Page 480 - Asterisk™: The Future of Telephony

0
No channel, or variable not set
1 ( value )
Value is retrieved (and is included in parentheses)

GET OPTION
GET OPTION filename escape_digits [timeout]

Behaves the same as STREAM FILE, but has a timeout option (in seconds).
Return value:

value
ASCII value of digits received, in decimal

GET VARIABLE
GET VARIABLE variablename

If the variable is set, returns its value in parentheses. This command does not under-
stand complex variables or built-in variables; use the GET FULL VARIABLE command if
your application requires these types of variables.
Return values:
0
No channel, or variable not set
1 ( value )
Value is retrieved (and is included in parentheses)

HANGUP
HANGUP [channelname]

Hangs up the specified channel or, if no channel is given, the current channel.
Return values:

-1
Specified channel does not exist
1
Hangup was successful

452 | Appendix C: AGI Reference