Hello guys!

I'm here to give you a useful advice on how to develop your own Windows PBX system.
Recently I started a project to build a PBX system. Back then I was a newbie at this topic so I did a little research on it. After I have visited as many sites as possible I found this one called Windows PBX Guru (here is the link
For me it was such a great help because it includes all necessary information about PBXs from the very beginning.
So if you are planning to develop your PBX system you have to check this site. It will be good for those who only want to know more about PBXs.

I hope my advice will help you too!