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.

In our previous post (http://bit.ly/1lRRcZp) we’ve explored the world of long distance calling cards, and a small case of provider that…

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.

** This post is cross-posted on www.simionovich.com ** Honestly, this is something I should have already done a long time ago….

Press Release Greenfield Tech brings Cetis to Israel Hospitality industry just got in-Israel phone support Netanya, February 3, 2014 With growing…

Official Videos from Astricon 2013 Security Master Class have been posted Greenfield Technology not only organized these 2 days of security…

During this years Astricon, Eric Klein and myself were entrusted with the task of helping to organize and execute the Asterisk…

We are happy to announce the foundation of the VoIP-On-Tap meetup group. You can register at http://www.meetup.com/voipontap/. The VoIP-On-Tap is an Israeli…

It is that time of year again when we start looking forward to Actually, we are running the Asterisk Security Master…

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