Notification that will explain why an SMS message is block

Some SMS messages are blocked due to restricted words as per CTIA guidelines - https://api.ctia.org/wp-content/uploads/2019/07/190719-CTIA-Messaging-Principles-and-Best-Practices-FINAL.pdf

Ringcentral could have a prompt or notification that will advise users that the SMS did not go through due to the above mentioned.

Ringcentral could also have the information about the prohibited words under the Terms of Service.