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Zfone a VOIP Dialer!
Zfone is a Mobile VoIP dialer application that allows to make VoIP calls from any of the Android devices and it uses 4G/LTE/3G/Edge/Wi-Fi Internet connectivity.It is developed based on the requirements of VoIP Providers business needs
Features :-
It uses SIP protocol based for signaling.
Supports G729,PCMU, PCMA codecs.
Runs Behind NAT or private IP.
User Friendly Interface.
Auto Sync of Balance.
Call History.
Address book integration.
Compatible with all sip standard switches.