[Asterisk-Users] s, h, t, etc, extensions?

[John Todd]

Care to expound a bit on that topic for the wiki, with some details as to why?

JT

At 6:32 PM -0600 12/20/03, Brian West wrote:
>
>On a side note.. you can't use exten => h, if you have any hope of getting
>accurate billing info.  Its wise to call ResetCDR(w) in your exten => h,
>or not use it at all.
>
>bkw
>
>On Sat, 20 Dec 2003, Steven Critchfield wrote:
>
>>  On Sat, 2003-12-20 at 16:57, Rich Adamson wrote:
>>  > I'm in the process of reworking my dialplan to include an ivr and
>>  > other items. I've seen several examples over the last several months
>>  > that mention the "s", "h", "t" (and probably others) extensions, but
>>  > I don't fully understand what they are used for. Can someone either
>>  > give a short definition of each or point me towards some doc?
>>
>>  s = Start. Used primarily for dialplans that enter a context with no
>>  other extension information. Think of a non DID phone line, call comes
>>  in, and we may only know that the line is ringing and nothing else. Even
>>  if you knew callerid, you have to still have a place to start. You can
>>  also think about s as a place to place part of the dialplan that you
>>  don't want callers to get back to unless they have passed through other
>>  functions.
>>
>>  t = Timeout. Used for when calls have been inactive after a prompt was
>>  played. Also used to hang up a line that has been idle.
>>
>>  h = Hangup. Used to clean up a call. Could be used to play a goodbye
>>  message before hanging up. Also seemingly used by the calling card
>>  people to record end of call for billing purposes.
>>
>>  --
>  > Steven Critchfield <critch at basesys.com>
>  >