Product Categories
NBX Phone Systems
NBX 25, NBX V3000, NBX 100, Super Stack 3 NBX
NBX Phones & Attendant Consoles
NBX Business Phones
& Attendant Consoles
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Analog Connection Devices, NBX Interface Cards, CITELink IP Handset Gateway
NBX Software Components
pcXset, IP Licenses, Voice Mail Upgrades
Refurbished NBX Systems & Phones
Refurbished NBX Systems, Phones, & Components
NBX Accessories
NBX Headsets, Phone Accessories, Power over Ethernet (PoE)
3Com NBX System Software Release 4.2

3Com NBX Networked Telephony solutions deliver powerful voice communications to single and multisite organizations with 2-1,000 users per site. Release 4.2 is the sixth generation of system software available on the SS3 NBX and NBX 100! Enterprises with locations of all sizes can more cost effectively leverage a converged network to provide their staff with better communications tools, increasing productivity and improving customer service.

Notice: 3Com NBX System Software Release 4.2 is the first upgrade that requires a customer to purchase a license keycode to activate the functionality. Before upgrading to R4.2, you must upgrade to any production version of Release R4.1 first.

For further details on NBX R4.2 please click here.

The 3Com NBX System Software Release 4.2 includes:

  • NBX R4.2 Site License
  • NBX R4.2 Resource CD