How to Choose and Use a Number Detection Platform: A Complete Solution from List Format to Tiered Detection

When you have a customer number list, you need to first normalize and deduplicate according to E.164, then group by country, filter out landlines and invalid numbers through basic detection, and finally check account status for target platforms. Basic detection determines whether a number is valid at the telecom network level, while platform detection confirms activation and activity on a specific application; the two solve different problems.