Basic AGI Command Info

• ANSWER
• AUTOHANGUP CHANNEL STATUS [‹channelname›]
• EXEC ‹application› ‹options›
• GET DATA ‹filename› [‹timeout›] [‹max digits›]
• GET VARIABLE ‹variablename›
• HANGUP [‹channelname›]
• RECEIVE CHAR ‹timeout›
• RECORD FILE ‹filename› ‹format› ‹escape digits› ‹timeout› [BEEP]
• SAY DIGITS ‹digit string› ‹escape digits›
• SAY NUMBER ‹number› ‹escape digits›
• SEND IMAGE ‹image›
• SEND TEXT "‹text to send›"
• SET CALLERID ‹number›
• SET CONTEXT ‹desired context›
• SET EXTENSION ‹new extension›
• SET PRIORITY ‹new priority number›
• SET VARIABLE ‹variablename› STREAM FILE ‹filename› ‹escape digits›
• TDD MODE ‹on|off›
• VERBOSE ‹level›
• WAIT FOR DIGIT ‹timeout›

Some good, but somewhat out of date, documenation. You'll find examples and advice on how to programme in C, Java, perl and python.

One of the commands is EXEC which delivers the power of all your registred applications.