update : 23/12/2020


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Studied version : 1.8.17 Website : http://www.asterisk.org Distributed by : Enterprise (Digium) Licence : GPL Technology : C/C++

Asterisk is an open source private automatic branch exchange (PABX) for UNIX systems. Among other uses, it provides for voice messaging, hold queues, call agents, hold music, enquiry calls, call distribution and conference calls.

Asterisk implements the protocols H.320, H.323 and SIP, as well as a custom protocol called IAX (Inter-Asterisk eXchange). Asterisk can also play the role of registrar and gateway in connection with public networks. Some operators use it as the core of their telephone network, given its interoperability and its scalability. When combined with SugarCRM or vtiger, it is often used as a call centre management tool.

In its traditional use as an IP telephony platform, Asterisk is typically combined with FreePBX, an IHM that manages all its functionalities. Asterisk and FreePBX can be found in many Appliance distributions, the most popular being Elastix and trixbox.

Asterisk is distributed under the GPL.


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FR Brillant Pascal
Rate this solution the 15/11/2013

“ Asterisk est une base vraiment puissant avec plein de possibilité et beaucoup d'extensions! Le seul point faible que nous ayons identifié lorsque nous avons migré sur Asterisk est de trouver de la documentation et de l'aide: tout est en anglais!. Via la société IPConnect (www.ipconnect.fr), nous avons pu nous équiper et nous former en français (!), et maintenant nous revendons des solutions VOIP en plus de nos produits informatiques habituels. Le plus dur c'est le début, après c'est très simple ”

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Ohloh users rating 4.41 (46 votes)
lines of code 930360 lines
(for the 12 last months)
Programming Languages C, XML, Python, 16 Other
Tags asterisk skinny jingle googletalk voip unistim telephony voicemail softphone isdn sip iax2 pbx mgcp softswitch rtp telecommunications jabber h323 conferencing xmpp iax ivr c
Download url http://www.asterisk.org/downloads/
Ohloh page https://www.openhub.net/p/asterisk