Why is undelivered SMS charged?

When is an SMS marked as "Undelivered"?

Sometimes, your message is mark as "Undelivered" because of the following common reasons:

• The To number is unknown or no longer in service.
• The 'To' number is unreachable - the device is likely powered down, out of the service area, or may not accept your messages.
• The destination carrier is filtering out your messages for delivery.
• Your message has been blocked from reaching the destination.
• The destination is a landline phone, or the destination carrier can't be reached.

Why is undelivered SMS charged?

When a message is sent successfully from our platform but is not received at the end user's handset, we're already charged by the carrier. Therefore, you will be charged for a message if delivery is attempted, i.e., the message status is "sent," "delivered," "undelivered," or "delivery unknown."

Updated on: 23/09/2021