This App acts as a VoIP SIP client to PC-based tiny IP-PBX (Smart PhoneX) via WiFi for home users. The IP-PBX assigns a unique extension number to each iPhone App, which can then call each other using this extension number.
This App acts as a VoIP SIP client to PC-based tiny IP-PBX (Smart PhoneX) via WiFi for home users. The IP-PBX assigns a unique extension number to each iPhone App, which can then call each other using this extension number.