Custom Fields are included on the Task Object called ‘SMS Status’ and ‘SMS Status Code’. By default, these fields can be ignored. However, if you have the Delivery Status Notifications add-on feature enabled with MessageMedia, you will be able to track the delivery status of your outbound messages. Below is a list of the MessageMedia Delivery Status Codes.
101: Message being processed by the gateway.
102: Message is being rerouted to a different provider after failing via the first provider.
151: Message held for screening.
200: Message submitted to downstream provider for delivery.
210: Message accepted by downstream provider.
211: Message is enroute for delivery by provider.
212: Message submitted. Delivery pending.
213: Message scheduled for delivery by downstream provider.
220: Message delivered.
221: Message delivered to the handset.
320: Message validity period has expired (prior to submission).
401: Message validity period has expired (before delivery).
301: Usage threshold reached. Message discarded.
302: Destination address blocked. Message discarded.
303: Source address blocked. Message discarded.
304: Message dropped. Contact support.
305: Message discarded due to duplicate detection.
402: Message rejected by downstream provider.
403: Message skipped by downstream provider.410: Invalid source address.
411: Invalid destination address.
412: Destination address blocked.
413: SMS service unavailable on destination.
414: Destination unreachable.
330: Gateway failure.
331: Message discarded.
332: No available route to destination.
333: Source address unsupported for this destination.
400: Message failed; undeliverable.
405: Message cancelled or deleted by provider
The Delivery Status add-on must be enabled directly by MessageMedia. For further information on this feature, please email firstname.lastname@example.org.