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You can solve common problems by yourself quickly:

Bitcoin and crypto payments may need some time to be fully confirmed
Always use your full virtual numbers in international format. Take care to set the international format with the right country your virtual number is from.
Make a test call from a real phone
Send a test SMS from your real mobile device
Send a test fax from a real fax device
Please make sure you have credits in your account to receive e.g. calls to your phone number
If you need verification codes from third parties, try to receive a call on your number instead of a SMS

Please read carefully:

I read through learning docs and troubleshootings, but that didn't solve my problem.

I read the guideline for third party verifications like for WhatsApp.

Blacktel.io can not assist on any questions about third party services like Facebook, Google, Whatsapp ... as we do not have any access nor information of third party services.

Incoming calls are not free of charge. You need some credits in your account to receive calls to your virtual number. Incoming SMS and Fax are free. Learn more about Pricing.

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我们会在周一至周五的工作日，从早上10点到下午4点（亚利桑那州时区）尽力帮助您