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Chat with an expertAsterisk is committed to supporting the open source community by making it easy for you to find interoperability partners, third-party apps, IP phones, and more to extend the power of any Asterisk open source configuration. This Digium software resource center makes it easy to find popular add-ons for Asterisk, such as Skype for Asterisk (SFA), Fax for Asterisk and a wide variety of SIP IP phones.
AsteriskThe world's most popular voice communications engine. Asterisk turns computers into communication servers.
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Asterisk Commercial LicensingDigium offers commercial license for Asterisk to OEMs and solution providers.
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AsteriskNOWGet started quickly with the AsteriskNOW ready-to-run distribution. Installs Linux, Asterisk and optionally an administrative user interface.
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Bria for AsteriskA professional grade SIP soft-phone built specifically to work with Asterisk. Voice and video calling, IM, presence and more.
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IVR PromptsMatch 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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Fax for AsteriskAdd 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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G.729Cut bandwidth consumption. G.729 uses 1/8 of the bandwidth of standard uLaw/aLaw audio.
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High Performance Echo CancellationCarrier-class echo cancellation for Asterisk systems.
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LumenVox Speech EngineAdd enterprise-class speech recognition to Asterisk applications.
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Cepstral Text-to-SpeechSpeech synthesis module that matches the default Asterisk voice (Allison Smith).
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