An account with SMS portal.

For information about how to create an account, go to

For information about how to create a Zang account, see https://zang.io/products/cloud/messaging.

For information about how to create a CPaaS account, see https://www.avaya.com/en/products/cpaas/.

An SMS capable number in the required region.

Purchase an SMS capable number from the SMS Portal account, and configure the number in the OCP administration tool and set it as a default sender number.