Digium

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Digium, Inc. is a company based in Huntsville, Alabama which specializes in the development of PBX hardware and open-source telephony software, most notably Asterisk.

History

Digium was founded by Mark Spencer as Linux Support Services in 1999^[1]. The original goal of the company was to provide contract support and development for Linux. Because Mark did not have the resources to purchase a PBX for his new company, he decided to begin writing one from scratch^[2].

In 2001, the U.S. economy entered a period of recession, and demand for the company's services dried up. Mark decided to shift the company's focus to its fledgling open-source PBX product, Asterisk. The company was renamed "Digium" and incorporated as such in 2002.

Products and services

The IAXy

Software

• Asterisk, Digium's most well-known product, is an open-source PBX application which runs on commodity PC hardware.
• Asterisk Business Edition is a commercial version of Asterisk that is sold by Digium. Digium claims it undergoes more testing than the open source version.^[3]
• Asterisk GUI, an open-source GUI frontend, which can be used with either the free version or Asterisk Business Edition.
• Digium also produces and supports proprietary addons to Asterisk, such as Codec G.729, Fax for Asterisk, HPEC (High Performance Echo Canceller), the Cepstral Connector (text to speech), and the Lumenvox Connector (voice recognition).

Hardware

IAXy

The IAXy is an analog telephony adapter (ATA). Unlike most such adapters, the IAXy uses the IAX2 protocol for VoIP. Because it uses the IAX protocol it has less problems being used behind a NAT firewall, but is less supported than SIP based ATAs. Digium marked the IAXy End of Life in August 2008 and the product is no longer generally available.^{[citation needed]}

PCI cards

Digium makes a range of analog and digital PCI and PCI Express cards designed to work with Asterisk.

Appliances

Digium also manufactures a variety of appliances designed to simplify PBX installation, support, and maintenance, albeit at the possible cost of disabling some of the more advanced features of Asterisk. One series of the products involves the use of Switchvox, a GUI frontend to Asterisk.

External links

free software portal

• http://www.digium.com/ - Digium, Inc
• http://www.twit.tv/floss38 - An interview of Mark Spencer by Randal Schwartz and Leo Laporte originally netcasted 30 August 2008 on the FLOSS Weekly podcast.

References