Routee provides a detailed status for every Viber Message sent through the Web Platform and Routee Viber API. Below there is a table with the available Viber Statuses and the description.

Viber Message Statuses:#

Viber Message Status	Description
DELIVERED	Viber Message was successfully delivered.
UNDELIVERED	Viber Message cannot be delivered.
EXPIRED	Viber Message expired, i.e., the message could not be delivered within the specified time span.
FAILED	Viber Message failed, i.e., the message could not be accepted by our platform.
QUEUED	Viber Message could not be delivered. We are in the process of resending.
UNSENT	Viber Message could not be sent due to insufficient balance.
SEEN	Viber Message was successfully delivered and read by the recipient.

Detailed Status#

Routee provides a response parameter for detailed status, so that you know the reason of Undelivered or Expired Viber Messages.

Detailed Status	Description
Not Viber User	The recipient is not a Viber user.
Opted Out	Message could not be delivered because the recipient has opted out.
System Failure	Destination network error. Generic failure.
Message Rejected	Viber rejected the message due to incorrect parameters
Timed Out	A network node en route or inside of the destination operator did not respond or did not respond in time.
Unsupported Equipment	The receiver handset is not able to receive Viber messages
TTL Expired	The TTL of the message has expired. The message could not be delivered.