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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, 68 Asterisk projects are completed every quarter on Upwork.


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 4.56.

Last updated: October 1, 2015
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alexander Merkulov

alexander Merkulov Agency Contractor

Asterisk/voip/a2billing/freepbx/kamailio expert

Ukraine - Tests: 6 - Portfolio: 5

My time is my value. So when you choosing me you can expect that job will be done in short terms and perfect. I not like to do something that not need be done, i prefer use developed components and solutions. That not mean i can't do development. I working with different programing tasks for last 26 years. yes, from 6 y.o. I live in it. So i prefer do something new&interesting; I can handle all tasks from linux administration/virtualization upto end-user web for voip. Only task i never do - graphical design part. That is not my field, better hire someone else for design. I have university degree, working with asterisk from start of this project. Have developing experience with freepbx/trixbox&a2billing. I am one of contributor of trunk. Also i can work as mysql/postgres DBA, database architect, has experience with following languages: Perl Python PHP C/C++ Javascript SQL Prolog/Lisp,Forth. In voip i can work with callweaver, asterisk, opensips, kamailio. Developed modules for freepbx, elastix, trixbox, a2billing.

Associated with: UA Prime Agency

92% Job Success
$67.77 /hr
546 hours

Ambiorix Rodriguez Placencio

Ambiorix Rodriguez Placencio


Dominican Republic - Tests: 1 - Portfolio: 5

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). -> Complex IVR Solutions (Databases Integrations, Web App Integration). -> Call Center Solutions (Vicidial,Goautodial). -> Customized Broadcasting solutions. -> Technical Consultancy. -> Asterisk & MYSQL-PHP Integration. -> Asterisk Security (Fail2ban, IPTABLES). -> PHP&MYSQL Developer.

93% Job Success
$35.00 /hr
14 hours

abid shah

abid shah

AWS,Cloud, VOS , Asterisk,VoIP,Linux,BulkMail

Pakistan - Tests: 2 - Portfolio: 7

Over the last 9 years I've been working in web hosting industry and have a hand on experience of Linux/Unix system and A+ expertise in all Linux troubleshooting. I've expertise of Amazone, RackSpace, VMWare ESXi(4,5), XenServer, Load Balancer, WHM/Cpanel, Plesk, ISPcp, ISPConfig, DirectAdmin, VirtualMin, Apache, MySQL, Postfix, Dovecot, Exim, Squid, OpenVPN, OpenSSL, Hadoop, Hbase, Solr, Redis, FFmpeg, FFmpeg-php, SugarCRM, ViciDial, VtigerCRM, Shell Scripting, Perl Scripting, PHP, RoundCube, SquerrileMail, Enterprise level Hosting/Mail Servers like Zimbra for large scale Setup with full security features and System Backups. I also have VOIP expertise and following are my favorite Asterisk PBX, SS7 Signaling,IVR Systems, Dictation Systems.

76% Job Success
$16.67 /hr
430 hours

Mehul Shah

Mehul Shah Agency Contractor

VoIP / Asterisk / Vicidial / FreePBX / A2billing /GoAutoDial Developer

India - Tests: 2 - Portfolio: 2

As part of expertise i have build communication platform which provides all kind of customize VoIP Solutions. Cutting Edge technology and consulting with keen focus on Open Source Tele-Communication solutions designed, tested, and proven specifically for large enterprise organizations and telecommunication carriers. I work extensively with large scale & small scale telecom infrastructures, most specifically with next gen private SIP & IMS based networks For enterprises with an eye towards Open Source, I can help: ----- Identify cost saving opportunities within your telecom & network infrastructure by evaluating Open Source's viability within that infrastructure ----- Write specs for communications based custom development projects... if you have an idea I can determine how to execute that idea using Open Source telephony software. ----- Evaluate telecom services from multiple carriers in the design and configuration of mission critical distributed networks. My professional goal is to show enterprise organizations, carriers, and call centers that Asterisk and other Open Source software is a viable, reliable, secure, and flexible solution for large IP PBX deployments and also for Voice / Video Communication over a long distance Services & Project Undertaken on OpenSources: * Customize VoIP Solutions * Asterisk * OpenSER, OpenSIPs * Asterisk Billing * ViCiDial * TrixBox * FreePBX * vTiger * LimeSurvey Offered Solutions : * Video Telephony, Conferencing * Video On Demand * Multicasting * Video Survillience * Auto Dialer integrated with CRM * Click to Call on Web * Call Tracking * Custom IVR Services * Mass Marketing Dialer (Voice Broadcasting) * VoIP Billing • SIP/H323/IAX Gateways/Switches, • Call Centre Solutions, • IPPBX Solutions, • Calling Card/Call back Solutions.

Associated with: Elision Technolab LLP

$25.00 /hr
129 hours

Thiago M.

Thiago M.

Java/Perl/ Linux/Voip/Asterisk/Opensips

Brazil - Tests: 1 - Portfolio: 1

Last 14 years I worked as Internet Provider admin, with linux and perl in Brazil. I worked for 2,5 years as Voip Engineer with asterisk, openser and opensips in Australia. Worked for 1,5 years in Japan with Flex, now, I'm back to my home in Brazil, with my family working with Flex and Java at my new company We make software ERP to manage money and accounting for business companies. At my free time I like to discovery things by programing, some times with stock markets, some times like now, looking for math formula for prime numbers. I'm looking for some freelance job to increase my incomming, Once I want to go again to japan in this 2013.

$27.78 /hr
418 hours

Ismir S.

Ismir S.

VoIP/Asterisk/FreePBX/Cisco/Linux Specialist

Austria - 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

Dmitry Sytchev

Dmitry Sytchev

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

Russia - Tests: 7 - Portfolio: 1

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.

100% Job Success
$33.33 /hr
104 hours