> For the complete documentation index, see [llms.txt](https://book.konstantinsecurity.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.konstantinsecurity.com/readme/services/sms-registration.md).

# SMS Registration

<https://onlinesim.io/>

[Free virtual numbers for receiving SMS, receiving activation of services and renting a mobile phone](https://onlinesim.io/)

[Registering ChatGPT in Russia](/readme/services/sms-registration/registering-chatgpt-in-russia.md)