Adding a mobile phone number will make the callto.net platform send SMS with verification code to that number.

The SMS contains the code and a link to download the mobile app so besides the verification it is also an easy way to get your colleagues download the app.

Once downloaded they only have to enter the code (on Android devices the code should be read from SMS automatically) to get their app fully provisioned with their callto.net account.

In addition, since the number if now verified a user can set it as his caller ID for offnet calls (offnet means calls to external contacts, not within the callto.net service). It applies not only for the calls made from the app but for all calls made from any device or from the portal.

Adding the mobile number is optional. The users still will be able to use the mobile app by logging in with the email and password which is same as for the portal. The caller ID can be a company number or you can purchase an additional phone number or numbers and assign to users in the Settings/Numbers menu. More about adding numbers is described here.

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