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You have some general questions about blacktel.io? Send us a message and we try our best to help you.



We want to help you as fast and accurate as we can. Please add all the informations that are relevant for your request, like:
To add screenshots, please use some free image hosting service like imgur.com and paste url to your message
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




We are not robots!

We try our best to help on business days from Monday to Friday 10AM till 4PM (OESZ timezone)



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