Setting up the campaign flow will require making API calls from the client system to Sinch. This will most likely require the client to use their development resources to enable the sending and receiving of SMS messages from the client system to the mobile handset.
Contact the online team or your Sinch Account Manager if you have one, to learn more.
Watch this step-by-step tutorial to familiarize yourself with the basics of SMS and to learn how easy it is to send your first message with Sinch.
Sign up to the Sinch Dashboard and get started today or take a look at the Sinch SMS Product page to learn more about our SMS products.