[Asterisk-Users] overriding DTMF and codec from dialplan?

[Brian West]

OH But it is just that simple. 

You also have:
  -= Info about application 'ImportVar' =-

[Synopsis]:
Set variable to value

[Description]:
  ImportVar(#n=channel|variable): Sets variable n to variable as evaluated
on
the specified channel (instead of current).  If prefixed with _, single
inheritance assumed.  If prefixed with __, infinite inheritance is assumed.

bkw

> 
> It's not so simple. Check
> http://bugs.digium.com/bug_view_advanced_page.php?bug_id=0000928
> 
> for the details.