The major components that make up Elastix are;
 Asterisk (currently v1.6), the core PBX (Made by Digium)
 vTigerCRM® and SugarCRM®, CRM systems
 A2Billing® – Calling Card platform and billing application for Asterisk.
 Flash Operator Panel, a screen-based operator’s console
 Hylafax® a software based FAX System
 Openfire® – Jabber Compliant Server for Instant messaging, presence
management, SIP Phone
 Conferencing control application
 freePBX® (embedded and standalone) a web User Interface tool for Elastix.
 A report system – the part of Elastic (and freePBX) that provides CDR reporting.
 A Maintenance system, also part of Elastix, which provides low level interfaces
to some components and real time system information
 OSLEC – Software Based Echo Cancellation
 Postfix®, a well known mail server.
 Round Cube webmail – Webmail Interface
 CentOS®, a version of Linux related to a very well known Enterprise Linux (but
without the branding and support).
Each of these proven products is written and maintained by separate companies or
entities, and in many cases small and large companies are using these products in
production.