It also works on outgoing calls if the number is not stored in your phonebook. When you have selected your country TrueCaller will start working immediately. With TrueCaller you will also be able to detect calls from abroad and show you who the caller is. With your unique function Udate Phonebook you can by one click search through all your contacts and updates missing information such as street, zipcode and country where data can be found.
Call Filter allows you to mark a call as spam so that you will be reminded next time they call you. With this feature you will also be notified when other TrueCaller-Users has marked a number as spam. You can also under TrueCaller settings enable to block all incoming calls from numbers that you have marked as spam.SMS Popup will show you a preview of the incoming text messages and if the sender is not stored in your phonebook it will also show who the sender is. Connect TrueCaller to your Twitter-account and keep your friends updated when you are on the phone. This can be done under Twitter settings. In some countries there might only be support for landline numbers but this is being updated frequently.
The data is being updated daily which means that if you don't get a match on a number today, you might get it tomorrow. 3G or WiFi connection is required for lookup during incoming calls. You can read more about this application from truecaller.com. The application works with Nokia X6, 5800 XpressMusic, 5530 XpressMusic, N97, N97 Mini and 5230.