You can also send SMS from Hosting Solutions' webmail, in the SMS section (menu item at the top) and by configuring as shown in the following image (Select provider item in the left menu).

The credentials to be entered in the SMS provider username and SMS provider password fields are those received by email when the SMS service is activated.

Once the configuration has been carried out, you can proceed to compose the SMS message by selecting the Compose sms item from the left menu..