3Com® SuperStack® 3 NBX® Systems

An IP Telephony Market Leader
Leveraging the outstanding portfolio of 3Com® NBX® plug-in
modules and interface cards, the four-slot SuperStack® 3 NBX
solution delivers expandability up to 1,500 stations.

Customers upgrading from an NBX 100 system can reuse their IP phones
and their interface cards.
Standard with 400 hours of voicemail storage and a maximum of 72
auto-attendant or voicemail ports, the SuperStack 3 NBX solution
introduced the remote unit, advanced Virtual Trunk Line routing,
and support for ADPCM, G.711, and G.729 compression techniques on
trunks and between IP phones.
Options for redundant power, network connectivity, and disk mirroring
available.
The SuperStack 3 NBX solution runs on the NBX release 4.3 operating
system.
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