In QuintaDB you can active SMS notifications in the same way you doing it for Email notifications
To set up SMS notifications you should click on "SMS" tab in the "Notifications" menu.
To set up notifications of the new records that were added in database you should turn on the option "Form submitted". Then click on Edit button to edit notification settings.
After that you may insert phone numbers which will receive notification and change the text of SMS message. You can receive the value of each field of added record and insert it in the message, use |column_name| for getting the data from column column_name.
Then you will be receiving notifications about records that was added by form in iframe or by using direct link on form.
If you turn on the option "Send SMS messages about records added from 'Records' page" you will also be receiving notifications about the records that were added at the 'Records' page in QuintaDB.
You can set up the notifications when someone updates record in your database. Then you should turn on the option "Record updated" and insert phones than will receive this notifications.
If you need to send confirmation to the user that filled your form then the option "Send SMS-confirmation to form submitter" will be helpful for you. You should have a field on form where user will enter phone number. Just turn the function on, choose the field with phone number and enter the message.