The possible status callbacks when sending an MT SMS or MMS or RBM message: - message-sending indicates that Bandwidth is sending the message to the upstream provider. - message-delivered indicates that the message was successfully sent. - message-failed indicates that the message could not be sent to the intended recipient. - message-read indicates that the RBM message was read by the recipient.
-
MESSAGE_MINUS_SENDING(value:'message-sending') -
MESSAGE_MINUS_DELIVERED(value:'message-delivered') -
MESSAGE_MINUS_FAILED(value:'message-failed') -
MESSAGE_MINUS_READ(value:'message-read')