VoIP Developers Para Contratar

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  • Contratar polto
    4.8
    10 comentários $20 Dólares por hora
    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 menos
  • Contratar dailas
    4.6
    15 comentários $20 Dólares por hora
    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. menos
  • Contratar Asterisker
    3.7
    6 comentários $14 Dólares por hora
    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 menos
  • Contratar juanccna
    2.2
    1 comentário $15 Dólares por hora
    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. menos
  • Contratar frugees
    3.7
    5 comentários $30 Dólares por hora
    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 menos
  • Contratar catlook
    1.0
    1 comentário $111 Dólares por hora
    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! menos
  • Contratar leonik375
    4.2
    12 comentários $10 Dólares por hora
    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 menos
  • Contratar GrArtem
    2.8
    3 comentários $20 Dólares por hora
    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 menos
  • Contratar vantuanvn
    5.4
    37 comentários $15 Dólares por hora
    We provide high quality service in areas : -Mobile Applications -Web Applications. -Enterprise Applications. -Graphical Design. -High Performance Computing. -Data Mining. -Machine Learning
    We provide high quality service in areas : -Mobile Applications -Web Applications. -Enterprise Applications. -Graphical Design. -High Performance Computing. -Data Mining. -Machine Learning menos
  • Contratar asadsethi
    3.6
    6 comentários $30 Dólares por hora
    In last 5 years i have been working on variety of network products and have gained wide experience in Cisco,Juniper routers, switches and firewalls. i have been involved in design, configuration and troubleshooting of Network products. Routers: Cisco 2600 Cisco 2800 Cisco 3800 Juniper J Series Switches: Cisco...
    In last 5 years i have been working on variety of network products and have gained wide experience in Cisco,Juniper routers, switches and firewalls. i have been involved in design, configuration and troubleshooting of Network products. Routers: Cisco 2600 Cisco 2800 Cisco 3800 Juniper J Series Switches: Cisco Catalyst 2900 Cisco Catalyst 3500 Cisco Catalyst 3600 Cisco Catalyst 4500 HP 3500 HP 2500 Firewalls: Cisco ASA 5500 Series Juniper SSG Series Pfsense Zyxel Zywall USG Series WatchGuard XTM series Cisco RV Series Cisco PIX Cisco IPS 4200 Series menos

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