Cross posted from Nir Simionovich’s blog I love the feeling of unboxing a brand new IP phone, specifically, when it’s one that…

Over the course of the past few weeks, multiple bomb threats had been raised against various Jewish Community Centers in the…

(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…

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….

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

[info_box]This is a cross post – the original post was posted by me on the Humbug Project blog – here[/info_box] First…

As you know, fraud analysis and Telephony Security forensics are a big thing here at GreenfieldTech. As our CEO, Mr. Simionovich,…

Since early 2009, GreenfieldTech had been rendering Asterisk support services to various business entities in Israel and around the world. GreenfieldTech…