Duc Le Van

Duc Le Van

VoIP & Web Developer

Ho Chi Minh, Vietnam



What's the difference

Best Service, Best time, Best choice

I am a VOIP developer with more than 3 years. I have worked on many opensource like Asterisk, Kamailio, Freeswitch ...
I have create many system voicemail, call center, sms from small to huge.
I have using many API to VOIP prject like Tropo, Plivo, Twilio, Vitelity ...

I also a web developer with strog skills in PHP, Python, Java, .Net ... I have used many frame work like Wordpress, Magento, Django, Codeigniter...

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Work History & Feedback

Install Sphinx-4

“Project could not be completed”
Fixed Price $47

Upgrading OpenVPX

No feedback given

Fixed Price $78

PLIVO - Need Help Integrating Into our System

Job in progress

54 hrs @ $10.00/hr
Earned $543


Job in progress

Fixed Price $75
Tests Taken
Name Percentile Score

Knowledge of WordPress 3.1 Skills Test




Voice Over IP Test