Cullian is an OTT (Over The Top) VoIP and instant messaging application that allows users to make voice calls to fixed lines and mobile phone numbers at very low rates, with very low data usage as well as free app to app (Cullian to Cullian) calls.

 Whether it is sending or receiving a variety of media: text, photos, videos, and documents, as well as voice calls, Cullian connects users around the world with each other. And in the workplace, this means you can communicate with all of your workers, partners and customers together to get things done.

 Because Cullian is an OTT application, users will need to have an active internet connection via WiFi or mobile data to use it.

 Users will need to have bought Cullian credit to make calls to fixed and mobile numbers.

 Cullian is available for download on the Google Play Store for Android smartphones and the iPhone AppStore for iOS smartphones.