We are extremely happy, delighted and excited to be attending ITEXPO 2018 – as speakers and panelists. Eric Klein and Nir…

May 8-10, 2017 in Berlin, Germany Come hear GreenfieldTech’s Nir Simionovich present at Kamailio World. ♦ Scaling VoIP – The AWS Advantage…

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

(Cross posted from http://www.simionovich.com/2017/01/08/telephony-fraud-still-going-strong/) Who would believe, in the age of Skype, Whatsapp and Facebook – telephony fraud, one of the most…

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.

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…