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Asterisk is a software implementation of a private branch exchange (PBX). In conjunction with suitable telephony hardware interfaces and network applications, Asterisk is used to establish and control telephone calls between telecommunication endpoints such as customary telephone sets, destinations on the public switched telephone network (PSTN) and devices or services on voice over Internet ...
Asterisk Gateway Interface (AGI) is a software interface and communications protocol for application level control of selected features of the Asterisk PBX. AGI allows an external, user-written program, launched from the Asterisk dial plan via pipes to control telephony operations on its associated control and voice channels.
Inter-Asterisk eXchange (IAX) is a communications protocol native to the Asterisk private branch exchange (PBX) software, and is supported by a few other softswitches, PBX systems, and softphones. It is used for transporting voice over IP telephony sessions between servers and to terminal devices.
FreePBX is a web-based open-source graphical user interface (GUI) that manages Asterisk, a voice over IP (VoIP) and telephony server. [2]FreePBX is licensed under the GNU General Public License version 3, [3] with commercial modules available under their own licenses.
Pages in category "Asterisk (PBX)" The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes. ...
Mark Spencer is also the creator of Asterisk, a Linux-based open-sourced PBX. He is the founder, chairman and CTO of Digium , an open-source telecommunications supplier most notable for its development and sponsorship of Asterisk.
Reflecting the company's shift away from Linux support to developing Asterisk and new communications solutions, Linux Support Services was renamed Digium in 2001. [2] Digium provides a business phone system powered by Asterisk, either as an on-premises solution or a cloud-based PBX solution. [4] The service can be extended to employee mobile ...
Asterisk PBX systems that use DUNDi are peered as a cooperating system of DUNDi nodes, each having certain configuration to access a DUNDI instance on at least one other node. In the DUNDi configuration one can limit the number of consecutive lookups between peers by setting the TTL.