VoIP Developers For Hire

Suggestions:
more

Countries

Specific Location

Exams

Hourly Rate (USD)

Rating

Online

  • Hire meral

    meral

    Ukraine
    57 Reviews
    $60 USD per hour

    Top Skills: Asterisk PBX, Linux, PHP, VoIP, MySQL

    We are working with asterisk more then 15 years. Have only linux admins with 20+ years experience in team and asterisk expert with at least 10 years of extensive DEVELOPMENT work. Our primary services are voip systems design , billing for VOIP, web for voip/reporting interfaces. We have done some autodiallers, prov ...

    We are working with asterisk more then 15 years. Have only linux admins with 20+ years experience in team and asterisk expert with at least 10 years of extensive DEVELOPMENT work. Our primary services are voip systems design , billing for VOIP, web for voip/reporting interfaces. We have done some autodiallers, proved we can do complex modules for freepbx/trixbox, we have a2billing contributors in team. Also we have experience with multi-server voip clusters end virtualized voip services,including ones in amazon ec2. -small and large VOIP system based on SIP protocol -general voip architecture design -web and billing for voip -support for asterisk, freepbx/trixbox and a2billing, openser/kamailio/opensips. -modules and addons for asterisk, freepbx, a2billing -load balance using openser/kamailio/opensips -virtualization with openvz, xen, amazon ec2 service. -support for linux systems and supply services for voip. -create network storage clusters, mysql replicated setup, mysql-clustered experience -per hour support and consulting for all above every finished project have free limited 10 day support&bugfixes. note, we have very few aborted projects, most of them from client side. We have NO "work-in-progress-forever" list like alot of users have. so completion rate is REAL. Only thing we not do is graphical design work, we are sorry but it is hard to be proffessional in voip and design in same time. We are choosing be best in VOIP less

  • Hire kingAsterisk

    kingAsterisk

    India
    5 Reviews
    $15 USD per hour

    Top Skills: Asterisk PBX, VoIP, Linux, MySQL, Python

    We are provides Desktop Management, Server Management, Network Management( Windows & Linux Both) & call center solutions with products ranging from Soft Predictive dialers to VoIP Gateways from VoIP minutes to Servers.. 1. Predictive Dialer on RENT(EMI) 2. Predictive Dialer with UNLIMITED MINUTES (COMBO PACK) 3. P ...

    We are provides Desktop Management, Server Management, Network Management( Windows & Linux Both) & call center solutions with products ranging from Soft Predictive dialers to VoIP Gateways from VoIP minutes to Servers.. 1. Predictive Dialer on RENT(EMI) 2. Predictive Dialer with UNLIMITED MINUTES (COMBO PACK) 3. PREDICTIVE DIALER with purchase mode 4. UNLIMITED VoIP A to Z Network & Call Center Solutions Asterisk * System Integration, from small office to carrier grade * Skype <-> SIP <-> Asterisk * Custom applications * Billing solutions * Auto / mass dialing solutions * Advanced AGI scripting A2Billing * Billing customization * Callback customization * CDR customization * IVR customization * Softphone Integration * Multi owner solution * Reseller solution * Clustering / Backup / Failover / Monitoring * Security / Hardening ViciDial * Complete configuration and customization for call centers * Inbound / Outbound strategies Call Shop * Complete configuration and customization for call shops * Asterisk-based easy-to-use solutions * Integration with traditional systems and equipment Trixbox / FreePBX / Elastix * Complete configuration * Customization GNU/Linux * I use Debian from year 2000 * SysAdmin * Webmaster * MySQL / SQLite DBA * RAID * Disaster Recovery * Custom monitoring and with Nagios * Open / Closed / Custom encryption * Security Manager Hardware * Digium * Sangoma * OpenVox * AudioCodes * Siemens * Gigaset * Panasonic * HP ProCurve Specialties Software Development, Server Management(Windows & Linux),Network Management,Configure DHCP,port forwarding etc for Windows & linux networks.Dialer Technical Support with VoIP Server Technical Support (All types of VoIP devices), VoIP Minutes Re seller with dialer. Social skills: excellent in team, individual,on-site or remotely, relaxed or under stress. Organizational skills: excellent with analyst duties,alone or in team,with project manager duties,with self-managed time or with magnetic badge. Installation Expertises in Asterisk, Freeswitch, vicidial, astercrm, A2billing, Free PBX, Elastic etc. IVR specialist in asterisk Advanced Dialplan in asterisk Useful and cost-effective phone management system planning & designing & installation Expertises in Digium, Sangoma, Openvox and other type of PRI & PSTN Card installation. Connecting Multiple Asterisk Server & Cloud Solution for asterisk Call centre setup using vicidial Advanced Voice broadcast system Training on Asterisk Advanced Call Recording Solution usi ng Asterisk Specialties Asterisk, Freeswitch, vicidial,A2billing, Free pbx, elastic, PRI & PSTN card installation, call centre setup, Advanced IVR, Cloud solution using asterisk, training on asterisk, voice broadcast etc. less

  • Hire logicpowered

    logicpowered

    Pakistan
    1 Review
    $20 USD per hour

    Top Skills: Javascript, Java, Software Architecture, C# Programming, Linux

    LogicPowered Solutions “LPS”– A software solutions company; working for the ever growing industry needs of the world. We are working on Microsoft Technologies and Bespoke Application covering unique requirements of the world's Industry in different domains. LogicPowered Solutions delivers unmatched business valu ...

    LogicPowered Solutions “LPS”– A software solutions company; working for the ever growing industry needs of the world. We are working on Microsoft Technologies and Bespoke Application covering unique requirements of the world's Industry in different domains. LogicPowered Solutions delivers unmatched business value to customers through a combination of process excellence, quality frameworks and service delivery innovation. You'll experience requirements that are met on-time, within budget, and with high quality; enhanced efficiency and responsiveness to your business needs; and quality work that will exceed your expectations. less

  • Hire n0shutdown

    n0shutdown

    Palestinian Territory
    3 Reviews
    $45 USD per hour

    Top Skills: Network Administration, Cisco, Computer Security, Linux, Asterisk PBX

    I have an experience in ISP networks , Networks Design , IPV6 , Routing Protocols ,Route Redistribution , Quality of service ,VPN solutions & BGP. I have an experience in solving High CPU reasons and offering solutions that require less hardware consumption for Cisco Equipments. I have an experience with Cisco eq ...

    I have an experience in ISP networks , Networks Design , IPV6 , Routing Protocols ,Route Redistribution , Quality of service ,VPN solutions & BGP. I have an experience in solving High CPU reasons and offering solutions that require less hardware consumption for Cisco Equipments. I have an experience with Cisco equipments of Cisco routers 7200 series , Switches of 2900 series & Multilayer switches of 7600 series. I have an experience in implementing squid cache servers that support WCCP , Tproxy, webfiltering,caching,SMP feature and integrating squid servers with Cisco equipments with less hardware consumption. I have an experience in implementing Elastix voip servers and perform security solutions for server. I have an experience in windows server 2008 domain controllers and DNS. less

  • Hire rperazzo

    rperazzo

    Argentina
    2 Reviews
    $14 USD per hour

    Top Skills: VoIP, Asterisk PBX, Windows Server, Network Administration, Windows 8

    Your project is my project, applying my experience in Linux, Windows. * Installation / Configuration / maintenance / troubleshooting (RHEL, CentOS, Debian, Ubuntu), * VOIP Asterisk Elastix Php-Agi Expert * Virtualization *: (OpenVZ, Virtuozzo) * Networking (DHCP, DNS: PowerDNS / bind / named, * vpn: openvpn / pptp ...

    Your project is my project, applying my experience in Linux, Windows. * Installation / Configuration / maintenance / troubleshooting (RHEL, CentOS, Debian, Ubuntu), * VOIP Asterisk Elastix Php-Agi Expert * Virtualization *: (OpenVZ, Virtuozzo) * Networking (DHCP, DNS: PowerDNS / bind / named, * vpn: openvpn / pptp, firewall: iptables / ipfw, QoS, proxies), * web servers (apache, ddos), * mail servers (postfix, antispam / antivirus clamav / spamassassin / amavis, courier) * Monitoring (nagios, zabbix). * Backup's less

  • Hire ast3r1sk

    ast3r1sk

    Russian Federation
    1 Review
    $21 USD per hour

    Top Skills: VoIP, Asterisk PBX, Unity 3D, MariaDB, Linux

    Technical skills: - Experience in the installation, configuration and administration of operating systems Windows, Linux (Debian, Gentoo, CentOS). - Experience in maintaining local area network (about 100 PC), VoIP network (over 20 Asterisk servers, more than 100 geographically dispersed telephone adapters heavy lo ...

    Technical skills: - Experience in the installation, configuration and administration of operating systems Windows, Linux (Debian, Gentoo, CentOS). - Experience in maintaining local area network (about 100 PC), VoIP network (over 20 Asterisk servers, more than 100 geographically dispersed telephone adapters heavy loaded asterisk server - 1000 concurrent connections). - Set up Apache, PHP, MySQL, Asterisk, IPtables, nagios, zabbix, DHCP, TFTP, RAID, SoftRAID, FTP, RADIUS, RSA (LanBilling) - Skills shell (bash) programming. - Experience in developing and implementing solutions for the taxi service using AMI. - Experience in equipment setup: Linksys, Addpac, Digium, Openvox, AllVoip, Cisco, Polycom, Drytek, Grandstream, Zyxel, Planet, Nateks, KIRK (DECT), GOIP and others. less

  • Hire vavy

    vavy

    Russian Federation
    1 Review
    $19 USD per hour

    Top Skills: Linux, Network Administration, System Admin, Perl, Cisco

    If you are looking for an expert in such areas as: Linux/Unix; VPN; Cloud Service (AWS, Google, Azure...); VPS, KVM, VMWare, Hyper-V; Cisco, BGP, Radius; Windows servers; Clusters; SAN; OpenSource; Voip; and so on... It's me. I work as individual. I have 15+ years with systems administration experience. My ...

    If you are looking for an expert in such areas as: Linux/Unix; VPN; Cloud Service (AWS, Google, Azure...); VPS, KVM, VMWare, Hyper-V; Cisco, BGP, Radius; Windows servers; Clusters; SAN; OpenSource; Voip; and so on... It's me. I work as individual. I have 15+ years with systems administration experience. My real name is Sergey. Contact me. I would be glad to solve your problems. Thank you. less

  • Hire Aurora100

    Aurora100

    Ukraine
    1 Review
    $30 USD per hour

    Top Skills: Microsoft, Shell Script, Linux, Windows Server, Software Architecture

    Our company has more than 15-year experience in providing of successful and dynamic development in the field of system integration. Our goal is to be a company of the international level, while providing our Customers with complete solutions in the field of information technology. We have a team of professional ...

    Our company has more than 15-year experience in providing of successful and dynamic development in the field of system integration. Our goal is to be a company of the international level, while providing our Customers with complete solutions in the field of information technology. We have a team of professional programmers and system administrators which has extensive experience with such programming languages ​​and technologies such as: • Unix/Linux ( FreeBSD, Ubuntu server, CentOS, ElastixUbuntu, Fedora, ALTLinux, etc); • Win OS's; • Office 365; • VOiP Asterisk, Elastix, 3CX; • .NET C #; PHP; C ++; Basis; VBA; Java; • MICROSOFT SQL; MySQL; • MVC; HTML 5; WPF; LINQ; • 1C Bitrix; DotNetNuke (DNN); phpbb; • Microsoft CRM; • SPAM and Mail servers.  etc. Our core values – customer focus and customer satisfaction – are ensured by high quality of our solutions. Looking for mutual interests is a key principle of interaction with Customers, partners, and our staff. less

  • Hire efreelanceproj

    efreelanceproj

    India
    5 Reviews
    $15 USD per hour

    Top Skills: Asterisk PBX, MySQL, PHP, VoIP, Linux

    I am asterisk engineer with 10 years experience in technology. Have good hands on Asterisk, IVR, Outbound Dialer, Clicktocall services. Professionally capable to deliver cost effective projects in Time.

    I am asterisk engineer with 10 years experience in technology. Have good hands on Asterisk, IVR, Outbound Dialer, Clicktocall services. Professionally capable to deliver cost effective projects in Time. less

  • Hire shibin123sl

    shibin123sl

    India
    1 Review
    $12 USD per hour

    Top Skills: PHP, MySQL, Website Design, Magento, AJAX

    We are one of the leading Software Development Company located at Northampton, UK and Cochin, India. Formerly Shrishti Informatics, The company was founded in 2006 by software professionals with considerable industry experience in software design and development. Shrishti info solutions is a global force, uniquely ...

    We are one of the leading Software Development Company located at Northampton, UK and Cochin, India. Formerly Shrishti Informatics, The company was founded in 2006 by software professionals with considerable industry experience in software design and development. Shrishti info solutions is a global force, uniquely positioned to handle customers' IT solutions across their extended enterprises. We offer services towards web designs, web application development, Ecommerce Solutions, Offshore staffing, Offshore Outsourcing, ERP Softwares, Multimedia, Mobile Application development for iPhone and Android and Search Engine Optimization. less