3Com NBX 100 (3C10111C-US) Modular Expansion Base
The award-winning 3Com NBX 100 communications system delivers robust call-processing features and a suite of telephony applications over your local and wide area network (LAN and WAN). Designed for sm...
Pros: Easy-to-Use Phone System for Growing Businesses.
Cons: 24 channels not stable based on my experienced.