You want to see how it works? Try Demo
Buy

Text
"Buy 101010" to
08107600076 to buy a demo product.
Book

Text
"Book 110011" to
08107600076 to book for a demo event.
Give

Text
"Give 111000" to
08107600076 to donate to a demo cause.
Invoice

Text
"Invoice 0908100076 200" to
08107600076 to create invoice for your customers.