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DLR Error Code

Last Updated: Jul 26, 2019
Error Code Description
IN_SMS_CONTENT Inappropriate SMS content or Invalid Message Length
INVALID_NUM Invalid destination. Receiver is not a valid number
INVALID_SENDERID Invalid sender ID
OPERATOR_NOT_SUPPORT Local Operator doesn’t support
PHONE_NOT_AVAILABLE Phone number or handset is not available, or handset memory capacity exceeded.
PORTED_NUM Ported number
RECEIVER_BLACKLIST Receiver is black-listed, blocked by Carrier
SYSTEM_ERR System error, caused by network operator, need to submit ticket to check the specific failed reason
UNKNOWN_ERR Failed message delivery,need to submit ticket to check the specific failed reason
URL_FAILURE URL blacklisted