asterisk users - Oct 2003 - Error when making a call

Hi!

When I try to make a call I have these messages:


dial 06302@gatekeeper
    -- Executing Dial("OSS/dsp", "OH323/06302|20|tT")
in new stack
*CLI> WrapH323Connection::WrapH323Connection:
WrapH323Connection created.
    -- Called 06302
WARNING[1272234688]: File chan_oss.c, Line 624
(oss_read): Error reading from sound device (If you're
running 'artsd' then kill it): Resource temporarily
unavailable
ClearCallThread::ClearCallThread: Object initialized.
    -- Hungup 'H323:25363'
  == Spawn extension (gatekeeper, 06302, 1) exited
non-zero on 'OSS/dsp'
 << Hangup on console >>
  7:23.991          H225 Caller:8120258 H225    Read
error (4): Interrupted system call
  7:24.102                 H323 Cleaner H323   
Connection ip$localhost/25363 terminated.
WrapH323Connection::WrapH323Connection:
WrapH323Connection deleted.
ClearCallThread::ClearCallThread: Object deleted.

My question is what does it mean "Spawn extension
(gatekeeper, 06302,1) exited non-zero on 'OSS/dsp'"
and what is it this error 
"File chan_oss.c, Line 624 (oss_read): Error reading
from sound device (If you're running 'artsd' then kill
it): Resource temporarily unavailable" ?

I am using a VIA Souncard Model: VT82C686 AC97 Audio
Controller.

When I make lsof /dev/dsp the only process that is
using it is asterisk.

Please help me..

Regards,
Mireia

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