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Frequently Asked
Questions
Find answers to common questions about using Revosim services.
Virtual Numbers
What is a virtual number?
How does a virtual number work?
Do I need a SIM card to use it?
Can I use a number from another country?
Where will I see the SMS after I buy a number?
How long do I have to wait for the SMS?
What should I do if the SMS doesn't arrive?
Do virtual numbers work with every service?
Why might a number not be suitable for registration?
Why does the SMS look like it was "sent" but never arrives?
Why does it matter if the number's country matches my IP?
Does this mean the number doesn't work?
Is there a refund if the SMS doesn't arrive?
What if the service says the number isn't suitable?
How does number renewal work?
Can I extend a yearly number for just one month?
What happens if I don't have enough money?
Can a number be used more than once?
Can I choose a specific number?
Can I use a number for business purposes?
Do I need a VPN or proxy?
Why can't I just buy a number and enter it directly?
What should I do in that case?
Are virtual numbers suitable for Telegram?
Are they suitable for WhatsApp?
Can I receive calls?
What's the difference between a virtual number and an eSIM?
OTP SMS Numbers (One-Time Numbers)
What are OTP SMS numbers?
How are OTP numbers different from regular virtual numbers?
What are OTP numbers used for?
How do I receive an SMS on an OTP number?
How much time do I have to receive the SMS?
How many SMS can I receive on one number?
Do OTP numbers work with every service?
Why doesn't the service accept the number?
Why doesn't the SMS arrive?
Does it matter if the number's country matches my IP?
What should I do if the number doesn't work?
Is there a refund for an OTP number?
Why is there no refund otherwise?
Can I use an OTP number again?
Can I extend an OTP number?
Can I choose a specific number?
Is it safe to use OTP numbers?
Are OTP numbers suitable for long-term accounts?
Why can't I just buy a number and always receive SMS?
How can I improve my chances of receiving the SMS?
Are OTP numbers suitable for Telegram?
Are OTP numbers suitable for Google accounts?
Are OTP numbers suitable for WhatsApp?
Travel eSIM
Where can I buy a Travel eSIM?
What payment methods are available?
Do I need to register to buy one?
Do I need to provide a passport or other documents?
When does the eSIM activate?
How long do I have to activate the eSIM after buying it?
Do I need to do anything upon arrival?
Will the eSIM work in Russia?
Is there a subscription fee?
What happens once the data allowance runs out?
Can I share my internet connection (hotspot)?
Does the eSIM work in every device?
Can I use the eSIM without Wi-Fi?
Can I use the eSIM in several countries at once?
Do I need to turn off roaming?
Is it safe to use an eSIM?
Does the eSIM support calls and SMS?
Does the eSIM come with a phone number?
Which plans include calls, SMS, and a phone number?
When do calls and SMS activate?
What should I do if the internet isn't working?
Can I get a refund for the eSIM?
Can I delete the eSIM?
Can I extend / top up the eSIM?
Can I reuse the eSIM?
What's better: an eSIM or a local SIM card?
Is an eSIM a good choice for travel?
Can I use the eSIM for work and navigation?
Can I manage the eSIM through Telegram?
Do I need a VPN for Telegram?
Virtual Numbers, OTP & Travel eSIM FAQ | Revosim
