Description: CSipSimple is an open source SIP client for Android that allows you to make VoIP calls over Wi-Fi or mobile data. It supports common SIP features like call transfer, call forwarding, call waiting, 3-way conferencing, etc.
Type: software
Pricing: Open Source
Description: FaceTime is a video calling app developed by Apple. It allows users to make video calls between Apple devices like iPhones, iPads and Macs over WiFi or cellular networks.
Type: software