We make it easy to find popular add-ons and third-party apps that extend the power of any Asterisk open source configuration.

Core Asterisk Software



The world's most popular voice communications engine. Asterisk turns computers into communication servers.

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asterisk support

Licensing and Support

Digium offers commercial licensing and SLA support for Asterisk to OEMs and solution providers.

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Certified Asterisk

An SLA-supported branch of Asterisk with support for Digium Phones.

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digium asterisk


Get started quickly with the AsteriskNOW ready-to-run distribution. Installs Linux, Asterisk and optionally an administrative user interface.

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Asterisk Add-On Software

fax for asterisk

Fax for Asterisk

Add multi-channel, commercial-grade fax support to Asterisk. Includes both analog and T.38 fax-over-IP support. 1 port free.

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digium phone module

Digium Phone Module

Digium phone provisioning and feature-enabler for Asterisk.

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asterisk cepstral

Cepstral Text-to-Speech

Speech synthesis module that matches the default Asterisk voice (Allison Smith).

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allison smith asterisk

IVR Prompts

Match your IVR menu, automated attendant or custom app to the system prompts with professional recordings from Allison Smith, the voice of Asterisk.

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g.729 codec


Cut bandwidth consumption. G.729 uses 1/8 of the bandwidth of standard uLaw/aLaw audio.

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asterisk echo cancellation

Echo Cancellation

Carrier-class echo cancellation for Asterisk systems.

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