sms code what is that?

[Dan14]

They are asking for an sms code to sign in , what is that and where do I get it? 

[sachinzoom]

For login, an OTP is usually sent to email. Follow this article:

https://support.zoom.us/hc/en-us/articles/6188435206157-Verifying-your-account-via-one-time-password...