The table includes the following columns:
- Group By: Criteria used (Summary, Date, Sender ID).
- Total Requested: Number of SMS requests made.
- Total Delivered: Number of successfully delivered messages.
- Pending: Messages still waiting to be delivered.
- Total Failed: Messages that failed delivery.
- Not Sent: Messages skipped or not sent (e.g., invalid numbers).
- Others: Additional statuses not covered in standard columns.
- Refund: Count of refunded messages.