Avaya J169/J179 avaya jbm24 button module 700513570 ( - )

JBM24 Button Module overview: The JBM24 Button Module extends the number of call appearances and feature buttons on the Avaya J169/J179 IP Phone. Each button module provides 24 additional lines for incoming calls, outgoing calls, autodialing, and calling features. The Avaya J169/J179 IP Phone supports up to three button modules, and each button module can take both Stand and Wall mount positions together with the phone. The following list shows the typical uses for the JBM24 Button Module: • Additional lines for calls bridges from one or more other extensions. • Buttons to access switching additional features like call forwarding.