The Avaya SBM24 Button Module extends the amount of call appearances and feature buttons on your telephone. Typical uses for the Avaya SBM24 Button Module are providing additional lines for bridging, abbreviated dialing buttons, and access to features like call forwarding.
Key Features:
Provides 24 additional lines for incoming calls, outgoing calls, and calling features
No separate power supply needed. However, using more than one button module changes the power class of the phone to Class 3
