Nir Simionovich
CEO at
Greater New York City Area | Telecommunications

Entrepreneur and CEO of who leads our innovative infrastructure backbone solution with the goal of helping companies enrich their apps and products.

Professional Asterisk application and platforms developer with a flair for platform development in various fields, as well as an Open Source integration expert and evangelist. I'm highly involved within the Israeli Open Source community - and I'm a devoted Open Source promoter. I'm always interested in projects that bring together the voice and IP world.

Asterisk Guru
Telecom Fraud Specialist
VoIP Security Specialist
Code Hacker, Technology Coach
Author, Blogger, Lecturer
Business Mentor, Start-up Mentor

CEO and Founder (2015 - Present)
Privately Held, 11-50, Telecommunications is a revolutionary Communications Platform as a Service (CPaaS) that, unlike traditional CPaaS, provides cross-network cloud solutions, enabling enterprises to augment the Cloudonix platform as an integral part of their network.
As company CEO and Founder, my role is to advance the company's sales and business development activities. At its inception, we invested over $2M of our own funds in order to bootstrap and advance the company (over a period of 2 years). Since its inception in June 2015, the company has been cash-flow positive with active customers, completed achievements, and success stories.

Chairman and Founder (2007 - Present)
Greenfield Technologies
Privately Held, 11-50, Telecommunications

GreenfieldTech is the realization of a dream I've had over the past 10 years: the establishment of a consulting firm that is able to bridge the gap between open source and commercial products. Since 2007, we've catered to various companies such as Jajah, Vodafone, 012, Bezeq, ClickSoftware and The Israeli Government, and others.

My role as CEO is to advance the company's service portfolio and its customer base. Currently, is highly focused on building "The Greenhouse", its technology and startup launch-pad.

Founder and Maintainer (2005 - Present)
The Israeli Asterisk User Group

I'm the community founder of the Israeli Asterisk Users group and website maintainer, which is hosted at - in hebrew.
I've been closely involved within the global Asterisk community since the year 2003 and since 2005 I've been the main promoter in Israel.

Additional information

Skills and Certifications

  • SAIR/GNU Certified Linux Professional (LCP)
  • SAIR/GNU Certified Linux Administrator (LCA)
  • SAIR/GNU Certified Linux Instructor (LCI)
  • Digium Certified Asterisk Professional (dCAP)
  • Open Source Telecom and ISP Infrastructure
    • Asterisk Open Source PBX
    • Kamailio SIP Server
    • GNU GK (Open H323 Gatekeeper)
    • Free Radius
  • Networking Skills:
    • CheckPoint Firewall Administrator
    • Cisco ASA Firewall Administrator
    • pfSense Firewall Administrator
    • Cisco Router¬†Administrator including BGP4 and High Availability configurations.

Experienced with

  • Programming Languages: C/C++, PHP, JAVA, Python
  • Development Environments: Eclipse IDE, InteliJ Idea, phpStorm
  • Operating Environments: Windows (all versions), Solaris, Linux
  • Scripting Experience: bash, tcsh, perl, php-cli
  • Commercial Products: Windows Server (Standard and Enterprise), MS-SQL, CheckPoint VPN1, NG and NGX
  • Open Source Products: Postfix, Courier IMAP, MySQL, FreeRadius, Asterisk, GNU GK, Kamauilio, Apache (BrainBench Certified).

Publications, Books and awards

  • “The VoiceCon RFP: Walking the path of the penguin’ – Can an open source VoIP solution meet Allan Sulkin’s criteria? Of course! – Published Aug 2007-11-19
  • “AsteriskNOW – A Practical Guide” – Published by Packt Publishing, March 2008.
  • “Asterisk 1.4 and 1.6 AGI Programming” – Published by Packt Publishing, Jan 2009
  • Winner of the Digium Innovation Award – Pioneer Division – 2008
  • Winner of the Digium Innovation Award – Pioneer Division – 2009

Open Source and Community Affiliations

  • The Asterisk Open Source PBX Project – Active member since late 2002
  • Founder of the Israeli Asterisk users group ( – since 2005.
  • The Israeli Linux Users Group – Active member since 1996.
  • Co-founder of the Haifa Linux Users Group (haifux) – 1998.
  • The GnuGK OpenH323 Gatekeeper – Active member since 2003.