pascom Phone System is described as 'Leverage maximum potential and cost effectiveness with VoIP telephony. Perfectly optimise your internal and external communication and intelligently shape your business processes around your business objectives' and is an app in the Social & Communications category. There are five alternatives to pascom Phone System for a variety of platforms, including Windows, Linux, Mac, Android and iPhone. The best alternative is Asterisk, which is both free and Open Source. Other great apps like pascom Phone System are 3CX Phone System (Freemium), FreePBX (Free, Open Source), PBXware (Paid) and VoipSwitch (Paid).
FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server. FreePBX is licensed under the GNU General Public License (GPL), an open source license.