Product Id: 21436383
Description: Avaya SBM24 Button Module - Key expansion module - gray - for one-X Deskphone Edition 9630, 9630G, 9640, 9640G, 9650, 9650C
Mfr Part #: 700462518
MSRP: $219.91The SBM24 Button Module extends the number of call appearances and feature buttons on your telephone. It provides 24 additional lines for incoming calls, outgoing calls, and calling features.