Hi Sergey.
It doe'nt seem to matter.
I get no sound in Internet Dialup or just using Fax in Windows XP
Regards,
Gerard


>What application are you using to dial out? There is modem command M0/M1 that can be send to modem to turn sound off/on.
>
>>Speaker volume is set to half, I set it to full
>>volume and still no sound
>>