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  • Hire     mula9211
Hire     mula9211

    mula9211 mula9211

    Ukraine $20 USD / hour
    I have excellent skills in developing VOIP systems
    Ukraine
    4.4
    11 reviews 11 reviews $20 USD per hour
    I have provided a wide range of IT solutions including VoIP Software, Websites & Mobile Apps development for small businesses and start-up companies as well as for large enterprises. I have expertise in VoIP/SIP, FreeSWITCH, FusionPBX, ASTPP, OpenSIPs, Kamailio, WebRTC, MediaProxy, RTPproxy, RTPengine, Asterisk,...
    I have provided a wide range of IT solutions including VoIP Software, Websites & Mobile Apps development for small businesses and start-up companies as well as for large enterprises. I have expertise in VoIP/SIP, FreeSWITCH, FusionPBX, ASTPP, OpenSIPs, Kamailio, WebRTC, MediaProxy, RTPproxy, RTPengine, Asterisk, FreePBX, A2billing, Linux & OpenSource Consulting, MySQL, PostgreSQL, PHP, Yii, Apache, Nginx, Android,Odoo I have developed following VoIP and IT solutions: - CRM integrations through APIs - Class4 & Class5 Soft Switches - ASTPP Billing/calling card - SIP Load Balance & Fail-Over - IVR Application - Fax over IP (FoIP) - T38 Supported FAX Server - Voice broadcast ring less/conventional - SIP Messaging Server - High scalable Least Cost Routing(LCR) with Fail-Over - Session Border Controller(SBC) - RESTfull API - Web Services & API for Mobile Application - Android Mobile Apps I have been supporting various termination equipment/hardware like TELES, 2N, ANTRAX, DINSTAR, GOIP less
  • Hire mula9211
  • Hire     vladimirumnov
Hire     vladimirumnov

    vladimirumnov vladimirumnov

    Russian Federation $26 USD / hour
    system administrator and linux programming
    Russian Federation
    1.1
    1 review 1 review $26 USD per hour
    Please do not create personal project for me - instead create project with detailed description and proper project name and send invite. I do not develop kodi or enigma addons/plugins! I do not work via teamviewer for projects with cost < 200$ I'm working as system administrator at ISP more than 14 years. I have...
    Please do not create personal project for me - instead create project with detailed description and proper project name and send invite. I do not develop kodi or enigma addons/plugins! I do not work via teamviewer for projects with cost < 200$ I'm working as system administrator at ISP more than 14 years. I have experience with linux more than 16 years, it includes firewall, raids, any typical services (like apache,nginx,exim,dovecot,ejabberd,samba, etc), backups (bacula, rsync), monitoring (custom scripts, nagios, cacti, zabbix, munin). I have 8 years good practice with voip, 6 years experience with asterisk, also I developed voip traffic analysis app for gathering statistics from rtcp packets. I use python for my work automation (scripting). I can setup home routers, voip adapters, switches (dlink, low models of cisco, huawei, tplink), some low experience with routers alcatel sr, juniper erx. I'm also interested in short project with programming in python, delphi, c, php. less
  • Hire vladimirumnov
  • Hire     Erewin
Hire     Erewin

    Erewin Erewin

    Russian Federation $30 USD / hour
    Voip developer
    Russian Federation
    1.4
    1 review 1 review $30 USD per hour
    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....
    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. less
  • Hire Erewin
  • Hire     dailas
Hire     dailas

    dailas dailas

    Russian Federation $25 USD / hour
    System Administrator Asterisk
    Russian Federation
    2.3
    2 reviews 2 reviews $25 USD per hour
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk...
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk Administrator FreePBX Sangoma Certified Essential PBXact Sangoma Certified Essential less
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