You're probably wondering

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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.