A message that appears on the recipient's mobile screen directly.

The recipient does not need to go to the mobile phone inbox to read the message, nor is the message allocated to the SMS inbox.
A message that appears on the recipient’s mobile screen directly.

The recipient does not need to go to the mobile phone inbox to read the message, nor is the message allocated to the SMS inbox.

Flash SMS is a VAS feature to the standard SMS delivery and is most commonly used to immediately catch the recipients’ attention.

Emergency alerts, traffic alerts are the most common usage examples.