GitHub repository: seun104/AgbaraVOIP
Primary language: C#
Description: It is an Open Source Telephony Application Framework , that allow rapid communication application development framework you can use to create a wide variety of complex applications(IVRs, Billing System, Voicemail, Click to Call etc) in a simple and extensible manner, using the languages you know. It is built on FreeSwitch (http://www.freeswitch.org).