Message delivery errors

Error types and their codes that can be found in responses

The test numbers is only available in our Test Environment, for the purpose of simulating the different error messages. Do not use them in our production environment.

Error type	Error code	Description	Example trigger conditions	Worth Retrying?	Test number to trigger simulated error
delivery_error	recipient_invalid	Unknown subscriber - mobile number is not a registered number.	65 9999 9999	No	65 1111 1111
	recipient_unavailable	Absent subscriber - device not logged on to mobile network. Recipient device error	Recipient’s phone does not have reception	Yes	65 1111 2222
	content_invalid	Content filtered - banned content detected in message. Message Format error - message content contains character not matching the declared encoding. Message blocked - message content blocked by rules.		Yes	65 1111 3333
	routing_error	Route not found - mobile number is not released by regulator. Routing error - error on mobile network routing the subscriber.		No	65 1111 4444
	delivery_unknown_error	All other errors			65 1111 9999
server_error	server_unknown_error	Internal error Unknown error	One of the servers lost connection temporarily	Maybe	65 2222 2222