h1. Asterisk

*FreeBSD*: _/usr/local/sbin/asterisk_.
*Linux*: _/usr/sbin/asterisk_.

*Asterisk* - is a telephony engine, that is used by the system.
It contains a basic functionality for telephony support.
After loading, it loads extension modules that are described in this chapter.
After full launch it performs call handling according to configuration, invoking functionality from other modules.

Extension modules:

* [[Channels]]
* [[Applications]]
* [[Functions]]
* [[Variables]]
* [[Expressions]]

[[Приложение Asterisk|Русский перевод]]