Issabel is described as 'Your Open Source Solution For Unified Comunnications And More…
Issabel™ is a free and open source software that allows you to build communication tools for businesses' and is an app in the Network & Admin category. There are three alternatives to Issabel for Linux, Mac, Self-Hosted solutions, Windows and BSD. The best alternative is FusionPBX, which is both free and Open Source. Other great apps like Issabel are Wazo (Free, Open Source) and Elastix (Freemium).
- 3 alternatives