Asterisk, FreePBX and related links
Asterisk is "the" open source free PBX software and it's what's driving the IP-PBX telephony revolution. Installed in millions of business phone systems worldwide, Asterisk has proven itself to be the IP telephony application software power that drives one of the best business phone systems and it's free.
Links to good Asterisk sites:
PowerPBX This is where to come if you are installing or working with Asterisk and Free PBX. Free PBX is a user friendly way to configure Asterisk and the combination of the two makes for a winning business IP-PBX phone system. This site is where you can find detailed instructions for installing and configuring Asterisk and FreePBX from scratch as well as information on all the various bits and pieces.
VoIPUser.org This website is an independent information guide dedicated to the subject of Voice IP telephony over the internet and other data networks. Looking to do some experimenting or testing about your IP-PBX, then this site should be one of your resources.
Asterisk.org This is where is all began. Asterisk is the software that turns an ordinary computer into a voice communications server and it has changed the telephony world forever. It's open source and is available free to all under the terms of the GPL and you can get it and a lot of other stuff right here.
FreePBX.org FreePBX is an easy to use GUI (graphical user interface) that controls and manages Asterisk, the world's most popular open source telephony engine software.
Asterisk Information
A brief description of Asterisk.
Asterisk is an open source business PBX software
that provides just about all the features that you would expect and some that
you would only hope for. Some of its features include Voicemail with a
directory, voicemail to email, IVR (Interactive Voice Response), Call Queues,
Conference bridging, Call Records, and call forwarding and other advanced call
treatments. It runs on primarily on Linux, but can also be installed on Windows
and OS X. It includes support for SIP (Session Initiation Protocol), IAX, H.323
(as both client and gateway), MGCP (call manager only) and SCCP/Skinny.
Asterisk requires no additional hardware for VoIP. For interconnection with
digital and analog telephony equipment, Asterisk supports numerous hardware
devices, most notably Digium and Sangoma and will connect to any of the more
popular telecom connections, such as PRI (T1), Analog lines and or channel banks
and FXO and FXS.
How to get Asterisk. Being an open source software it is readily available for download from several excellent sources. One is Asterisk.org.