Phone number blacklist
This article describes how to find, use, and manage the phone number blacklist.
Step-by-step instructions
Navigate to the “Settings” page.
Press the "Suppression list" button.
Choose the “Phone number” tab.
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Blacklist parameters
- Reject type - the reason for blacklisting: Undeliverable (unreachable number), Manual/Import (added manually or via file), Invalid (non-existent number), or Unsubscribe (user complaint or opt-out).
- Phone number - the phone number of the blacklisted contact.
- Date - timestamp of when the contact was blocked.
Blacklist management
This section explains how to manage the Phone number blacklist, including adding and removing contacts. Management via API is also available; find detailed information here.
Things to know before starting
- Supported file formats include .CSV and .XLS.
- The maximum file size is 25 MB; large files may take longer to process.
- Sample .CSV and XLS files are available as templates for data entry.
- If a file contains only phone numbers, the "import" rejection reason is automatically assigned.
- Phone numbers already present in the Blacklist are ignored and not updated.
- Detected file errors can be fixed for re-upload or ignored to continue the import.
- There is no limit to the total number of phone numbers stored in the Blacklist.
Manually
Step-by-step instructions
Navigate to the “Settings” page.
Press the "Suppression list" button.
Choose the “Phone number” tab.
Click the “Add” button.
Select the “Phone numbers” option.
Enter phone numbers (one per line).
Optional: Add a reject reason (undeliverable, import, invalid, unsubscribe) on the same line, separated by commas.
Data must follow a strict format: phone number and rejection reason.
Click the “Continue Import” button to proceed.
Import
Step-by-step instructions
Navigate to the “Settings” page.
Press the "Suppression list" button.
Choose the “Phone number” tab.
Click the “Add” button.
Select the “Phone numbers” option.
Select the “Add contacts from a file” option.
File upload via drag-and-drop or by clicking the import area.
Advancement to the next step by pressing the “Continue Import” button.
Verification of data via the “Match headers” feature, where file columns (File column name) and their samples (Preview) are aligned with system fields (Wooxy headers: phoneNumber and rejectType); unmatched headers are ignored.
Finalization of the process by clicking the “Import” button.
Handling of invalid fields via a pop-up window with options to “Skip and continue” or cancel the import.
Remove
Step-by-step instructions
Navigate to the “Settings” page.
Press the "Suppression list" button.
Choose the “Phone number” tab.
Use the search form to locate specific phone numbers.
Bulk removal by selecting contact checkboxes (up to 50 per page) and clicking the “Delete” button at the top.
Individual removal by clicking the “Bin” icon on the right side of the corresponding row.
