As GreenfieldTech approaches its 10 year anniversary, it seems an appropriate time to clarify that we are not a green tech…

At GreenfieldTech we are passionate about creating new exciting things. We love the thrill of going into the wild, and challenging…

In our previous posts we’ve examined a specific segment of the Asterisk Business eco-system – the long distance calling services (calling cards, callback, etc). While we’ve examined 2 specific models of operation, indicating the pros and cons of this business case – we shall now talk not about a specific case, but more about the requirements for building a specific type of voip business.

Since the inception of GreenfieldTech, back in 2007, we’ve assisted over 40 different VoIP companies to bootstrap their activities and launch their products. During that period, some of these companies had become a great success and some had disappeared from the face of the planet. This series of posts will bring the story of some of them – and we’ll try to analyze what made each company into a success or a failure.

So, you are interested to know – how many calls can a server running on Amazon EC2 can actually handle? Well,…

Here’s a challenging question for the Asterisk technical savvy of you… What is the top performance you can squeeze out of…

Everybody these days are big into cloud computing – be it due to cost constraints, hype requirements or simply because you…