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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 Upwork, the world’s largest online workplace, companies hire Asterisk experts to handle all their communication needs.

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Asterisk Job Cost Overview

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

Upwork Asterisk Jobs Completed Quarterly

On average, 61 Asterisk projects are completed every quarter on Upwork.

61

Time to Complete Upwork Asterisk Jobs

Time needed to complete a Asterisk project on Upwork.

Average Asterisk Freelancer Feedback Score

Asterisk Upwork freelancers typically receive a client rating of 4.57.

4.57
Last updated: August 1, 2015
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  1. Haris L.

    Haris L.

    Senior developer, software architect

    Bosnia and Herzegovina - Last active: 17 days ago - Tests: 2

    I am senior sysadmin/developer with extremely "deep" and "wide" knowledge and understanding of IT platforms and solutions. I have 20+ years of experience working in IT industry including, system and networks administration, software architecture and development as well as IT systems design and implementation, both Linux and Windows based platforms. For last 10+ years my focus was on opensource based platforms, frameworks and software, so following are some of my experiences: - WEB and desktop based software/services architecture and development using many different languages: c, php, perl, python, javascript, html/css, java, vb/vba, vfp... and frameworks; zend, django, express... - sysadmin of different linux flavors (centos, debian, redhat, suse...) - implementation and support of different opensource software platforms: Asterisk/FreePBX VoIP, vTiger CRM, Kannel/PlaySMS SMS marketing services... - design, implementation, tuning and maintenance of PostgreSQL and MySQL RDMBS - design and development of WEB and desktop opensurce GIS/GPS solutions (GeoServer, PostGIS, OpenLayers, OSM...) - lecturing and training both IT professionals and regular users - IT projects management In addition to above, I am also experienced in working cooperatively and effectively with people from a wide range of nationalities asI was engaged in several national wide projects financed and supported by UN/UNDP/UNESCO and WB/IFC.

    $33.33 /hr
    1,214 hours
    4.64
  2. Ismir S.

    Ismir S.

    VoIP/Asterisk/FreePBX/Cisco/Linux Specialist

    Austria - Last active: 08/05/2013 - Tests: 5

    VoIP and network engineer/administrator with more than 6 years of experience in design, planning and implementation Unified Communication and IP centrex solutions, large scale telephone and Cisco data networks. Deep understanding of asterisk PBX, FreePBX, Elastix, SER and OpenSER/Kamailio SIP servers. Fluent in SIP, SS7, IAX, RTP, T38, ISDN, STUN, SDP, Ethernet, TCP/IP, DHCP protocols, Cisco routing (BGP, OSPF), switching, LAN, WAN, ACL, QoS, VLAN.

    $38.89 /hr
    1,059 hours
    4.96
  3. Fedor P.

    Fedor P. Agency Contractor

    DevOps Engineer/ System Architect / Senior System Administrator

    Ukraine - Last active: 2 days ago - Tests: 9

    Hello I'm highly experienced, certified engineer ( RHEL cert, Novel cert, MCSA, LPI 3, OpenText ) DevOps engineer with more than 10 years of experience in wide range of projects. Chief of system administrator team in software development company. Freelancer with more then 4 years in oDesk and "five star" rating. Full range of sysadmin support, system architect, security audit, PCI compliance, consulting, automation, DevOps best practices. If you have any project required professional system administration or DevOPS - I could be the one who you are looking for :) http://www.lxpert.info

    Groups: Microsoft Certified Professionals

    Associated with: Linux-xpert Agency

    $40.00 /hr
    6,388 hours
    4.99
  4. Truong Viet Ha

    Truong Viet Ha Agency Contractor

    VoIP & Web Developer

    Vietnam - Last active: 10 days ago - Tests: 6 - Portfolio: 6

    ============================================================================== VOIP and Web developer with more than 4 years experience. ============================================================================== On VoIP field: ------------------------------------------------------------------------------------------------------------------------ + I have strong skills on Asterisk, Kamailio, FreePBX, FreeSWITCH. + My favorite languages: Python, C++, PHP + I also used to VOIP API like Tropo, Vitelity, Twilio, Plivo, OpenTok ... + Using webRTC for many realtime communication projects On web developing field: ------------------------------------------------------------------------------------------------------------------------ + I have strong skills on HTML/CSS, JS, NodeJS + I used some web framework like: Wordpress, Django, Codeigniter, Meteor ... Team management: --------------------------- Currently I am project manager of Designveloper JSC, with 18 developers and 2 designers.

    Associated with: Designveloper

    $22.22 /hr
    1,441 hours
    5.00
  5. Roman Surikov

    Roman Surikov Agency Contractor

    PHP/MySQL Developer / Linux/Win Administrator / Project Manager

    Russia - Last active: 2 days ago - Tests: 16 - Portfolio: 7

    Over the last 8 years, I have developed a wide range of software. I provide full cycle of product development starting from design and completing to maintenance.

    Groups: Application Developers Alliance, Bluehost Developers and Designers

    Associated with: Ronas IT Agency

    $25.00 /hr
    16,959 hours
    4.98
  6. Carlos Enrique Arango Patino

    Carlos Enrique Arango Patino

    System and Telecomunication Engineer

    Colombia - Last active: 1 day ago - Tests: 1

    Knowledge and experience like sysadmin and management GNU/Linux servers, networking, web hosting, DNS and firewall. Knows programming language: JAVA, PHP, Visual Basic. Database like MySQL and CMS like: Joomla and Wordpress Has experience with teaching and conference presentation. Intermediate language concepts with English and Signal Language.

    $16.67 /hr
    2,437 hours
    0.00
  7. Stamatis Kekes

    Stamatis Kekes

    Senior system administrator and PHP - C - Perl developer

    Greece - Last active: 1 day ago - Tests: 11 - Portfolio: 2

    Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load balancing ( f5, haproxy ), VoIP ( asterisk ), databases ( MySQL, PostgreSQL), LDAP, web services ( Apache, Nginx, varnish ), security ( penetration testing, firewall policy design ), control panels ( CPanel, Plesk, Virtualmin, Ensim ), Virtualization ( VMWare Virtual infrastructure - VSphere, amazon EC2 ). As for Developing I am very experienced in C, PHP, Perl, javascript, ajax and many more to list.

    $16.67 /hr
    1,743 hours
    4.64
  8. Moamen Mostafa

    Moamen Mostafa

    Hybrid/Ionic/Angularjs/Cordova/Phonegap/php Expert

    Egypt - Last active: 11 days ago - Tests: 1 - Portfolio: 13

    I am an Upwork TOP RATED full stack Web and Hybrid Mobile apps developer using Phonegap/Cordova, Ionic framework, JavaScript, HTML, CSS. Also I have an extended experience developing web applications, APIs, and backends using PHP, My-SQL, Yii/Yii2 framework, Laravel and wordpress CMS. Also I am a certified software tester with a good experience in software test automation (TestComplete). Plus very good skills in Amazon web servcies, Linux servers (Centos and Ubuntu), Apache administration and configuration.

    $27.78 /hr
    2,105 hours
    5.00
  9. Zhong W.

    Zhong W.

    Perl hacker and Voip Expert

    China - Last active: 1 day ago - Tests: 5

    I have more than 6 years working experience of voip industry. i am proficient in Asterisk, Freeswitch, Kamailio,Fusionpbx, A2Billing, Freepbx,Freeside and Linux Administrator. And i have planned and built dozen multi-tenant carrier pbx. i have been always supporting two muti-tenant carrier pbx systems based thirdlane and FusionPBX which both have more than 500 concurrent calls and 3000 registrations extensions. I am able to coding with C/C++, Perl, PHP, shell, sql and other programming language. I am steady, honest and hard-working. I am fond of innovation and pursuiting new techonologies. click here to know me more: https://click.2-call.me/apa1

    $27.78 /hr
    2,450 hours
    4.72
  10. Christian Arsenal

    Christian Arsenal

    GoAutodial and ViciDial Expert, Tech Support, Administrator

    Philippines - Last active: 9 days ago - Tests: 2 - Portfolio: 4

    I am an experienced Asterisk,VoIP,Network Administrator /Website Developer / Programmer 5 years of experience in US industry and i am looking forward in helping for those who are in need of my help. My skills, experience and specialties make me an ideal fit for an advertised role. I have in-depth knowledge of experienced Asterisk / VoIP & Network Administrator procedure and documentation. I have remarkable ability to communicate effectively with people over the phone, often in stressful situations. I have proven ability to understand Asterisk / VoIP & Network Administrator terminology.

    $5.56 /hr
    3,913 hours
    4.49