DilseCall is a mobile app for Android smartphones that offers a range of functionalities such as VoIP calls & SMSs, cross-OS instant messaging, and much more from data-enabled mobile phones. To use the app, end-users will need an Operator Code which they can obtain from a VoIP service provider. Service providers can use this white-label platform to offer mobile VoIP services in their own brand.

The app offers VoIP calls and SMSs via WiFi, 3G/4G, edge, or UMTS. It also provides cross-platform instant messaging, which means that an Android user can chat with an iPhone user or a Windows OS user can chat with a BlackBerry user. The app offers easy sign-up with mobile number as user ID and automatic buddy list creation with the facility to invite phonebook contacts to install the app. Additionally, it also provides the facility to enable mobile top-up.