The 189 mailbox billing SMS service agreement window prompts that the activation failed, what should I do?

After agreeing to the service agreement, if it cannot be activated normally due to network and other reasons, the user will be prompted with "Activation failed" (as shown below), click "Close" to close the window and re-trigger the billing SMS service agreement The window is open. After agreeing to the service agreement, if the province where the account belongs does not support billed SMS (as shown below), the billed SMS service cannot be activated temporarily. To learn more about service offers, click the "official website" below. Customer service 22 will answer your questions.