RECALL VOIP is a mobile dialer application which makes VoIP calls with minimum iOS version support of 6.0 on Apple iPhone and it uses the 3G/Edge/wifi Internet connectivity.
RECALL VOIP is developed based on the requirements of VoIP Providers business needs.
Features :-
RECALL VOIP uses SIP protocol to handle the outgoingcalls.
RECALL VOIP run Behind NAT or private IP.
User Friendly Interface.
Auto Sync of Balance.
Real Time Sip status messages.
Call History.
Loud Speaker.
Address book integration.
Compatible with all sip standard switches.