asterisk users - Jan 2006 - What happens to global and channel variables?

Hi all,

I've been using global and local channel channel variables extensively in my
dialplan. I'd like to know what happen to those variables after the
variables no longer used. Is it possible to explicitly destroy them (free
the associated memory) of the variables no longer needed?

I'm using * 1.0.9 on Centos 4.0.


Regards,

Colios.
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