problem with skype

[dexter2 <dexter2@nextra.sk>]

Hello,
i have instaled Skype on Debian Gnu/Linux. I run it from command line,
so, that i can see the error messages. When i try to make a call. I
can't hear any sound and i can see on command line:
$ skype
read error, res = -1 , handle = 30
/dev/dsp-1: Device or resource busy
/dev/dsp-1: Device or resource busy
/dev/dsp-1: Device or resource busy
/dev/dsp-1: Device or resource busy
/dev/dsp-1: Device or resource busy
/dev/dsp-1: Device or resource busy
/dev/dsp-1: Device or resource busy

so i tried as a root:
# ls -l /dev/dsp
crw-rw----  1 root audio 14, 3 2005-04-29 23:21 /dev/dsp
# chmod 666 /dev/dsp
# ls -l /dev/dsp
crw-rw-rw-  1 root audio 14, 3 2005-04-29 23:21 /dev/dsp
#

and again i tried make a call. This time i could hear ringing tone, but
nothing else and i could see:
$ skype
read error, res = -1 , handle = 28
$

Is it neseserry for user to have r/w access to /dev/dsp? And if yeas how
to make it permanent, becouse after reboot seetting are again:
# ls -l /dev/dsp
crw-rw----  1 root audio 14, 3 2005-04-29 23:21 /dev/dsp
#
What about "read error, res = -1 , handle = 28"? I could see on internet
peaple having the same error, but i didn't find solution for me.

Thanks in advance.
  Dexter