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Telephony Software

Asterisk

Open source framework for building communications applications and phone systems on ordinary computers

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About Asterisk

Asterisk is an open source framework for building communications applications. It is sponsored by Sangoma and turns ordinary computers into communications servers.

What Asterisk offers

  • Communications engine — the core software for building voice and telephony systems.
  • Maintained release series — several versions, with security releases issued as vulnerabilities are found and published as numbered advisories.
  • Related hardware and systems — Digium, the company behind it, also supplies telephony hardware and Switchvox business phone systems.
  • IP phones — handsets listed for use with Asterisk.
  • AstriCon — a long-running open source convention covering Asterisk and FreePBX, with sessions, an expo hall and networking.

Who it works with

Developers, telephony engineers and organisations that build their own phone and unified communications systems.

Key facts

  • Sponsor: Sangoma
  • Licence model: Open source
  • Related project: FreePBX

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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