Quem Ligou? is a website that serves as a national reverse phone directory, helping users identify unknown phone numbers. The brand aims to provide a platform for users to share their experiences and comments about calls they have received in order to help others determine the legitimacy of the calls they receive. The website aims to gather comprehensive information about phone numbers in Portugal and is open to user contributions to enrich the content.

The platform allows users to classify calls and leave comments, helping to create a community-driven database of phone numbers. Providing both general information about the brand and the specific services it offers, Quem Ligou? offers a valuable resource for individuals looking to identify or report unknown or suspicious phone calls. This brand encourages users to contribute to the community and actively engage in enriching the content for the benefit of all users.