[asterisk-users] strip + sign from incoming ${EXTEN} var?

[Eric "ManxPower" Wieling]

voiplist wrote:
> Is it possible to strip the plus sign from the ${EXTEN} var on an 
> incoming call?
> 
> We have our system setup to deal with incoming calls to numbers
> without a plus sign, lots of AGIs and databases we don't want to have
> to change.
> 
> We have seen things like this ${EXTEN:1} which you can use in the dial
> command but we want to basically change the ${EXTEN} var right off
> when it comes into extensions.conf before we do anything else.
> 
> I have read that since this is a built in Asterisk variable and it can
> only be read, not written to.
> 
> We know there are other ways to handle this but we were just hoping
> for a simple solution like resetting the variable.
> 
> Any help would be appreciated.

exten => _+NXXNXXXXXX,1,Goto(${EXTEN:1},1)