Infocaller Lite uses an SMS verification system to check the authenticity of the user's SIM card. Whenever a user wants to register, access the service, add a new SIM card or change the SIM card for calling, we will send a verification code in a SMS. After entering the code, the user will be able to do any of the actions we described above.

If a wrong authentication code has been introduced, one of the following messages will show up: