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ivan381eu Online Offline
- 84%Jobs Completed
- 100%On Budget
- 100%On Time
- 40%Repeat Hire Rate
A2Billing Calling Card System http://www.bolingo.net
FreePBX Auto Dialer modulevideo
Application Development Programming
“Ivan is a pleasure to work with. Communication is very important and Ivan understands that this essential to the success of a project. He ask questions when appropriate and communicates his progress.”DavidLifson 1 year ago.
REST server & Asterisk SIP-URI call
“supernicework”telef 1 year ago.
ViciDial campaign import customizing
“since completing this project I have done 2 others with him. I really enjoy working with a developer who does not stop at any obstacle. Thanks Ivan!”mattl 1 year ago.
“This guy is great. He has excellent knowledge and does not bullshit. I would highly recommend him for your project unless he is doing another one for me!”DavidLifson 1 year ago.
A2Billing Intigration Phase 1
“Ivan continues to impress me in the knowledge and skill that he has. He is upfront clear and ther is no misunderstanding. Working with Ivan allows me to assign tasks and know that they will be completed without having to follow up. Target dates are met and timelines are provided.”cconroy 1 year ago.
Linux based Dialler
“Project was executed excellently, and in line with project description, very pleased with results and with Ivan's willingness to go beyond what is required and help with what ever he can. Look forward to working with him on future projects.”kam303 1 year ago.
VoIP ConsultantOct 2010 - Apr 2012 (1 year)
- VoIP cluster monitoring, traffic over 10k+ minutes monthly, - Project Management (VoIP Call back solution, DID traffic failover improvement), - Consulting (Advice on new and existing, voice and video services)
Project ManagerSep 2007 - Jul 2010 (2 years)
- SIP server monitoring system, - SIP server adaption for communication via protocol - Ministry of Foreign Affairs of the Republic of Serbia - autonomous telecommunication system (numeration indepedent from local Telco, interoperability with Siemens, Avaya, Panasonic PBXs via ISDN PRI), - VoIP call back solution (PSTN & GSM to VoIP) - Centralized monitoring system for 50+ Asterisk IP PBX installations, - Asterisk based Call center solution design, - Asterisk IP PBX customized solutions, - Mass
University of Belgrade - Faculty of Mathematics1987 - 1991 (4 years)
Red Hat Certified Security Specialist (RHCSS) (2010)Red Hat
An RHCSS certification may be earned by a Red Hat Certified Engineer (RHCE) who has demonstrated deeper capabilities in networking services security, directory services, authentication, and SELinux policy management. An IT professional who earns an RHCSS certification has met the security requirements for today's enterprise environment.
IT weekly "COM"
During the 5 years period I published number of articles about Linux, Web services, VoIP security, Asterisk appliances, Kamailio SIP proxy, MySQL clustering etc.
My Top Skills
- PHP 30
- Asterisk PBX 28
- MySQL 17
- Linux 16
- VoIP 16
- Software Architecture 8
- System Admin 3
- SQL 3
- AJAX 2
- Database Administration 2
- Perl 1
- XML 0
- Data Processing 0
- Data Entry 0
- Excel 0
- Web Scraping 0
- CMS 0
- jQuery / Prototype 0
- eLearning 0
- OCR 0