Freeje Optimum Virtual number is a mobile application that allows you to add a virtual number to your mobile device, even if you're not living in the country where the service is offered. It is very easy to use, and the whole process takes only a few minutes. You will not need to change your current phone number, and you will not need to buy any additional hardware or subscribe to any additional services. All you need is a mobile phone with a SIM card, and you will be able to make calls and send SMS messages to all the numbers you add.