VoIP Developers For Hire

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  • Hire Asterisker
    4.4
    25 reviews $12 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 databases data. Configuring VoIP gateways Cisco, Addpac, Allvoip, Linksys, Snom, GrandStream, D-Link, softphone Zoiper Communicator. PSTN ATS Panasonic KX-TDA100 KX-TDA200. Auto-provisioning with xml files. 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 DNS DHCP TFTP MySQL. Some experience with virtualization on VMware ESXi less
  • Hire dailas
    4.3
    12 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 arodrigue
    5.2
    29 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 trhoan00
    3.2
    2 reviews $25 USD per hour
    - Experience with telecom system, VoIP, SS7 network, CAMEL, MAP, SIP - Senior Erlang, C, C++ and Perl, Python developer
    - Experience with telecom system, VoIP, SS7 network, CAMEL, MAP, SIP - Senior Erlang, C, C++ and Perl, Python developer less
  • Hire pydroiddev
    3.1
    3 reviews $8 USD per hour
    I have great skills in the areas of Android and Android Honeycomb due to my past experience working as a Android Developer and Android Honeycomb Programmer. I am looking to be outsourced by you for your jobs so I can bring my skills and experience to you. I am also highly proficient in Mobile Phone. If given a chance...
    I have great skills in the areas of Android and Android Honeycomb due to my past experience working as a Android Developer and Android Honeycomb Programmer. I am looking to be outsourced by you for your jobs so I can bring my skills and experience to you. I am also highly proficient in Mobile Phone. If given a chance to be part of your team I will work best and bring in the required output. less
  • Hire dawnmaxfield
    0.8
    1 review $150 USD per hour
    I'm Dawn and I record all my voiceovers in my natural British accent I have a warm and professional tone but can alter my style to suit your needs. Whether you need a professional public service announcement, an energetic and upbeat sales tone, a natural girl next door voice, I can do them all. I love recording and...
    I'm Dawn and I record all my voiceovers in my natural British accent I have a warm and professional tone but can alter my style to suit your needs. Whether you need a professional public service announcement, an energetic and upbeat sales tone, a natural girl next door voice, I can do them all. I love recording and have traveled all over the world with my work. I would love to work with you on your voice over needs and you can order from me with 100% confidence. I have my own studio that I work in every day and am able to deliver all orders as High Quality MP3 or Wav files. I am also able to do a variety of extras, such as split the files into separate files, add royalty free music, match the voiceover to pre-existing video, correct grammatical errors in scripts and much more. All my previous clients are very happy with my work and with the professional and timely way in which we communicated. If you have any questions or would like a sample please send me a message Thanks! Dawn less
  • Hire GrArtem
    2.8
    3 reviews $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 leonik375
    2.8
    4 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 juanccna
    2.6
    1 review $15 USD per hour
    I have an international cerification CCNA (cisco certified network associate) Routing and Switching, I can design, configure and troubleshoot networks, I have a lot of experience working on packet tracer because I studied at a cisco academy also I am studing to take my CCNP(cisco certified network professional)...
    I have an international cerification CCNA (cisco certified network associate) Routing and Switching, I can design, configure and troubleshoot networks, I have a lot of experience working on packet tracer because I studied at a cisco academy also I am studing to take my CCNP(cisco certified network professional) certification. I have experience working on the security field, tracking packet streams with wireshark and implementing VPNs with high security like IPsec. I love working with networks. Also I am an electronic engineering student, I can work with circuits and project designs. less
  • Hire ArleMedina
    2.3
    2 reviews $15 USD per hour
    I cannot live without expressing myself and creating new solutions. I am passionate about the continuous improvement of things, systems, processes and resources. I offer you exclusive dedication to your projects and creative ideas about computer networks and servers. I will devote a lot of energy and enthusiasm to...
    I cannot live without expressing myself and creating new solutions. I am passionate about the continuous improvement of things, systems, processes and resources. I offer you exclusive dedication to your projects and creative ideas about computer networks and servers. I will devote a lot of energy and enthusiasm to your projects: - Advice and support on your academic projects. - To experiment with new technologies in virtual test environments. - Creating development environments for new systems. - Testing system settings before taking them to the production environment. - To innovate with new techniques, processes and configurations. I have more than 10 years working experience as a Linux Server Administrator less

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