Yes and the SMB 24 Botton Module Features are as follows:
24-Button Module
Two Backlight LCS Screens for buttons labels
Buttons labeled from system
Powered from 9620, 9630G, 9640, 9650, 9650C, 9670, (9611G with release 9.0) Telephones via the Module Interface
Max of 3 SBM24’s can be installed on a single phone
