[asterisk-users] Correct syntax for IF()?

Vincent vincent.delporte at bigfoot.com
Fri Nov 30 18:32:29 CST 2007

On Fri, 30 Nov 2007 00:30:06 -0500, Jared Smith <jsmith at digium.com>
>Sounds like a perfect application for the ISNULL dialplan function.  Of
>course, that adds a whole new set of curly braces and parentheses to
>watch out for.

Thanks Jared for the pointer :-)

exten => s,1,Set(foo=${ISNULL(${var1})})

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