Developer's DescriptionBy Zadarma ProjectZadarma for Android is a branded VoIP telecommunications app for calls with a Free Zadarma PBX support...Zadarma for Android is a branded VoIP telecommunications app for calls with a Free Zadarma PBX supportFeatures:- Incoming and outgoing calls through Zadarma VoIP (several account support multi account)- Favorable rates on calls to all destinations- Push-notifications that increase the duration of app life in the background and decrease battery consumption- Ability to connect virtual numbers from 90 countries- Sending and receiving free text message between Zadarma clients- Sending and receiving SMS messages- Account balance and call cost display- Great communication quality thanks to an extensive choice of codecs- Automated integration with contacts (including an ability to copy numbers)- Bonus funds for system testing after completing the registration on Zadarma website