ADTRAN, Inc. is a provider of telecommunications networking equipment and internetworking products. Its headquarters are in Huntsville, Alabama. The company is ISO 9001 and TL9000 certified. ADTRAN was founded by Mark C. Smith The AT&T divestiture of the Regional Bell Operating Companies, with restrictions that effectively barred their manufacturing of equipment, created an opportunity for companies such as ADTRAN to supply network equipment, both to the seven RBOCs and the new and independent telephone companies in the United States.
Digium, Inc. is a privately held communications technology company based in Huntsville, Alabama. Digium specializes in developing and manufacturing communications hardware and telephony software, most notably the open-source telephony platform Asterisk. Digium was founded by Mark Spencer in 1999 as Linux Support Services, Asterisk was published as open source software, which gave others the freedom to use, change, and improve the software.
Sample Customers
ADTRAN NetVanta
Hamilton Heights School Corporation, Bissinger's Handcrafted Chocolatier, Warren County Water District
Digium Switchvox
CORAF/Wecard
Digium Asterisk
Yahoo, Penn Univeristy of Pennsylvania, US Army, Google, eBay
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