Profile image of Erewin
Member since August 25, 2011
5 Recommendations


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Hello, my friends! There are what i have done in this 2019 year. ☑ Webrtc2sip server with Encrypted RTP ☑ Callback + AMD based on FreePBX ☑ click2call php script for Asterisk based PBXs ☑ deploy opensips server (with web panel) with 200cps\6000 concurrent calls ☑ deploy zabbix monitoring system for voip servers ☑ Increase disk space on VM without power off ☑ Moving VMs between ESXI hosts ☑ Colored fax on Hylafax+ ☑ Raspberry Bluetooth Asterisk voip\gsm gateway, ☑ Voip Push Notification iOS, Android ☑ Bluetooth-Asterisk-GSM Gateway, ☑ SIP Load-Balancers Between, ☑ TLS SIP Implementation, ☑ Freepbx Survey module, ☑ Whitelist Kamailio sip server for millions numbers in db, ☑ AGI -> PAMI scripts convert to make server more faster for wholesale, I am voip developer who loves his job. Be free to ask me any question.
$30 USD/hr
42 reviews
  • 92%Jobs Completed
  • 97%On Budget
  • 92%On Time
  • 14%Repeat Hire Rate


Recent Reviews

  • image of Thufail A. Project for Pavel E. ₹4500.00 INR

    “my work completed on time”

  • image of Adnan S. SIP TUNNELING FOR DIALER $150.00 USD

    “Erewin is well experienced guy who can understand your requirement and give you best solution. I wana hire him again and again”

  • image of Dan S. VOIP Phone set-up $550.00 USD

    “Expert technical knowledge and aptitude to go beyond immediate project requirement and created for us a system better than we had originally planned for. Great communication and overall pleasure to work with.”

  • image of Renjan G. Asterisk click 2 call API need to develop from scratch. $320.00 USD

    “Pavel is excellent person to work with. He is very professional and positive and will definitely hire him in future.”

  • image of Simon K. Project for Pavel E. -- 2 $50.00 USD

    “Proud and easy to deal with Pavel E. will hire again”

  • image of Robert W. Asterisk SIP REFER Transfer Not working $75.00 USD

    “Very nice guy. He jumped right on my project.”


DID numbers \ Django \ Python \ VOIP solutions

Dec 2013

We able to make all over solution for telecom based on opensource code. CDRTool, Opensips, Kamailio, Web, Django.


Jan 2013 - Dec 2013 (11 months)

Head of voice department. We making Virtual PBX based on Opensips \ Asterisk


Feb 2003 - Dec 2012 (9 years)



2001 - 2007 (6 years)


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