Asterisk

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Asterisk is a complete PBX in software. It runs on Linux, BSD, Windows (emulated) and OS X and provides all of the features you would expect from a PBX and more. Asterisk does voice over IP in four protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware.

Asterisk provides Voicemail services with Directory, Call Conferencing, Interactive Voice Response, Call Queuing. It has support for three-way calling, caller ID services, ADSI, IAX, SIP, H.323 (as both client and gateway), MGCP (call manager only) and SCCP/Skinny. Check the Features section for a more complete list.

Asterisk needs no additional hardware for Voice-over-IP, although it does expect a non-standard driver that implements dummy hardware as a non-portable timing mechanism (for certain applications such as conferencing). A single (or multiple) VOIP provider(s) can be used for outgoing and/or incoming calls (outgoing and incoming calls can be handled through entirely different VOIP and/or telco providers)

For interconnection with digital and analog telephony equipment, Asterisk supports a number of hardware devices, most notably all of the hardware manufactured by Asterisk's sponsor, Digium. Digium has single and quad span T1 and E1 interfaces for interconnection to PRI lines and channel banks . In addition, single to quad port analog FXO and FXS cards are available and are popular for small installations. Other vendors' cards can be used for BRI (ISDN2) or quad- and octo- port BRI based upon CAPI compatible cards or HFC chipset cards.

For interconnection with the cellular network (GSM or CDMA), Asterisk can use the Celliax channel driver or chan_mobile that is in the trunk now and there is also a unofficial backported version.

Lastly, standalone devices are available to do a wide range of tasks including providing fxo and fxs ports that simply plug into the LAN and register to Asterisk as an available device.

The current release versions of Asterisk are 1.2.37, 1.4.36, 1.6.0.28, 1.6.1.20. 1.6.2.13, and Asterisk 1.8.0. The current beta is Asterisk 1.8 beta 5.

This Wiki covers both the stable and the development branch of Asterisk. When adding new commands, applications and options, please also add a note on *when* this was added so that users may compare with their version date.

Daily Asterisk News




VoIP Today News





Other Asterisk News



Starting Out


Books





Introduction



Hardware


Administration and system layout


Configuration


Management


Troubleshooting


General Reference


Country-Specific Information


Commercial support


SIP Service Providers

Contact DIDLive at 1-212-901-0800 or visit us at www.didlive.com

User Groups


Weekly SIP Asterisk Users Conference

  • x2z.eu http://www.x2z.eu/ THis conference is open to users at all levels of asterisk expertise

Interesting and Unusual Projects

  • Village Telco Using Asterisk in a WiFi Mesh network to provide phone service in rural areas

Howtos and Tutorials


    Created by: jht2, Last modification: Fri 04 of Jul, 2014 (12:23 UTC) by voiptoday


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