Telegram Number Screening Failures: Troubleshooting Order for Format, Privacy, Bans, and Rate Limits

When Telegram number screening produces many format errors, unmatched results, or interrupted tasks, troubleshoot in four areas: number format, user privacy settings, banned or deleted accounts, and rate limits. This article explains how to diagnose each type of problem and why "unmatched" should not be treated as grounds for deleting records when writing results back to CRM.