The EU24 Expansion Module is an optional device that extends the number of call appearances and Feature buttons available on the telephone.
The expansion module has 24 buttons arranged in two columns. Depending on how they have been programmed for your call processing system, these buttons can be call appearances, which are lines for incoming and outgoing calls, or features like Call Forwarding.
This module can expand the Avaya 2420/4620/5420/5620.
Product also known as:
700381817