VoIP Developers For Hire

  • VoIP
Suggestions:
more

Countries

Specific Location

Exams

Hourly Rate (USD)

Rating

Online

  • Hire polto
    4.1
    4 reviews $20 USD per hour
    Programming : c c++ Qt4 Qt5 node.js sql Technologies (Libraries): AUDIO ( portaudio lib ) IMAGE PROCESSING ( opencv lib) MQTT ( mosquitto lib) VOIP/SIP ( pjsip lib) Systems : Linux MAC OSX ...
    Programming : c c++ Qt4 Qt5 node.js sql Technologies (Libraries): AUDIO ( portaudio lib ) IMAGE PROCESSING ( opencv lib) MQTT ( mosquitto lib) VOIP/SIP ( pjsip lib) Systems : Linux MAC OSX Embedded Linux Create Linux Embedded systems from scratch ( Cross Compiling) hardware Modules : Raspberry PI Arduino XBEE RFID GSM SIM800 SIM900 GPS MODBUS (TCP/IP) (RTU) CANBUS TOUCHSCREEN LORA PHPOC less
  • Hire dailas
    4.7
    20 reviews $20 USD per hour
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support.
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. less
  • Hire Asterisker
    4.8
    39 reviews $14 USD per hour
    Work with VoIP and PSTN, experience with the signaling protocols: SIP, SDP, RTP, IAX2, H323, SS7, TLS, SRTP. Interfaces DAHDI, AMI, AGI, PRI. Setting up and supporting Call centre, about 30 operators. Setting up VoIP using Asterisk, dialplan creating, developing Asterisk code, PHP, bash. Assisting developers with...
    Work with VoIP and PSTN, experience with the signaling protocols: SIP, SDP, RTP, IAX2, H323, SS7, TLS, SRTP. Interfaces DAHDI, AMI, AGI, PRI. Setting up and supporting Call centre, about 30 operators. Setting up VoIP using Asterisk, dialplan creating, developing Asterisk code, PHP, bash. Assisting developers with any service-related issues or feature requests. Jointly managing a network of 300 phones. Reporting based on CDR, CEL, queue_log database data. Configuring VoIP gateways Cisco, Addpac, Allvoip, Linksys, Snom, Polycom, GrandStream, D-Link, softphone Zoiper Communicator. PSTN ATS Panasonic KX-TDA100 KX-TDA200. Auto-provisioning with xml files via TFTP, HTTP, HTTPS protocols. Testing with sipp. Data quality for associated reporting systems. Configuring and monitoring VoIP equepment with Zabbix, Cacti, Monit, MRTG Extensive experience administering Linux servers. (Centos, Debian) . Services Apache, NGINX, DNS DHCP TFTP MySQL. Some experience with virtualization on VMware ESXi less
  • Hire frugees
    3.5
    2 reviews $30 USD per hour
    Sr. Network Consultant CCNP / CCIP / MCITP / LPI Level 3 / ITIL FOUNDATIONS Active Since 2008 for Binary Integrated Solutions
    Sr. Network Consultant CCNP / CCIP / MCITP / LPI Level 3 / ITIL FOUNDATIONS Active Since 2008 for Binary Integrated Solutions less
  • Hire catlook
    3.8
    14 reviews $111 USD per hour
    I’ve been recording audio for web videos, online classes, phone systems, video games, and audio books for over three years. I have a studio with state-of-the-art equipment and do all my own quality assurance, editing, post-production and mastering so that I can guarantee the finished product. I’m easy to work with,...
    I’ve been recording audio for web videos, online classes, phone systems, video games, and audio books for over three years. I have a studio with state-of-the-art equipment and do all my own quality assurance, editing, post-production and mastering so that I can guarantee the finished product. I’m easy to work with, and I’m eager to tweak my recording until it matches your vision! less
  • Hire leonik375
    4.5
    18 reviews $10 USD per hour
    I have spent more than 10 years on computers administration My skills: - Linux servers - setup and support - Windows servers - setup and support - Any desktop OS - Asterisk|FreePBX|Elastix - MySQL, msSQL, and all database engines you can even imagine - All kind of network gear(routers, switches, etc.) - I have...
    I have spent more than 10 years on computers administration My skills: - Linux servers - setup and support - Windows servers - setup and support - Any desktop OS - Asterisk|FreePBX|Elastix - MySQL, msSQL, and all database engines you can even imagine - All kind of network gear(routers, switches, etc.) - I have some experience in MailChimp less
  • Hire responsibleguy
    3.1
    1 review $20 USD per hour
    We seriously look into this website as a way to do long term co-operation with professional employers. We've been successful so far..
    We seriously look into this website as a way to do long term co-operation with professional employers. We've been successful so far.. less
  • Hire somnathde
    2.8
    1 review $20 USD per hour
    1 stop solution in PHP, Magento and Wordpress.
    1 stop solution in PHP, Magento and Wordpress. less
  • Hire GrArtem
    0.6
    1 review $20 USD per hour
    I'm a System Administrator with more than 4 years of experience on building networks, services, solutions based on Windows and Linux(corporate mail servers, routing, firewall, VPN, trunking, proxy, web-servers, etc), with solid references. Key skills Linux, CentOS Web Panel Windows Server from 2003 to 2016, Active...
    I'm a System Administrator with more than 4 years of experience on building networks, services, solutions based on Windows and Linux(corporate mail servers, routing, firewall, VPN, trunking, proxy, web-servers, etc), with solid references. Key skills Linux, CentOS Web Panel Windows Server from 2003 to 2016, Active Directory,DNS,DHCP,DFS,File&Storage Server,Security,Group Policy,IIS,Print Server,RDS, Provisioning packages Virtualisation: HyperV, VMWare WSUS,Windows Deployment Services (WDS) Backup: Windows Backup, NetBackup Firewall: Cisco ASA(L2TP/IPsec/Anyconnect/etc.), Kerio Control VPN: openvpn, cisco anyconnect, IPSec tunnels Office 365 Scripting: Batch scripts, PS tools, Chocolatey Web services: IIS, WebDAV, SSL Kerio Control, Squid, VPN, IPtables, Revers Proxy/Virtual hosts Cloud/hosting: Azure, Amazon WS, Digital Ocean, OVH, GoDaddy, Bluehost, Siteground. CloudFlare JIRA+Confluence (administration) ZOHO mail MAC OS Virtualizion VoIP: 3cx, Twillio, Zadarma less
  • Hire tejoel
    3.2
    6 reviews $25 USD per hour
    I'm a developer with know knowledge with php, ajax,node js, angular js,html5, asterisk,kamailio, focused on solutions to increase sales as Automatic Dialers, Landing Pages, E-commerce, CRM. I was Developing with Frameworks like Zend Framework, Codeigniter, Angular JS, , nodejs, Doctrine, voice recognition and speech...
    I'm a developer with know knowledge with php, ajax,node js, angular js,html5, asterisk,kamailio, focused on solutions to increase sales as Automatic Dialers, Landing Pages, E-commerce, CRM. I was Developing with Frameworks like Zend Framework, Codeigniter, Angular JS, , nodejs, Doctrine, voice recognition and speech recognition with asterisk. i I have developed themes in magento 2 and wordpress plugin. I have made integrations with payment gateways like Paypal, well as RESTful Web Services. i have more the 8 years the experiencie in contact centers solutions. less

Hey , here are some offline freelancers

Hey , here are some offline freelancers matching ""