CALLIT lets you make free to everyone at no charge, provided your contact has the application installed.You will get your callit phonebook contacts, so contacts that have installed callit appear, so avoiding you, having to remember user names, nicknames, etc..CALLIT uses your phone number as an identifier to others, so that to call a person only need to dial your phone number or select it from your contacts, and callit does the rest.Features:- 100%% Free- Excellent sound quality- Use your phone number as an identifier, not have to remember usernames, etc..- Simple and friendly interface- Call History- Dating of callit own- Possibility to disconnect No CallNote: In some 3G networks, especially in data plans with lower speeds of 128kb / s, you may experience certain problems of delays in sound reception. For this reason we recommend using the service via a Wi-Fi or plan to have a flat rate data.Note: If you uninstall the application please delete the account from the preferences screen, so we avoid the existence of unused accounts and storage use unused accounts, thank you very much for your help.