Avaya 1100 Series Expansion Module
The Avaya 1100 Series Expansion Module is an exciting addition to the award-winning 1100 Series IP Deskphones portfolio. An accessory available to selected models within the 1100 Series IP Deskphones, the 1100 Series Expansion Module delivers true investment protection with scalability at the desktop. Each Expansion Module supports an additional 18 line/programmable feature keys. Up to three Expansion Modules can be supported when attached to an 1220E IP Deskphone, 1140E IP Deskphone, 1150E IP Deskphone or 1165E IP Deskphone.