[asterisk-users] s-${DIALSTATUS} extensions

[Eric "ManxPower" Wieling]

Yuan LIU wrote:
> From:  /"Eric \"ManxPower\" Wieling" <eric at fnords.org>/
>  >Yuan LIU wrote:
>  >>In examples, s-${DIALSTATUS} is used to handle unsuccessful dial
>  >>attempts in the s extension.  Goto() is used in examples.  Is the
>  >>prefix "s-" mandatory? Is it related to the original extension "s"?
>  >>(Apparently Goto(${DIALSTATUS}) won't work for me.)
>  >
>  >Goto(${DIALSTATUS}) won't work because with only one parameter Goto
>  >will think it is a priority.  Try Goto(${DIALSTATUS},1)
> 
> Sorry for posting wrong code - was Goto(${DIALSTATUS},1).  
> Probably the very extension didn't get ${DIALSTATUS}, as others 
> indicated that it only gets set when channel hangs up, in which case 
> only extension h can be executed.  On the other hand, the Asterisk 
> "book" gave the example in extension s - haven't tested extensively 
> either way, as this is not yet critical.

DIALSTATUS and HANGUPCAUSE are most useful for situations where the call 
was NOT answered and you want to know why.