
Description: VoipSwitch is an open-source VoIP PBX software solution for small to medium businesses. It enables connecting IP phones for making calls over the internet, includes features like call routing, voicemail, conference calling, call queuing, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Ozeki Phone Systems is a VoIP softphone and PBX solution for small to medium sized businesses. It allows making affordable phone calls over the internet and setting up a virtual PBX with features like IVR, voicemail, call conferencing, and call recording.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API