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Lang Hsu | Elance
 
176985602337900
Last Sign-in: Jul 10, 2014

Lang Hsu

Linux/Asterisk/Virtualization Consultant
   Taiwan
  |   Hsinchu, HC
  |  10:26 pm Local Time

Overview

Minimum Hourly Rate $33

I have been working on IT around 10+ years. I'm familiar with Network Administration, Linux Administration and VoIP technical support( that focused on Asterisk)

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Sep 1, 2012|Other IT & Programming|$0|Working
Aug 16, 2012|System Administration|$66|Completed
|
5.0
Nov 22, 2011|System Administration|$22|Working
|
5.0

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Portfolio

VtigerCRM Integration with Asterisk
Install Elastix22 on Amazon EC2
Click to Call on Web(Diagram)
Click to Call on Web
Citrix XenApp Implementation

Skills (3)

Tested
Linux
Linux Test
My Score
avg
Passed
Asterisk
A2Billing

Service Description

Linux System Administration)
Configuration of Linux servers including RedHat, CentOS, Ubuntu, SuSE distribution, monitoring tools(rrdtool, mrtg, nagios, snmp, cacti, munin), VPNs(OpenVPN, n2n VPN, PPTP), mail(sendmail,imap, pop3), DNS(bind), web server(apache+php), firewall(iptables,fail2ban), etc.

Database)
Database(MySQL, Oracle, IBM/DB2) install, configuration and management, built MySQL HA cluster.

Virtualization)
Virtualization platform(Citrix Xen Server, Vmware vSphere/ESX) install, configuration, physical to virtual(P2V).
Amazon EC2/S3 configuration.

Web Application)
Web application for LAMP(phpbb,drupal,joomla,wordpress,etc..) install, migration between two different hosting provider.

Asterisk)
- Raw asterisk and Elastix/Trixbox/PBXinaFlash install, configuration.
- Implemented Asterisk high availability with DRBD.
- Developed some dialplan to access to database for banking request.
- Optimizing Asterisk/Elastix/PBXinaFlash/Trixbox for Amazon EC2(Meetme is functional).

A2Billing)
- VoIP Billing & Termination
- Calling Card with either PIN or Caller ID authentication.
- A2Billing install,configuration and integrating with Elastix/PBXinaFlash/Trixbox.
- DIDs forwarding
- Callback integration including web callback, CID callback, API callback.
- Paypal payment integration
- Configure the trunk to work as wholesale
- Configure the trunk to work as calling card business
- Configure the trunk to work as regular phone (pinless dialing)

Vicidial)
- Implementing a...

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Keywords

Linux
Asterisk
LAMP
VMware
Xen
My Snapshot
Elance Level
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  • 12 months
  • Lifetime
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Identity
Username
alang
Type
Individual
Member Since
June 2010
Elance URL
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0
Lang Hsu | Elance

Lang Hsu