VoIP Developers For Hire

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Showing 44 results
  • Hire     mula9211
Hire     mula9211

    mula9211 mula9211

    Ukraine $20 USD / hour
    I have excellent skills in developing VOIP systems
    Ukraine
    6.1
    46 reviews 46 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) - Press 1 solutions - Web Services & API for Mobile Application - Mobile Apps I have been supporting various termination equipment/hardware like TELES, 2N, ANTRAX, DINSTAR, GOIP less
  • Hire mula9211
  • Hire     Erewin
Hire     Erewin

    Erewin Erewin

    Russian Federation $30 USD / hour
    Voip developer
    Russian Federation
    6.6
    59 reviews 59 reviews $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     agilepksolutions
Hire     agilepksolutions

    agilepksolutions agilepksolutions

    Pakistan $50 USD / hour
    .NET(C#,MVC,Desktop,Web) +8 years experience
    Pakistan
    5.3
    1 review 1 review $50 USD per hour
    I am developing .NET solutions from +7 years and I provided successful solutions for my great clients all over the world. Few of them I would like to mention :). 1. Alphacell (South Africa) Company having business of selling virtual products through Kiosks/Machines. Provided complete management system for...
    I am developing .NET solutions from +7 years and I provided successful solutions for my great clients all over the world. Few of them I would like to mention :). 1. Alphacell (South Africa) Company having business of selling virtual products through Kiosks/Machines. Provided complete management system for whole system and currently working on hardware level re implementation of Kiosk software. (Bill Printer, Currency, Coins Hopper etc. ). 2. Brain Behind and Fintrax (Austria/UK) Provided shopping vouchers validations through Kiosk terminal at airport system having Passport and vouchers scanning hardware support. 3. Jack Roe USA (USA) I am part of development for this great company from USA who have their solution for Cinema theaters and Retail business. My main part in development is to support Credit Card processing through payment terminals. The one and only one skill I made myself expert is C# and MVC in web solutions on .NET plateform. less
  • Hire agilepksolutions
  • Hire     AntonioTejeda86
Hire     AntonioTejeda86

    AntonioTejeda86 AntonioTejeda86

    Mexico $40 USD / hour
    Linux, Mysql, Asterisk, Web Development
    Mexico
    4.6
    7 reviews 7 reviews $40 USD per hour
    I have been responsible for the proposal, installation and support of many projects around the world, especially for large resort hotels, I have extensive experience in open source, Linux, Database.
    I have been responsible for the proposal, installation and support of many projects around the world, especially for large resort hotels, I have extensive experience in open source, Linux, Database. less
  • Hire AntonioTejeda86
  • Hire     rakibulinux
Hire     rakibulinux

    rakibulinux rakibulinux

    Bangladesh $30 USD / hour
    Quick High-Quality Linux Support
    Bangladesh
    4.4
    5 reviews 5 reviews $30 USD per hour
    Thanks for reading my profile. My name is Rakib. I have included real screenshots into my freelancer profile that prove my technological capabilities and help you understand whether i am fit for your job or not!! I am a professional Linux System Admin for Cutting-Edge open source Technology. My Technology...
    Thanks for reading my profile. My name is Rakib. I have included real screenshots into my freelancer profile that prove my technological capabilities and help you understand whether i am fit for your job or not!! I am a professional Linux System Admin for Cutting-Edge open source Technology. My Technology Stack ================== - Git, GitHub, GitLab - Ubuntu, CentOS, Debian - AWS, Digital Ocean, Google Cloud, Azure, Linode, Vultr - WordPress, Joomla, Drupal - Jitsi Meet, OpenMeet, BigBlueButton, Zoom, Video Conference - VOIP using Asterisk, Kazoo, FreePBX - SMS Gateway, SMPP setup - Cryptocurrency exchange development, Blockchain, Smart Contract setup - Docker, Ansible, Puppet, Vagrant, Capistrano, Kubernetes, Netdata Let's Get To Work Now! If I apply your posting projects that means I'm interested in your projects and I have the confidence to deliver this on time. You can pay me after your job is done & you are happy to pay. Please send me a message so that we can discuss it more. less
  • Hire rakibulinux
  • Hire     arodrigue
Hire     arodrigue

    arodrigue arodrigue

    Dominican Republic $35 USD / hour
    Asterisk/Linux Expert /PHP/MySQL/Python Dev 16 yrs
    Dominican Republic
    6.2
    79 reviews 79 reviews $35 USD per hour
    Hello my name is Ambiorix, welcome to my profile. I'm an active member of the Asterisk community since 2007 . I'm always willing to make any demo at no cost before you hire me, just to make sure I will provide you exactly what you are looking for. I have extensive, practical and relevant industry experience in the...
    Hello my name is Ambiorix, welcome to my profile. I'm an active member of the Asterisk community since 2007 . I'm always willing to make any demo at no cost before you hire me, just to make sure I will provide you exactly what you are looking for. I have extensive, practical and relevant industry experience in the following area : -> Asterisk and FreePBX customizations. -> Custom Asterisk Development (PHPAGI,Bash Scripting). -> Hosted PBX Solutions (Amazon AWS, DIgitalOcean, SolarVPS). -> Recording System -> Call Reporting (CDR) -> Complex IVR Solutions (Databases Integrations, Web app Integration). -> Call Center Solutions (Vicidial,Goautodial). -> Broadcasting System. -> Technical Consultancy. -> Asterisk & MYSQL-PHP Integration. -> Asterisk Security (Fail2ban, IPTABLES). -> PHP and MYSQL Developer. less
  • Hire arodrigue
  • Hire     lawrence37
Hire     lawrence37

    lawrence37 lawrence37

    United Kingdom $50 USD / hour
    Senior Network / Server Engineer
    United Kingdom
    3.8
    3 reviews 3 reviews $50 USD per hour
    I have over 20 years system administration experience with a number of distributions of linux / unix and windows server, working for a large number of blue chip companies here in the UK. Skill-List (Including but not limited to): Windows 2000-2016 Server Exchange 2003-2016, Office365 Linux / Unix Administration SAN...
    I have over 20 years system administration experience with a number of distributions of linux / unix and windows server, working for a large number of blue chip companies here in the UK. Skill-List (Including but not limited to): Windows 2000-2016 Server Exchange 2003-2016, Office365 Linux / Unix Administration SAN Storage (NetApp, EMC Clariion, HP MSA/EVA/Lefthand) Server Virtualization (Vmware ESX, XenServer, Openstack) Desktop Virtualization (Vmware View, Xen Desktop) Application Virtualization (Thinapp, Xenapp) Networking (Cisco, Juniper, HP, Extreme, Ubiquiti) Firewall / IDS (Cisco, Fortigate, Juniper) Backup (CA Arcserve, HP Data protector, R1Soft, Veeam) Server administration (MsSQL, MySQL, Oracle (inc forms & reports), InnoDB, IIS, Apache, SCCM, WSUS) VoIP Solutions (Nortel, Avaya, Shoretel, Asterisk, FreePBX) Penetration Testing / Server Security/Hardening WHMCS, DirectAdmin, cPanel, Webmin AWS, Azure Config/Management Wordpress speed optimisation both server side and wordpress itself. less
  • Hire lawrence37
  • Hire     globalnetideas
Hire     globalnetideas

    globalnetideas globalnetideas

    Bahrain $40 USD / hour
    Professional PHP/Wordpress/C# Developer
    Bahrain
    3.8
    1 review 1 review $40 USD per hour
    My first priority is my clients respect and 100% privacy of their content and details provided. I have more than 12 years experience in following developments 1) HTML, CSS, JavaScript 2) PHP, Ajax, C# 3) Wordpress, Drupal 4) PrestaShop, Woocommerce, OpenCart ( eCommerce ) 5) Twilio / Nexmo API Development 6)...
    My first priority is my clients respect and 100% privacy of their content and details provided. I have more than 12 years experience in following developments 1) HTML, CSS, JavaScript 2) PHP, Ajax, C# 3) Wordpress, Drupal 4) PrestaShop, Woocommerce, OpenCart ( eCommerce ) 5) Twilio / Nexmo API Development 6) Customized CRM Development Looking forward for your great Cooperation. Thanks less
  • Hire globalnetideas
  • Hire     dailas
Hire     dailas

    dailas dailas

    Russian Federation $25 USD / hour
    System Administrator Asterisk
    Russian Federation
    5.8
    65 reviews 65 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
  • Hire dailas
  • Hire     expertcoder1vw
Hire     expertcoder1vw

    expertcoder1vw expertcoder1vw

    Malawi $50 USD / hour
    Software design and development expert
    Malawi
    3.4
    1 review 1 review $50 USD per hour
    Expert software developer with 25 years of experience in the IT industry, with a focus on provision of quality service, with skills in database software design and development on Windows platform. + Turnkey software design and development services + Database design and development + Windows desktop application...
    Expert software developer with 25 years of experience in the IT industry, with a focus on provision of quality service, with skills in database software design and development on Windows platform. + Turnkey software design and development services + Database design and development + Windows desktop application software design and development + Web application software design and development + Software support and maintenance service + Software product commercialization and licensing service + Software product marketing service less
  • Hire expertcoder1vw

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