The Yealink EXP39 (YEA-EXP39)
Expansion Module features a 160×320 Graphic LCD and 20 physical keys each with a dual-color LED. By programming the keys, you can set the keys for speed dial or BLF functionality. In addition, a “page switch” allows you to change screens and have up to 40 programmable keys.
The Yealink EXP39 is ideal for receptionists, administrative assistants, call center managers, powers users, and Executives who need to monitor and manage a large number of users.