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@altr
Ukraine旗标 Vorzel, Ukraine
会员,2012年9月19日加入
4 人推荐

altr

在线 离线
- VoIP Expert with more than 7 years experience in FreePBX, Elastix, PBX in a Flash (PIAF), ViciDial and other Asterisk-based systems. - Freeswitch and Sangoma solutions expert - 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
51条评论
5.5
  • 95%完工率
  • 98%预算內
  • 99%准时性
  • 11%重雇率

作品集

最新评论

经验

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).

教育

Specialist

2003 - 2009 (6 years)

资历

Building VoIP networks based on opensource solutions (2012)

Techexpert

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

证书

  • MySQL Level 1
    93%
  • US English Level 1
    90%
  • Unix Level 2
    80%
  • TCP/IP
    78%
  • HTML Level 1
    75%
  • Unix Level 1
    75%

验证

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  • 电话已验证
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  • 邮箱已验证

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