How to Use a Number Screening Platform: Complete Workflow from List Preparation to Result Write-Back

Distinguish carrier-level basic checks from social platform account checks, clarify the operational sequence of E.164 normalization, batch submission method selection, grouped result export, and CRM write-back to help operations and technical teams efficiently clean existing number lists.

How to Normalize to E.164 Before International Number Screening? Rules for Rewriting 4 Types of Dirty Numbers

This article details the practical steps for E.164 normalization before international number screening, including rules for identifying and rewriting 4 types of dirty numbers, and why normalization must precede deduplication and platform checks.

How to Check Phone Number Validity? Four-Step Verification Process and Result Interpretation

Phone number validity requires four levels of verification: E.164 format, line type, carrier reachability, and platform registration. This article details each level's boundaries and the batch cleaning process.