
Description: PBX in a Flash is an open source PBX software built on top of Asterisk. It provides a web-based GUI for easier Asterisk configuration and management. Targeted at small to medium businesses.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Yate is an open-source telephony engine and server for VoIP and legacy telephone infrastructure. It supports multiple protocols and interfaces for building communications solutions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API