Asterisk Consultants & Developers

Showing 1,076 freelancers

Asterisk Consultants & Developers

Showing 1,076 freelancers

Get Your Asterisk Project Started Today!

Hire a skilled freelance Asterisk developer to build multi-protocol, real-time communications applications solutions for all your needs. Experienced Asterisk contractors can set up predictive dialers, call centers, VoIP gateways, conference servers, IP PBX systems and other applications.

Asterisk is a popular open source framework for building communications applications. The platform uses scripting languages to create business phone systems, conference bridges and other communications protocols and technologies. On oDesk, the world’s largest online workplace, companies hire Asterisk experts to handle all their communication needs.

Browse Asterisk job posts for project examples or post your job on oDesk for free!

Asterisk Job Cost Overview

Typical total cost of oDesk Asterisk projects based on completed and fixed-price jobs.

oDesk Asterisk Jobs Completed Quarterly

On average, 59 Asterisk projects are completed every quarter on oDesk.

59

Time to Complete oDesk Asterisk Jobs

Time needed to complete a Asterisk project on oDesk.

Average Asterisk Freelancer Feedback Score

Asterisk oDesk freelancers typically receive a client rating of 4.59.

4.59

Last updated: March 1, 2015

  • Asterisk/Freeswitch/Kamalio expert, VoIP engineer, Linux administrator

    I have more than 10 years of experience in installation and support of carrier-grade VoIP services based on Asterisk, OpenSIPS, Kamailio, Freeswitch and proprietary SIP/VoIP software. My professional interests are Callcenters, automated dialer systems and integration of VoIP software … more

    I have more than 10 years of experience in installation and support of carrier-grade VoIP services based on Asterisk, OpenSIPS, Kamailio, Freeswitch and proprietary SIP/VoIP software. My professional interests are Callcenters, automated dialer systems and integration of VoIP software with company information flows. You can rely on my strong engineering and programming skills for projects starting from single VoIP server to a complete wholesale/carrier VoIP solutions including billing, call data analysis, security and fraud prevention. I have developed complete SIP solutions for VoIP carriers worldwide: Proxy/Registrars, IVR, prepaid systems, multi-tenant VoIP switches, hardware PSTN gateways (Cisco AS5300/5500, Audiocodes Mediant 2000, Quintum Tenor). I have experience in setup, administration and security of Asterisk, FreePBX, Elastix and FreeSWITCH PBX installations. As a programmer I use PHP, Javascript (both client-side using jQuery and Angular.js and server-side with node.js), Perl (system scripts/applications, Mojolicious webapps). I also have experience in development and administration of MySQL and Microsoft SQL Server databases. I'm experienced network engineer, skilled in routing and switching, general network architecture planning and deployment, network monitoring and security, including HA solutions (heartbeat/pacemaker). I use Zabbix and have some experience with Nagios and other monitoring software. I can also offer you consulting support in VoIP and network technologies.  less

    voip-administration voip-software cisco-routers asterisk freeswitch opensips mysql php angularjs node.js 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 80 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • Linux, UNIX & AWS Expert Administrator

    * 17 years in UNIX world * Security-minded * Administrator & Developer for complex projects involving automation, integration, data mining * Attentive to details * Ensuring reliable & secure systems operation and effective consulting & coaching * Protection against Spam & other unsolicited communications in email, web and VoIP * Building … more

    * 17 years in UNIX world * Security-minded * Administrator & Developer for complex projects involving automation, integration, data mining * Attentive to details * Ensuring reliable & secure systems operation and effective consulting & coaching * Protection against Spam & other unsolicited communications in email, web and VoIP * Building effective web-presence assets (5+ years in Web/SEO)  less

    linux-system-administration security amazon-web-services unix-shell asterisk wordpress 00 more less
    • $40.00 HOURLY RATE
    • 4.9
    • 89 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 8 TESTS
  • System Administrator and VoIP Engineer

    I am very experienced(8+ years) linux administrator. Last year I worked with HA projects and have a good knowledge about right architecture of services. My Skills: Linux, Unix, OpenStack, Virtualization Deploy: Ansible(I created modules for it), Chef VoIP … more

    I am very experienced(8+ years) linux administrator. Last year I worked with HA projects and have a good knowledge about right architecture of services. My Skills: Linux, Unix, OpenStack, Virtualization Deploy: Ansible(I created modules for it), Chef VoIP: Asterisk, FreeSWITCH, OpenSIPS, Kamailio Web Servers: NGINX, Apache Databases: PostgreSQL, MySQL/MariaDB Scripting: Python, Bash, Perl, Ruby  less

    asterisk linux-system-administration unix-system-administration mysql erlang 00 more less
    • $24.44 HOURLY RATE
    • 4.9
    • 71 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 5 TESTS
  • PHP/MySQL Developer / Linux/Win Administrator / Project Manager

    Over the last 7 years, I have developed a wide range of software. I provide full cycle of product development starting from design and completing to maintenance.

    lamp-administration mysql perl php unix-shell windows-administration ajax html asterisk database-modeling javascript smarty xml sql drupal oscommerce xml-rpc zend-framework project-management 00 more less
    • $29.00 HOURLY RATE
    • 5.0
    • 16628 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 16 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • System Administrator

    Over the last 7 years, I had more than 150 servers (powered by Linux) for administrating. I got experience in Backup, VoIP, Virtualization, Networking, and other IT technologies. I am seeking opportunities to apply my experience for you or your … more

    Over the last 7 years, I had more than 150 servers (powered by Linux) for administrating. I got experience in Backup, VoIP, Virtualization, Networking, and other IT technologies. I am seeking opportunities to apply my experience for you or your business. Short list of my experience: - Advanced ip routing, forwarding, filtering and firewall with Netfilter Iptables, TCP Wrappers, Fail2Ban; - Sendmail, Postfix, Dovecot, Squirrelmail, Roundcube, BIND, Apache, Nginx, VSFTPD, DHCPD, Squid, Samba; - Asterisk based products (Elastix, Trixbox, FreePBX); - Log analyzing, Monitoring, Remote desktop, Remote Admin using tools such like Zabbix, Nagios, SSh/Telnet; - LAN/WAN using Cisco and DLink Routers, Managed and unmanaged Switches, Structured cabling and Fiber cabling systems - VMWare Exsi 4/5; - Redhat or Debian based servers such as CentOS, Ubuntu, Dabian etc,.  less

    linux-system-administration asterisk freepbx apache-administration 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Mykhaylo Dobrovolskyy

    10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD … more

    10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD based solutions like vyatta/pfsense etc) 2) Security - Cisco IPS/IDS, CheckPoint, Linux/FreeBSD based, Juniper etc 3) Linux administration - mail system, database (mysql/mysql cluster), server with high load average, load balancers for server farms (Cisco/F5 based and Linux based like keepalived or apache/nginx with reverse proxy) 4) VoIP - Cisco/OpenSource(Asterisk and different installations based on asterisks like freepbx/elastix etc) There is a very small piece of my knowledge, I'm always looking for opportunity to grow and I'm pretty sure that if you give me tasks - I'll find out best way howto get it done.  less

    unix-shell mysql php cisco-routers cisco-ios security firewalls openvpn junos cisco-voip linux-system-administration freebsd freepbx asterisk bacula vpn haproxy 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 4476 HOURS
    • NETHERLANDS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • Linux,VoIP and Windows Server Administrator

    I have over 5 years of hands on experiences in maintaining various servers mostly Microsoft & Linux based systems. Areas of my expertise are: 1. Asterisk, Elastix, Trixbox, FreePBX, Vicidial, A2Billing 2. Amazon EC2,S3,VPS,VMWare,ESXi,Xen,Open VZ … more

    I have over 5 years of hands on experiences in maintaining various servers mostly Microsoft & Linux based systems. Areas of my expertise are: 1. Asterisk, Elastix, Trixbox, FreePBX, Vicidial, A2Billing 2. Amazon EC2,S3,VPS,VMWare,ESXi,Xen,Open VZ 3. Mysql & MSSQL server 4. Windows based Servers, LAMP, Mail, DNS, Proxy Server 5. OpenVPN and L2TP/IPSec VPN 6. Webmin,Cpanel, WHM,Zpanel 7. Cisco,Mikrotik, DD-WRT,OpenWRT Special note: I am open for full-time job from 6:00 AM to 6:00 PM (PST)  less

    windows-administration freepbx elastix asterisk amazon-ec2 vpn cisco-routers amazon-web-services a2billing vicidial 00 more less
    • $8.00 HOURLY RATE
    • 4.9
    • 1666 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 10 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Network Security VoIP Specialist - Cisco, Juniper, Linux, Asterisk

    I am looking for projects that I can complete on a part-time basis. They can be either short term projects or long term projects. I can also provide ongoing consulting and administration if needed. I am experienced in Cisco Routing … more

    I am looking for projects that I can complete on a part-time basis. They can be either short term projects or long term projects. I can also provide ongoing consulting and administration if needed. I am experienced in Cisco Routing & Switching, MPLS, Security, Network infrastructure applications ( SNMP, Radius, DNS, DHCP , etc) Voip - including Asterisk, Call-Manager , Unity, FreePBX, Elastix. Server administration experience ( Linux, FreeBSD)  less

    mpls bgp cisco-asa cisco-routers linux-system-administration snmp radius juniper-routers freeswitch apache-administration mysql network-administration network-planning network-security asterisk windows-xp-administration ubuntu microsoft-excel microsoft-visio cisco-ios cisco-voip cisco-pix nagios dns snort itil junos freebsd freepbx php perl voice-over mikrotik-routeros mikrotik-routerboard vmware-administration vmware-esx project-management voip-administration sip wireless-network-implementation 00 more less
    • $38.89 HOURLY RATE
    • 5.0
    • 381 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 17 TESTS
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