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Founded Year



Acquired | Acquired

Total Raised




About Digium

Digium, the Asterisk company, is the developer of Asterisk, an open source telephony platform. Digium aims to provide hardware and software products to enterprises and telecommunications providers. Digium also aims to offer professional services, including consulting, technical support and custom software development. Used in combination with Digium's telephony interface cards, Asterisk aims to offer a strategic, cost-effective approach to voice and data transport over IP, TDM, switched and Ethernet architectures. Digium's offerings include VoIP, conferencing, legacy PBX, IVR, auto attendant, media servers and gateways, and application servers and gateways.

Headquarters Location

445 Jan Davis Drive NW Suite 120

Huntsville, Alabama, 35806,

United States


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Digium Patents

Digium has filed 1 patent.

patents chart

Application Date

Grant Date


Related Topics



Web frameworks, Videotelephony, Network protocols, Teleconferencing, Social networking services


Application Date


Grant Date


Related Topics

Web frameworks, Videotelephony, Network protocols, Teleconferencing, Social networking services



Latest Digium News

Elastix VoIP Systems Hacked to Serve Web shells

Jul 20, 2022

Abuse of Elastix VoIP systems The attackers are believed to be abusing the RCE vulnerability ( CVE-2021-45461 ) in Elastix VoIP systems used in the Digium phones module for FreePBX. The flaw has been abused since December 2021. The campaign’s goal was to plant a PHP web shell to run arbitrary commands on infected communications servers. The attackers deployed 500,000 unique malware samples between December 2021 and March 2022. The recent campaign is still active and shares similarities with another operation in 2020. The operation systematically exploited SIP servers from various manufacturers. The PHP web shell  Researchers spotted two attack groups using different initial exploitation scripts to drop a small-size shell script. The script installs the PHP backdoor on the target device and creates root user accounts. A shell script attempts to blend into the existing environment by faking the timestamp of the installed PHP backdoor file to a file already known on the targeted system. The IP addresses of the attackers are located in the Netherlands, while DNS records show links to various Russian adult sites. At present, the parts of the payload-delivery infrastructure are online. The scheduled task executes every minute to get a PHP web shell. The web shell is base64 encoded and manages different parameters (MD5, admin, cmd, and call ) in incoming web requests. Additionally, the dropped web shell comes with an additional set of built-in commands (around eight) for directory listing, file reading, and reconnaissance of the Asterisk open-source PBX platform. What to do? Researchers have provided technical details regarding used tactics in recent campaigns to avoid infection. Further, organizations are suggested to make use of provided IOCs revealing local file paths of malware, hashes for shell scripts, public URLs to host the payloads, and unique strings.

Digium Frequently Asked Questions (FAQ)

  • When was Digium founded?

    Digium was founded in 1999.

  • Where is Digium's headquarters?

    Digium's headquarters is located at 445 Jan Davis Drive NW, Huntsville.

  • What is Digium's latest funding round?

    Digium's latest funding round is Acquired.

  • How much did Digium raise?

    Digium raised a total of $13.8M.

  • Who are the investors of Digium?

    Investors of Digium include Sangoma Technologies, Matrix Partners, Advantage Capital and Andrew Payne.

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