Asterisk basics

A bit like Ubuntu, Asterisk has a long term version support.

From version 1.x to 1.8 continue with 10.x .

Specifications:
PBX futures
From asterisk-1.2 to 1.4
Year 2005-2008

Frameworks API/PBX Enhancements
From asterisk-1.6 to 11
Year 2008-2012

Application Server
From asterisk-12 to latest
Year 2012-Today


The latest Asterisk 13.0.0 LTS version has been released in few weeks ago.

It is supported for four years.

Security tlscipher , Media, Asterisk REST Interface (ARI) and the PJSIP stack in Asterisk are fully integreted.

Alembic scripts has been added for CDR tables
cdr_sqlite should use cdr_sqlite3_custom
PostgreSQL setting and configuration in res_pgsql.conf cdr_pgsql.conf. & cel_pgsql.conf.

SS7 support now requires libss7 v2.0 or later and the related description file in chan_dahdi.conf.sample.

Use chan_motif instead of chan_gtalk and/or chan_jingle
Use chan_ooh323 instead of chan_h323

WebRTC Support with WebSocket transport over SIP.

DTLS-SRTP – A secure transport for RTP media streams used by WebRTC and SIP endpoints.

ICE, STUN and TURN – A set of related technologies for establishing live media streams between software agents running behind network address translators (NATs) and firewalls.
ICE, STUN and TURN have been incorporated into the Asterisk RTP engine as part of the effort to support WebRTC.

Motif – A new channel driver for supporting the Jingle protocol and Google Talk. Motif combines functions previously spread across multiple channels, and makes use of a new and more standards-compliant XMPP implementation.


For more information get:
http://astbook.asteriskdocs.org/