3Com (R) Corporation, founded in 1979 and based in Marlborough, Massachusetts, provides small business and enterprise clients with converged network infrastructure technologies. It offers customers wireless access, standalone and stackable switch, router, convergence application, secure network interface card and IP telephone products. The TippingPoint (TM) division develops network intrusion prevention systems that identify, block, and quarantine threats. The unit also provides clients with the TippingPoint Digital Vaccine (R) subscription-based security filter deployment services. 3Com's VCX (TM), 3Com Asterisk, and NBX (R) IP telephony platforms provide businesses with call recording, unified voice mail, multimedia conferencing, voice routing, and other features. The company's modular core switches support terabit data transfers. The switches include multilayer traffic prioritization features. Wireless routers, access points, controllers, and bridges allow enterprise clients to support expanding mobile workforces. 3Com Enterprise Management Suite (EMS) allows multiple IT administrators to manage processes across heterogeneous network environments. The company provides clients with the IntelliJack (R) LAN switches and OfficeConnect (R) switches and routers. The firm holds over 1,400 patents on its systems. 3Com also offers customers network evaluation, hardware replacement, software upgrade, training, and other technical support services. The company maintains additional offices across Europe and Asia. It has formed distribution alliances with IBM (R), Phillips (R), Siemens (R), and other companies. The firm serves businesses across the Americas, Europe, Asia, Africa, and the Middle East. 3Com acquired H3C Technologies Company Limited in 2007. 3Com is listed on NASDAQ under the COMS symbol.