On May 1, 2005, at 11:39 AM, Gene Naden wrote:
>     When we call out from our Asterisk system we consistenly lose the  
> first
> roughly 1500 milliseconds of the audio from the destination. This is  
> easiest
> to demonstrate with a recorded announcement. In other words,
"Hello"
> for
> example is missing.
>     We are calling over the PSTN via a voice T1 line.
>     We are using the "stable" cvs from about April 1.
>     I searched lists.digium.com but did not find anyone with this  
> problem
> using the PSTN. Does anyone have any ideas?
>
Same here, via VoIP. I reported it to the list a while back:
http://lists.digium.com/pipermail/asterisk-users/2005-February/ 
088514.html
If you're getting it via ZAP and I'm getting it via VoIP, sorta  
starting to sound like a setup issue on the Asterisk side, doesn't it?