SMS DLR Error Codes

Common SMS DLR Codes and Descriptions

SMS DLR Code	Status Description
UNDELIV err:0dc	Absent Subscriber
EXPIRED err:206	Absent Subscriber
EXPIRED err:21b	Absent Subscriber
UNDELIV err:21b	Absent Subscriber
EXPIRED err:023	Absent Subscriber
EXPIRED err:027	Absent Subscriber
EXPIRED err:053	Absent Subscriber
EXPIRED err:054	Absent Subscriber
UNDELIV err:058	Absent Subscriber
UNDELIV err:439	Absent subscriber or ported subscriber or subscriber is barred
UNDELIV err:254	Subscriber's phone inbox is full
EXPIRED err:254	Subscriber's phone inbox is full
EXPIRED err:220	Subscriber's phone inbox is full
EXPIRED err:120	Subscriber's phone inbox is full
REJECTD err:008	Subscriber's phone inbox is full
UNDELIV err:255	Invalid or inactive mobile number
UNDELIV err:20b	Invalid or inactive mobile number
UNDELIV err:004	Invalid or inactive mobile number
UNDELIV err:510	Invalid or inactive mobile number
EXPIRED err:215	Invalid or inactive mobile number
EXPIRED err:20d	Subscriber is barred on the network
UNDELIV err:130	Subscriber is barred on the network
UNDELIV err:131	Subscriber is barred on the network
EXPIRED err:222	Network operator system failure
EXPIRED err:602	Network operator system failure
EXPIRED err:306	Network operator system failure
UNDELIV err:032	Network operator system failure or operator not supported
UNDELIV err:008	Subscriber is on DND
UNDELIV err:085	Subscriber is on DND
UNDELIV err:065	Message content or senderID is blocked on the promotional route
UNDELIV err:600	Message content or senderID is blocked on the promotional route
EXPIRED err:40a	SenderID not whitelisted on the account
UNDELIV err:082	Network operator not supported
UNDELIV err:00a	SenderID is restricted by the operator
EXPIRED err:078	Restricted message content or senderID is blocked.
UNDELIV err:432	Restricted message content or senderID is blocked.