Current version: 4.1.6, last update: 7 years ago
First release : 28 Jan 2013
App size: 22.29 Mb
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.