asterisk users - Sep 2006 - I am not getting 302 redirects...

Hi,

How do the 302 redirects work in asterisk, and what is the 
"promiscredir" directive doing? I am not getting the documentation on
this.

I have following happening on my asterisk box:

------------------------------------
     -- Executing Dial("mISDN/1-1",
"SIP/+49712144050@voipstunt||Tt") in
new stack
     -- Called +49712144050@voipstunt
     -- Got SIP response 302 "Moved temporarely" back from
194.120.0.202
     -- Now forwarding mISDN/1-1 to 'Local/+49712144050@default' (thanks
to SIP/voipstunt-081de188)
Sep 11 11:57:33 NOTICE[16463]: chan_local.c:498 local_alloc: No such 
extension/context +49712144050@default creating local channel
Sep 11 11:57:33 NOTICE[16463]: app_dial.c:474 wait_for_answer: Unable to 
create local channel for call forward to 'Local/+49712144050@default' 
(cause = 0)
   == Everyone is busy/congested at this time (1:0/0/1)
-------------------------------------

Can anybody tell me what the point is of asterisk trying out 
Local/+49712144050@default instead of the extension provided by the 302?

Thanks in advance,
Arik