Profile image of altr
Member since September, 2012
4 Recommendations


- VoIP Expert with more than 7 years experience in FreePBX, Elastix, PBX in a Flash (PIAF) and other Asterisk-based systems. - Asterisk failover clusters. - A2Billing Expert (Installation, Administration, Customization) - Chan_dongle comprehensive solutions (GSM gateways, SIM Card diversion, Calls and SMS forwarding, SMS2EMAIL...) - Administering and configuring of PRI and FXO/FXS cards as well (Digium, Sangoma...) - Administering and configuring Mitel, Cisco, Linksys, Yealink phones and softphones. Provisioning solutions. - Administering and configuring GSM Gateways: GoIP, Etel, OpenVOX... - ANTIBLOCK IP AND TRAFFIC COMPRESSION solutions for censored countries such as Pakistan, Iran, China... - Unix/Linux/Windows admin and script writer. - USB over IP solutions for Windows and Linux - Expert in Zabbix-based monitoring solutions. - Web Security Expert: security audits, ethical hacking... - Post-project support included as well!!!
$30 USD/hr
44 reviews
  • 94%Jobs Completed
  • 98%On Budget
  • 99%On Time
  • 11%Repeat Hire Rate

Recent Reviews


IT Engineer

Mar 2010

* Unix/Linux administration; * Administration of enterprise VoIP Network based on Asterisk (more than 250 subscribers) including branch offices; * Administration of Zabbix monitoring solution (more than 200 hosts in total).



2003 - 2009 (6 years)


Building VoIP networks based on opensource solutions (2012)


This certification awarded by ability to build, develop and maintain large enterprise VoIP networks.