Outlook uses the Windows dialer, which has no support for voice modems.

Signature
Russ Valentine
[MVP-Outlook]
> We are trying to make a call to one of my contacts from Outlook 2003, the
> call goes out, I can hear my contact really well, but they do not hear my
[quoted text clipped - 4 lines]
> to
> call my Outlook contacts?
Helena - 22 Aug 2006 05:23 GMT
so what the point on having that little phone in outlook?
Is there any other program I can use to call my contacts using my pc instead
of my phone?
> Outlook uses the Windows dialer, which has no support for voice modems.
> > We are trying to make a call to one of my contacts from Outlook 2003, the
[quoted text clipped - 5 lines]
> > to
> > call my Outlook contacts?
Russ Valentine [MVP-Outlook] - 22 Aug 2006 10:00 GMT
Contact the manufacturer of your voice modem to see which products they
recommend.

Signature
Russ Valentine
[MVP-Outlook]
> so what the point on having that little phone in outlook?
> Is there any other program I can use to call my contacts using my pc
[quoted text clipped - 14 lines]
>> > to
>> > call my Outlook contacts?