Asterisk Consultants & Developers

Showing 578 freelancers

Asterisk Consultants & Developers

Showing 578 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, 29 Asterisk projects are completed every quarter on oDesk.

29

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 4.54.

4.54

Last updated: April 1, 2014

  • Linux/Asterisk/Vicidial expert | data security

    10 years of experience with production unix systems 6 years of experience with VOIP and asterisk based pbx and callcenter solutions (pbx in a flash, elastix, trixbox, asterisknow, vicidial, goautodial) Auto dialers, SMS senders Server and data security PCI DSS

    asterisk sip trixbox freepbx elastix vpn openvpn linux-system-administration freebsd netbsd cisco-voip 00 more less
    • $50.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • DOMINICAN REPUBLIC
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Network & System Administration

    To stay abreast with technologies related to Internet Protocol (IP), Network Technology and System Administration. **Technical Proficiencies** Unix/Windows systems and network administration are my primary interests. I have extensive experience with multiple UNIX-based / windows operating systems with an emphasis … more

    To stay abreast with technologies related to Internet Protocol (IP), Network Technology and System Administration. **Technical Proficiencies** Unix/Windows systems and network administration are my primary interests. I have extensive experience with multiple UNIX-based / windows operating systems with an emphasis on Linux, FreeBSD and Solaris, Cisco networking hardware, system and network security, network design and unix backups. I use Perl / UNIX shell scripts on a regular basis for system administration tasks and am familiar with some C/C++, PHP, VB programming. While working for an Internet Service Provider, I have installed, configured and maintained various Open source software and services on Unix Platform to provide essential services such as DNS, Mail, Proxy, Web, Database, Radius etc. I learn new concepts and systems quickly and am receptive to new ideas. I work well alone or in a group and also have self-learning capability. **Core Competencies** Network & Systems Administration & Security; Network Design; Wireless Network Planning; Data Integrity/Recovery; Disaster Recovery Planning; Contingency Planning; Research & Development **Platforms** UNIX (FreeBSD, Solaris), Linux (Red Hat, CentOS, Fedora, Ubuntu), Mac OS X, MikroTik RouterOS, Microsoft Windows operating systems from 95 on. **Networking** Cisco / BDCOM Router / Switches and IOS, Wireless LAN/WAN, WiFi Hotspot, TCP/IP, ISO/OSI, Ethernet, FDDI, VPN, PPPoE, DHCP, SSH, RIP, OSPF, BGP, policy routing, SNMP. **Languages** UNIX/Linux Shell Scripting, C, Basic, HTML, Perl, PHP. **Software** Mail (Qmail / MDaemon / Microsoft Exchange), DNS (BIND / MS-DNS), Proxy (Squid/ MS-ISA), Radius (FreeRadius / Internet Authentication Service (IAS)), Web(Apache / IIS), chillispot / coovachilli **Database Systems** MySQL Database **Security** Microsoft Internet Security & Acceleration (ISA) Server, FreeBSD IPFW / PF Firewall, Linux iptables Firewall **Bandwidth Management** FreeBSD IPFW based Bandwidth Management, Traffic Shaping with TC and HTB **Network Monitoring System** Nagios, MRTG / RRD / Cacti **Directory Service** Microsoft Active Directory, OpenLDAP **VoIP** Asterisk  less

    mac-os-app-development cisco-routers cisco-ios cisco-voip junos windows-administration unix-system-administration linux-system-administration solaris-administration bgp mysql ldap radius freepbx asterisk elastix network-administration 00 more less
    • $5.56 HOURLY RATE
    • 4.9
    • 0 HOURS
    • NEPAL
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 10 TESTS
    GROUPS:
  • 7 Successful Years:PHP/MySQL/Codeigniter/Zend/YII+VOIP Expert

    Over the last seven years I have developed a wide range of web apps & websites for startup companies, small businesses,Corporeate companies. Skills: ✓ PHP ✓ MVC - Zend, Yii, Kohana, CakePHP, CodeIgniter, Smarty ✓ E Commerce - Magento, Lemonstand, VirtueMart, OpenCart, ZenCart, CS Cart … more

    Over the last seven years I have developed a wide range of web apps & websites for startup companies, small businesses,Corporeate companies. Skills: ✓ PHP ✓ MVC - Zend, Yii, Kohana, CakePHP, CodeIgniter, Smarty ✓ E Commerce - Magento, Lemonstand, VirtueMart, OpenCart, ZenCart, CS Cart, xCart, PrestaShop ✓ OpenSource CMS - Drupal, Joomla, WordPress, Concrete, Perch CMS ✓ DBMS - MySQL, PostgreSQL, Oracle, MSSQL ✓ JavaScript, jQuery, Ajax, Json , YUI, HTML5, XHTML, DHTML, XML, HAML ✓ CSS2, CSS3 ✓ Subversion Tool : Git, VSS, Tortoise SVN, WinCVS My core focus is complete management and development of a new projects, and I am seeking opportunities to build web & VOIP applications from the ground for business entity.I also work in many VOIP platforms including ASTERISK,ELASTRIX,FREESWITCH,VM,NEXTONE,VOICETONE,VOIPSWITCH,VOS3000,A2BILLING,MVTS etc.I also build calling card platforms. My main feature is the ability of developing from scratch and finalize large projects with 100% success rate. Because of my complete attention & excellent planning skills projects consist best quality source code which is easy to handle and support in a future, all source code contains 50% of comments (documentation) & well structured. I usually follow my coding standard that comes after many years of practical programing.I am also flexible to follow another standards of existed projects code structure. One of my latest and biggest projects developed by me from scratch is (www.vos3000.com), a compelte softswitch developed from scratch. I don't stop learning and always trying to learn something.  less

    html html5 css3 javascript xml a2billing asterisk freeswitch php mysql codeigniter yii-framework zend-framework opencart cs-cart prestashop psd-to-html wordpress joomla 00 more less
    • $10.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • senior developer c/c++, android embeded, linux kernel.

    With more than 5 years working experience in Software Development and most of the time working with C,C++ technologies, I have gained a certain professionalism level as a Senior C,C++ Developer: • Intensive programming experience using STL: container, algorithm … more

    With more than 5 years working experience in Software Development and most of the time working with C,C++ technologies, I have gained a certain professionalism level as a Senior C,C++ Developer: • Intensive programming experience using STL: container, algorithm, iterator, smartpointer. BOOST: regex, filesystem, boost::bind, boost::datetime, QT, GTK, … • Strong skill set and experience using open sources frameworks: STLport, Xerces, Santuario, CryptoPP, Xalan, CURL, Pjsip, OpenMGCP, Quagga, OPENSNMP, • Good skills and experience in protocol and reading RFC like, SIP, MGCP, RTP, RTCP, XMPP, SNMP, … • Good skills and experience in programming with posix, multithreading, mutex, condition variable, thread barrier, … • Good skills with programming in linux kernel. Development linux module, netfilter, … • Good skills and experience in system analysis, system designing and performance tuning • Strong skill set and experience using development tools: VIM, ctags, cscope, VISUAL STUDIO, Eclipse, Makefile • Strong skill in VOIP, SIP, XMPP, MGCP, jabberd2, MEGACO, • Good experience with native SDK Blackberry, Native SDK Android. • Good experience in working and managing application and web servers: Apache, Tomcat. Experience in developing Apache module. • Good experience in working with databases: Oracle, MS SQL, My SQL, SQLITE  less

    c c++ linux-system-administration embedded-linux sip boost stl curl apache-administration xml soap qt asterisk mysql freepbx opensips svn agile-software-development github python perl unix-shell blackberry-app-development zend-framework php opencv 00 more less
    • $16.67 HOURLY RATE
    • 2.8
    • 574 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
    ASSOCIATED WITH:
  • Linux / Network Administrator

    Over the last 15 years, I had a wide range of network and server related tasks. I am an team player, hard working and dedicated professional who is seeking a position to utilize my skills and abilities in the Information … more

    Over the last 15 years, I had a wide range of network and server related tasks. I am an team player, hard working and dedicated professional who is seeking a position to utilize my skills and abilities in the Information Technology industry that offers professional growth while being resourceful, innovative and flexible. Skills: * 15 years Linux administration (Debian, CentOS) * 10 years Windows administration (NT, 2003, 2008) * 6 years Asterisk VoIP servers * 9 years Network setup and administration * 3 years Virtualization and Clustering  less

    nagios dns ftp bgp asterisk linux-system-administration vpn samba 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 205 HOURS
    • CROATIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • .Net Developer with VoIP,WPF,WCF,Lync & Broadsoft

    With software development experience for more than 5 years in .Net and VoIP, I have developed software applications both business and communication oriented in the following technologies Programming Language - C# Technologies - WPF,WCF,ASP.Net Domain - VoIP and Business applications … more

    With software development experience for more than 5 years in .Net and VoIP, I have developed software applications both business and communication oriented in the following technologies Programming Language - C# Technologies - WPF,WCF,ASP.Net Domain - VoIP and Business applications With an excellent communication skill, I assure that your requirement will be delivered on time with perfection.  less

    wpf .net-framework c# sql wcf asp.net microsoft-lync-server asterisk a2billing 00 more less
    • $20.00 HOURLY RATE
    • 4.8
    • 11 HOURS
    • JAPAN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Webrtc enthusiast

    A Voip engineer for more then 10 years. Vast experience with large-scale infrastructure setup for startups related to IP-PBX, SIP-stack and WEB-2.0. Currently a webrtc enthusiast and exploring other interesting open-source technologies like Freeswitch, adhearsion, oversip, sipml5/jssip , webrtctosip, and ruby offcourse.

    ruby javascript freeswitch asterisk voip-software html5 ruby-on-rails sinatra-framwork node.js sip jquery 00 more less
    • $33.33 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 129 HOURS
    • INDIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 0 TESTS
    ASSOCIATED WITH:
  • Linux, Cisco administrator

    PROFESSIONAL EXPIRIENCE: EQUIPMENT: 1 Server hardware by IBM and HP, IBM-PC compatible. 2 CISCO switches and routers (800,1700,1800,2600,2800,3560,3600,3750,7200,etc series) 3 Intel switches. 4 Digital Super Hybrid Telephone Systems iDCS-500 and OfficeServ … more

    PROFESSIONAL EXPIRIENCE: EQUIPMENT: 1 Server hardware by IBM and HP, IBM-PC compatible. 2 CISCO switches and routers (800,1700,1800,2600,2800,3560,3600,3750,7200,etc series) 3 Intel switches. 4 Digital Super Hybrid Telephone Systems iDCS-500 and OfficeServ 7200 by Samsung 5 Zeroshell, 3Com, D-Link, Zyxel, MikroTik. OPERATING SYSTEMS: 1 UNIX, Linux, FreeBSD, Solaris 2 Microsoft Windows Server 2003/2008 NETWORK PROTOCOL: 1 HTTP, SNMP, SMTP, TELNET, FTP, SSH, SCP, SMB, NFS, DNS, NNTP, POP2/POP3, IMAP, UUCP, NIS, NFS, SOCKS5 etc. 2 SSL 3 RPC, NetBIOS 4 TCP, UDP, GRE 5 IP, BGP, OSPF, RIP, PPP, ICMP, ARP 6 Ethernet, X.25, Frame Relay, ISDN, MPLS, IEEE 802.11 PROGRAMMING LANGUAGES: Perl, bash, csh, awk, expect, PHP, Pascal, Delphi, C++, Visual Basic, HTML, Java  less

    whm cpanel cisco-routers linux-system-administration virtualization php apache-administration postfix exim dns sql oracle-database squid network-administration centos basic solaris-administration ubuntu plesk oracle-pl/sql rackspace-cloudservers vpn openvpn iptables bgp ospf amazon-s3 amazon-web-services clamav amazon-ec2 spamassassin postgresql wordpress unix-system-administration unix-shell ksh-korn-shell tcp-ip bash firewalls cisco-ios cisco-voip asterisk dhcp computer-networking sendmail qmail nagios drupal xml weblogic varnish-cache magento 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 0 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
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