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: JumpChat is a free, open-source video conferencing software. It supports features like screen sharing, group messaging, and HD video/audio calling. It's easy to use with an intuitive interface across desktop and mobile.
Type: software
Pricing: Open Source