Messages in Roezan have 4 different status:
These are messages that we have attempted to send.
Messages that were successfully delivered.
Messages that we have sent, but have not received a response from our carrier partners.
Note: If messages are pending after a significant amount of time, this does not mean anything is broken necessarily. We have sent the messages, we just have not received a response from the carriers so we cannot confirm they were delivered.
These messages were sent, but were confirmed not delivered.
Messages may be undelivered for a number of reasons including:
Invalid phone number
Carrier filtered messages (if a message is blocked by a carrier, for instance being categorized as spam)
With any decent size list, it's normal to have some messages undelivered for the reasons listed above. However, if there are a large number of undelivered messages, please contact our support and we'll look into the issue.