Clerk’s Two Factor Authentication (or Multi-Factor) Authentication (MFA) app allows you to receive verification codes from any online service. Clerk supports both virtual and non-VoIP phone numbers. Use Clerk on any website and speed up logging in with your partners and employees by receiving one-time passwords and verification codes.
Features:
A VoIP number, also known as Voice over IP number, is a virtual phone number that works with most online services to receive one-time passwords (OTP), but not all. A number of services can work with a virtual phone number via voice transcription.
<aside> 💡 Note: By default when you provision a Clerk phone number in Slack you get assigned a virtual phone number.
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Non-VoIP or Real phone numbers are usually required by highly sensitive websites such as banks, Facebook, Linkedin... This type of phone number will work with ALL online services.
<aside> ✅ All Clerk Non VoIP numbers are USA based real phone numbers that will work with ALL online services.
To enable a non-voip number on your account please reach out to [email protected]
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