Hình đại diện của Erewin
@Erewin
Làm thành viên từ 25 tháng 8, 2011
9 Đề xuất

Erewin

Trực tuyến Ngoại tuyến
Hello, my friends! There are what i have done in this 2019-2020 year. 2020: ☑ Ready autodialer based on Issabel in 1 hour with forms and reports. ☑ Ansible script for deploy drachtio and simple JS app ☑ Email2Fax gateway ☑ Webrtc client with web frontend based on SIPJS. ☑ Customize Asterisk for License checking. Written on C inside source files. 2019: ☑ 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
54 nhận xét
6.5
  • 94%Công việc đã Hoàn thành
  • 92%Đúng ngân sách
  • 93%Đúng hạn
  • 15%Tỉ lệ thuê lại

Item portfolio

Các nhận xét gần đây

  • hình của Joseph M. Identify and resolve reason for SIP Call Drop £60.00 GBP

    “Worked quickly and professionally, with a great knowledge of the subject at hand. Would recommend!”

  • hình của Daniel S. Need a script to automate price checks via a store's automated phone system $1400.00 USD

    “Pavel did great work developing an auto-dialer that would save me hours per day. He completed the project in the time-frame that was agreed upon and implemented all changes that I came up with during the project. Highly recommend!”

  • hình của Anthony S. OPENSIPS and JERASOFT $750.00 USD

    “Eremin was a pleasure to work with and expert at the task.”

  • hình của Thananat T. Issabell Voip pbx $140.00 USD

    “good develop very expert”

  • hình của Daniel R. Need an asterisk developer €140.00 EUR

    “It's been a pleasure to work with Eremin, very experienced in the field and patient with our questions about the process. Very efficient and professional.”

  • hình của Ramzu Y. Configure Issabel PBX $50.00 USD

    “This second time doing a project with Eremin was as satisfying as the first. Great work as usual!”

Trải nghiệm

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.

Call-Center

Jan 2013 - Dec 2013 (11 months)

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

ITSP

Feb 2003 - Dec 2012 (9 years)

Giáo dục

engineer

2001 - 2007 (6 years)

Chứng nhận

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