Asterisk (PBX)

Asterisk
Developer(s)Sangoma Technologies Corporation
Stable release(s) [±]
21.3.1 (17 May 2024 (2024-05-17)[1])

20.5.0 LTS (18 October 2023 (2023-10-18)[2])
19.8.1 (7 July 2023 (2023-07-07)[3])

18.20.0 LTS (18 October 2023 (2023-10-18)[4])
Preview release(s) [±]
Repository
Written inC
TypeVoice over Internet Protocol
LicenseGPLv2 with additional licenses available from Digium[5]
Websitewww.asterisk.org Edit this on Wikidata

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 Protocol (VoIP) networks. Its name comes from the asterisk (*) symbol for a signal used in dual-tone multi-frequency (DTMF) dialing.

Asterisk was created in 1999 by Mark Spencer of Digium, which, since 2018, has been a division of Sangoma Technologies Corporation.[6][7] Originally designed for Linux,[8] Asterisk runs on a variety of operating systems, including NetBSD, OpenBSD, FreeBSD, macOS, and Solaris, and can be installed in embedded systems based on OpenWrt.[9][10]

  1. ^ "ChangeLog-21-current". Retrieved 22 May 2024.
  2. ^ "ChangeLog-20-current". Retrieved 27 Oct 2023.
  3. ^ "ChangeLog-19-current". Retrieved 27 Oct 2023.
  4. ^ "ChangeLog-18-current". Retrieved 27 Oct 2023.
  5. ^ "Asterisk LICENSE". GitHub. Retrieved 2020-02-13.
  6. ^ Olejniczak, Stephen P.; Kirby, Brady (2007). Asterisk For Dummies. John Wiley & Sons. ISBN 9780470098547.
  7. ^ Van Meggelen, Jim; Smith, Jared; Madsen, Leif (2007). Asterisk: The Future of Telephony. O'Reilly Media, Inc. ISBN 9780596510480.
  8. ^ The README for version 0.1.0 states: "Currently, the Asterisk Open Source PBX is only known to run on the Linux OS, although it may be portable to other UNIX-like operating systems as well." See here Archived 2017-02-12 at the Wayback Machine
  9. ^ "Asterisk on OpenWrt". 6 June 2018. Retrieved 2018-06-10.
  10. ^ AstLinux: Boot via USB Flash Storage[permanent dead link]

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