Send SMS from orders : Enable this option to be able to send messages from your sales order page.
Send SMS after customer purchase : Enable this option to be able to send messages to your customer after his purchase.
Default SMS to send to customers : Write the default SMS to send after an order placed on your shop.
Send SMS after order changed : Enable this option to send messages to your customer when their order status changed.
Send SMS to shop owner/manager after an order completed : Enable this option to receive messages after any purchase made on your shop.
Phone number of the store owner/manager : Put your phone number here.
To go faster, you can use the automatic tags provided for this purpose which are : %shopname% , %billing_name% , %order_amount% , %order_id% , %order_status% to send your automatic message.
Do not forget to save fields on this page.