Viberplus MoSIP is a free mobile app available for Android and other smartphones, which provides a variety of features like VoIP calls, SMSs, cross-platform instant messaging, and more. It can be used with data-enabled mobile phones, including 3G/4G or WiFi, and requires an Operator Code that can be obtained from a VoIP Service Provider. With this app, Service Providers can offer mobile VoIP services in their brand name using a white label platform.

One of the most significant features of Viberplus MoSIP is cross-platform instant messaging, which allows Android users to chat with iPhone users, and Windows OS users to chat with BlackBerry users. This feature offers unlimited mobile chatting and increases stickiness to your brand. The app also has an easy sign-up process with a mobile number as the user ID, automatic buddy list creation, and the facility to invite phonebook contacts to install the app. Additionally, the app has a facility to enable mobile top-up.