In the dial plan language of asterisk, what is the difference between prompting
the user with a Playback() command vs. a Background() command? I want in a part
of my dial plan to ask the user a prompt, and wait for 4 digits to be typed in.
I don't want the user to have to end the string with a pound or something, just
wait 2 seconds after they stop typing. ANd I do want the prompt to be
interruptible if the user is fast and knows already what to do…
I need to do some tests on the number they entered. If i use background(), and
say the prompt, and then follow with a WAIT command, how do i reference the
number they just typed in? does asterisk set the ${EXTEN} variable when the
user types something?
What I find maddening about the asterisk documentation is a lack of clarity on
the sequence of things, and what variables get set when?
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