If you have migrated to common phone Number Management, access the Phone Numbers tab under Number Management. Learn more about using Number Management.
After obtaining phone numbers, admins can batch export numbers or batch assign numbers to phone users. There's no limit to the amount of phone numbers you can export in a CSV file.
After obtaining phone numbers, you can batch-export unassigned phone numbers as a CSV file. This is useful when you want to batch-assign phone numbers to users.
After obtaining phone numbers, you can batch-assign them to any extension using a CSV file.
Note: You can follow these steps to re-assign phone numbers between extensions or assign your unassigned phone numbers to extensions. If you're performing the later, batch export unassigned phone numbers then copy and paste the numbers to the CSV sample file.