Product: Programmable SMS
You sent a message (message SID: SMXXXXX) to a mobile number in a country that requires Alphanumeric Sender ID pre-registration, and the Sender ID you used is not registered to your account.
- The recipient you are sending a message to is on a network that requires Alphanumeric Sender ID pre-registration, and our records indicate that your Sender ID is not registered.
- You may have previously received a WARNING 30018 “Destination carrier requires Sender ID pre-registration” code. This is the corresponding ERROR version of that code when a block is indeed happening.