Profile image of meral
@meral
Flag of Ukraine Kiev, Ukraine
Member since April, 2007
8 Recommendations

Alexander Merkulov 

We are working with asterisk more then 15 years. Have only linux admins with 20+ years experience in team and asterisk expert with at least 10 years of extensive DEVELOPMENT work. Our primary services are voip systems design , billing for VOIP, web for voip/reporting interfaces. We have done some autodiallers, proved we can do complex modules for freepbx/trixbox, we have a2billing contributors in team. Also we have experience with multi-server voip clusters end virtualized voip services,including ones in amazon ec2. -small and large VOIP system based on SIP protocol -general voip architecture design -web and billing for voip -support for asterisk, freepbx/trixbox and a2billing, openser/kamailio/opensips. -modules and addons for asterisk, freepbx, a2billing -load balance using openser/kamailio/opensips -virtualization with openvz, xen, amazon ec2 service. -support for linux systems and supply services for voip. -create network storage clusters, mysql replicated setup, mysql-clustered experience -per hour support and consulting for all above every finished project have free limited 10 day support&bugfixes. note, we have very few aborted projects, most of them from client side. We have NO "work-in-progress-forever" list like alot of users have. so completion rate is REAL. Only thing we not do is graphical design work, we are sorry but it is hard to be proffessional in voip and design in same time. We are choosing be best in VOIP
$60 USD/hr
223 Reviews
8.3
  • 87%Jobs Completed
  • 99%On Budget
  • 98%On Time
  • 20%Repeat Hire Rate

Recent Reviews

  • image of webshoguns Opensip+Media proxy(for example asterisk pbx) $526.00 USD

    “Very much an expert in his field of expertise, with great professional integrity and honesty as well. A++++”

    webshoguns Flag of Singapore 3 weeks ago.
    • System Admin
    • Linux
    • Asterisk PBX
    • VoIP
    • UNIX
  • image of JasonMilne Databse email $360.00 USD

    “Great Admin. Multi Skilled!”

    JasonMilne Flag of Canada 2 months ago.
    • PHP
    • Linux
    • Asterisk PBX
    • VoIP
    • MySQL
    • Hire me
  • image of maxgo1980 Kamailio (OpenSER) & Asterisk Realtime Integration $526.00 USD

    “Would work with him again, covered all aspects of project as discussed and delivered on time!”

    maxgo1980 Flag of Israel 3 months ago.
    • Asterisk PBX
    • Voice Talent
    • VoIP
    • Telecommunications Engineering
    • Network Administration
  • image of grantwork Asterisk install on Amazon AWS $315.00 USD

    “Good job Meral. Job completed on time, on budget to the required standard.”

    grantwork Flag of United Kingdom 3 months ago.
    • Asterisk PBX
    • Amazon Web Services
  • image of evdbovenkamp Setup VoIP server €100.00 EUR

    “Very fast and accurate.”

    evdbovenkamp Flag of Netherlands 4 months ago.
    • PHP
    • Linux
    • Asterisk PBX
    • VoIP
    • MySQL
    • Hire me
  • image of lemoninteractive Build a custom Queue system $842.00 USD

    “Very professional voip person, it was a custom complex system that he delivered nicely”

    lemoninteractive Flag of Israel 5 months ago.
    • PHP
    • Asterisk PBX

Experience

master voip developer

Mar 2003

voip developer,work as freelancer.

voip developer

May 2000 - Mar 2003 (2 years)

created billign system for voip, voip support cisco/asterisk

Education

Specialist

1999 - 2004 (5 years)

Certifications

CISCO CERTIFIED NETWORK ASSOCIATE (2006)

cisco

Cisco network level basic certification

Publications

articles about voip

FAX/help for begiiners

Exams

  • Unix Level 1
    100%
  • General Orientation
    90%
  • Numeracy 1
    98%
  • Freelancer Orientation
    75%
  • SQL Level 1
    83%

My Top Skills

  • Asterisk PBX 144
  • Linux 137
  • PHP 114
  • VoIP 74
  • MySQL 70
  • Software Architecture 30
  • System Admin 28
  • Engineering 24
  • Script Install 21
  • Software Testing 21
  • Perl 18
  • Project Management 11
  • C Programming 9
  • Windows Desktop 9
  • Website Design 8
  • SQL 8
  • Audio Services 6
  • AJAX 6
  • Python 5
  • Amazon Web Services 5
  • HTML 5
  • UNIX 5
  • XML 4
  • Web Security 4
  • Javascript 3
  • Apache 3
  • Telecommunications Engineering 3
  • Wireless 2
  • Cloud Computing 2
  • Cisco 2
  • C++ Programming 2
  • Database Administration 2
  • Electronics 1
  • Computer Security 1
  • Magento 1
  • Delphi 0
  • SEO 0
  • Accounting 0
  • Customer Support 0
  • Algorithm 0
  • Troubleshooting 0
  • Freelance 0
  • Microcontroller 0
  • User Interface / IA 0
  • Statistics 0
  • Google App Engine 0
  • Paypal API 0
  • Electrical Engineering 0
  • Test Automation 0
  • Technical Support 0
  • DNS 0
  • Project Scheduling 0
  • Mathematics 0
  • jQuery / Prototype 0
  • Arduino 0
  • Brain Storming 0
  • Debugging 0
  • Russian 0
  • VPS 0

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