WhatsApp session without logging out that session

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What Kinds of Phone Numbers Work (and Don't)?
Not all phone numbers are created equal when it comes to WhatsApp verification. For security and service integrity, WhatsApp has specific requirements:

Supported Numbers:
Active Mobile Numbers: These are the primary and most reliable. The number must be able to receive SMS messages and/or phone calls.
Landlines (WhatsApp Business App ONLY): While regular WhatsApp Messenger generally doesn't support landlines, the WhatsApp Business App can be verified using a landline number, often through a voice call verification. This is beneficial for businesses that prefer to use their official landline as their primary contact.
Unsupported Numbers:
VoIP Numbers: While some virtual number providers claim to support WhatsApp verification, WhatsApp's official stance is that VoIP numbers are generally unsupported for security reasons, as they are not always tied to a physical SIM or device in the same way traditional mobile numbers are. Success with these can be russia whatsapp mobile phone number list inconsistent, and they might be more prone to bans.
Toll-free Numbers: Numbers like 1-800 or 0800 are not supported for verification.
Paid Premium Numbers: Numbers that incur extra charges when called or messaged are not accepted.
Universal Access Numbers (UAN).
Numbers already registered and active on another WhatsApp instance: You cannot verify a number that is currently in use on another active
Troubleshooting Verification Issues: Common Roadblocks
Encountering issues during WhatsApp phone number verification can be frustrating, but several common problems and solutions exist:

Incorrect Number Entry: Double-check that you've entered your full international phone number correctly, including the country code, and omitted any leading zeros that are part of your national dialing code (e.g., for 017xxxxxxxx in Bangladesh, enter +88017xxxxxxxx).
No Internet Connection/Poor Signal: A stable internet connection (Wi-Fi or mobile data) is essential for WhatsApp to send and receive the verification request. Poor cellular signal can prevent SMS or calls from coming through.

Call/SMS Blocking: Ensure you don't have any call-blocking apps, settings, or "Do Not Disturb" modes enabled that might prevent the verification SMS or call from reaching your phone.
Outdated WhatsApp App: Make sure you're using the latest version of the WhatsApp app from your device's app store.
Temporary Network Delays: Sometimes, delays can occur due to network congestion. It's often advised to wait the full 10-minute timer before requesting a new code or trying the "Call me" option.
Previously Used/Blocked Number: If the number was previously owned by someone else who set up two-step verification, or if the number has been flagged or blocked by WhatsApp for policy violations, you might face delays or inability to verify. In such cases, contacting WhatsApp support might be necessary.
The phone number for WhatsApp verification is the bedrock of its secure and private communication. While seemingly a simple step, it plays a vital role in ensuring that your conversations remain yours and that you connect with verified users, underscoring WhatsApp's commitment to user trust and data integrity.