Zhong W.

Zhong W.

Perl hacker and Voip Expert

上海, China

$27.78/hr

(4.72)

What's the difference
Overview

I have more than 6 years working experience of voip industry.
i am proficient in Asterisk, Freeswitch, Kamailio,Fusionpbx, A2Billing, Freepbx,Freeside and Linux Administrator.
And i have planned and built dozen multi-tenant carrier pbx.
i have been always supporting two muti-tenant carrier pbx systems based thirdlane and FusionPBX which both have more than 500 concurrent calls and 3000 registrations extensions.
I am able to coding with C/C++, Perl, PHP, shell, sql and other programming l…

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Work History & Feedback

Custom A2billing Future

“Fast, great speed and and awesome knowledge in a2billing i would defiantly hire again.”
5.00
Fixed Price $167

technician console

“A+”
5.00
13 hrs @ $23.33/hr
Earned $265

Freeswitch

“zhong is very honest and dependable..delivered needed on time in clean and perfect solution”
5.00
Fixed Price $133

Hiding an option and text in CGI script in asterisk !!

“Zhong is an excellent Asterisk engineer. we worked with him for a long time and reccomend him to anyone”
5.00
Fixed Price $10

Asterisk Custom Dialplan

“great work , thankyou Zhong.”
5.00
Fixed Price $56

Asterisk+perl programmer

“Great man, great service.:)”
5.00
713 hrs @ $16.67/hr
Earned $11,894
Tests Taken
Name Percentile Score

Perl 5 Test

50

Programming with C Test

89

Redhat Linux 9.0 General Test

16

U.S. English Basic Skills Test

23