This article shows how to offer SMS OTP gated WiFI using Spotipo Cloud.
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Configure an SMS Gateway
Start by configuring an SMS gateway.
Enable Phone Login
Navigate to the Settings tab on the left. Using Next button, go to Authentication methods and select Phone Login. Press Finish Button to save settings.
Enable One Time Password ( OTP)
Click the Config button next to Phone Login to open up advanced config dialog. Navigate to Login Policy tab and Enable Validation
Testing it out
Navigate to Landing Page tab. Use the DEMO button and see it in action.