adjustable 3.7-inch graphical LCD. With the built-in dual band 2.4G/5G Wi-Fi the phone keeps up with the modern wireless technology
Adjustable 3.7" color display
21 BLF keys ( 3 page view)
up to 3 Yealink EXP50-expansion modules 60 keys (3 page view)
NCTI Standard & Premium (Q3/2019)