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Variables starting with AST_ are reserved to the system and may not be set.

Additionally, the following system variables are available as special built-in dialplan variables. These variables cannot be set or modified and are read-only.

• EPOCH - Current unix style epoch
• SYSTEMNAME - value of the systemname option from asterisk.conf
• ASTCACHEDIR - value of the astcachedir option from asterisk.conf
• ASTETCDIR - value of the astetcdir option from asterisk.conf
• ASTMODDIR - value of the astmoddir option from asterisk.conf
• ASTVARLIBDIR - value of the astvarlib option from asterisk.conf
• ASTDBDIR - value of the astdbdir option from asterisk.conf
• ASTKEYDIR - value of the astkeydir option from asterisk.conf
• ASTDATADIR - value of the astdatadir option from asterisk.conf
• ASTAGIDIR - value of the astagidir option from asterisk.conf
• ASTSPOOLDIR - value of the astspooldir option from asterisk.conf
• ASTRUNDIR - value of the astrundir option from asterisk.conf
• ASTLOGDIR - value of the astlogdir option from asterisk.conf
• ASTSBINDIR - value of the astsbindir option from asterisk.conf
• ENTITYID - Global Entity ID set automatically, or from asterisk.conf

Syntax

ENV(varname)

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This documentation was imported from Asterisk Version GIT-19-56f9c28a5023c7c10