
Description: Asterisk is an open source communications software that allows you to build telephony applications and services. It supports voice over IP, video conferencing, voicemail, auto attendant, interactive voice response, and more. It can be used to build PBX systems, call center solutions, and other communications platforms.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: XiVO is an open-source IP PBX software designed for small and medium businesses. It offers features like call routing, IVR menus, voicemail, call recording, conference calls, and phone provisioning.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API