7StarCalls is a mobile dialer or application which makes VoIP calls with minimum IOS version support of 3.2 on Apple Iphone, ipad, ipod and it uses the 3G/Edge/wifi Internet connectivity.
7StarCalls is developed based on the requirements of VoIP Providers business needs.
7StarCalls uses SIP protocol based for signaling.
7StarCalls Supports all codecs.
7StarCalls run Behind NAT or private IP.