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

Nir’s Dangerous demo Nir Simionovich, CEO & Founder Greenfield Tech demonstrates the Ubuntu Phone Challenge Asterisk.   

Mobile VoIP is so damn hard! – by Nir Simionovich Whatsapp, Facebook, Hangouts, Viber, Skype – they all do it, and they…

(Cross posted from The Nir Simionovich blog) Following yesterday’s post, I’ve decided to take another set of data – this time following…

(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…

Come take a look at Nir’s VoIP2Day video Mobile VoIP OTT – Lessons Learned Nir Simionovich | Mobile VoIP OTT – Lessons Learned…

As part of the preparation for IT Expo they are asking the speakers to answer some questions about the current and…

Come and hear the Greenfield Tech team present at IT Expo 2017 February 8 – 10, 2017 in Fort Lauderdale, FL…

FOR IMMEDIATE RELEASE (actual release: http://www.pr.com/press-release/684724 )  GreenfieldTech Executives to Present at Astricon 2016 NETANYA, ISRAEL — 17 August 2016 — GreenfieldTech,…

Nir’s Kamailio World presentation Federated VoIP Switching. Beyond traditional VoIP Switching is now available as a pdf at http://www.kamailio.org/events/2015-KamailioWorld/Day2/16-Nir.Simionovich-Federated-VoIP-Switching.pdf