Zadarma is a branded VoIP application for calls with support for the free Zadarma cloud PBX.

No more wasting traffic and battery on a background connection. Push notifications allow you to receive calls always – without maintaining a connection.

Features of the Zadarma application:

• outgoing and incoming calls via Zadarma VOIP telephony (support for multiple accounts in one application – multi-account)
• push notification support for uninterrupted incoming calls and reduce battery consumption
• profitable calls to all directions
• the ability to connect a virtual number in 90 countries of the world
• sending and receiving free text messages between Zadarma clients,
• sending and receiving SMS messages,
• display of balance status and call cost,
• excellent communication quality due to a large selection of codecs,
• automatic integration with the phone book (including the ability to copy the number)
• bonus funds for testing communication after registration on the Zadarma website

Source: Trash Box