[asterisk-users] Measuring audio file legth

[Bob Smither]

On Thu, 2007-04-12 at 13:28 +0200, Suity Zsolt wrote:
> Hi,
> 
> I have to set call length to 3min, but before hangup have to warn 
> caller. There are many IVRmenu and submenu options with different 
> warning audio.
> I have to measure somehow the audio file length and subtract it from 3 
> minutes.

I have not tried this, so I may be off - but do you really have to do
this?  The documentation I have indicates that if there is an extension
T in the context, that extension is used at the absolute timeout.  So,
would:

  exten => T,1,<play your warning message>
  exten => T,n,Hangup

work?

HTH,
-- 
Bob Smither <smither at c-c-i.com>