There are some activex controls you can use.
I have not tried this one, but I've heard it works well:
http://www.kylixsoft.com/You might try to google "sms activex" and see if you can find any others.
>Hi Everyone
>
>How Can I send SMS Thru Internet Using VFP
>
>Pls Help
>
>Regards
>
>Rajesh
ICQ 10556 (ya), 254117