Asterisk Consultants & Developers

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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.

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

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: July 1, 2015
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  1. Ahmed Sayed

    Ahmed Sayed

    Senior Linux Administrator / Virtualization /Asterisk / VoIP / cPanel

    Egypt - Last active: 1 day ago - Tests: 7 - Portfolio: 1

    I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Proxmox Cluster Administration Asterisk/Trixbox/Elastix/VoIP architect Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ/ProxMox) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery

    $44.44 /hr
    7,092 hours
    5.00
  2. Misha D.

    Misha D.

    Linux Administrator/Programmer.VOIP Expert (Asterisk based systems)

    Georgia - Last active: 16 days ago - Tests: 16

    Over the last 7 years I've been focusing on Linux based systems(Debian,Ubuntu,CentOS,Fedora etc). Install,maintain and troubleshoot voip,web,database,file servers(asterisk,apache,exim,postfix, mysql,ftp ...). I've a strong knowledge of network protocols. Knowledge of web technologies:html,css,javascript,ajax. programming/scripting skills: C#,php,perl,bash,awk,sed. I have a strong background in voip,mainly asterisk based systems - asterisk,asterisknow, trixbox, elastix,freepbx,a2billing. Configuration IVR,predictive dialers,conferencing,voicemail etc. Dialplan and AGI programming. Ip phone/voip adapter configuration/management/troubleshooting(Cisco,Polycom,Linksys etc). Good knowledge of SIP protocol.

    $20.00 /hr
    195 hours
    5.00
  3. Dmitry Sytchev

    Dmitry Sytchev

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

    Russia - Last active: 10 days ago - 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.

    $33.33 /hr
    93 hours
    4.96
  4. Alexandr N.

    Alexandr N.

    Network engineer / Sysadmin / MikroTik / Perl / C / MySQL / Asterisk

    Ukraine - Last active: 2 days ago - Tests: 5

    Over last 6 years I've been working as network engineer and system administrator while been employed by different Internet service providers of the middle range with several thousand clients. My core competency lies in: - network configuration of any scale, improve performance and security; - install, configure and support servers that run FreeBSD/Linux with custom set of services; - install, configure and support of RouterOS and any MikroTik equipment, MikroTik and RoutreOS training; - BGP setup with load balancing/load sharing (MikroTik, Cisco, Quagga); - Hot-Spot deployment; - configuration and troubleshooting of the wireless networks. I also have some experience in: - deployment of Asterisk IP-PBX; - development and patching of small and middle size projects in C and Perl; - web server administration; - deployment of the fully transparent web proxy; - MySQL database server administration.

    $18.00 /hr
    104 hours
    5.00
  5. Mohamed Fahim

    Mohamed Fahim

    Expert in Asterisk, A2billing, Elastix and AWS, Cloud telephony

    Sri Lanka - Last active: 7 days ago - Tests: 4

    Over the last nine years I have actively engaged in designing and implementing VOIP telephony related infrastructure which involved in installation, provisioning and commissioning of highly complex VOIP solutions using Asterisk, A2billing, Elastix, Asternic, PIAF, Trixbox and Amazon AWS cloud telephony, Azure, HP Cloud, Rackspace and Digital Ocean Asterisk telephony installation. Provides call centre solutions using Asterisk, A2billing and Asternic. G729/G723 codec installation also Genband C3, Genband G9, Genband T800, Genband S3, Nextone VOIP Support.

    $16.00 /hr
    760 hours
    4.91
  6. alexander Merkulov

    alexander Merkulov Agency Contractor

    Asterisk/voip/a2billing/freepbx/kamailio expert

    Ukraine - Last active: 1 day ago - 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 a2billing.org 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

    $67.77 /hr
    535 hours
    4.97
  7. Gohar A.

    Gohar A.

    VoIP Consultant [Asterisk, freeSWITCH, Kamailio, OpenSIPs, Vyatta]

    Canada - Last active: 3 months ago - Tests: 3 - Portfolio: 15

    Since last 7 years now I'm involved intensely in end-to-end VoIP setups. That included pre-deployment 360 degree Architecture planning. Actual development of the projects, including aiding other teams develop the exact required component for the projects. And after deployment Support. My career objectives are to be a very flexible expert capable of working on almost any layer. Come up with intelligent solutions to help achieve business goals smartly. I'm proficient in following domains * VoIP * Server Administration * Network Administration I've experience in Following tools. * Asterisk * FreeSwitch * OpenSIPs * Kamailio * SEMS * Vyatta * MySQL * Linux OSs I've worked in following languages. * C++ * Perl * Php * Shell scripting Find More about Me from my VoIP Blog: http://saevolgo.blogspot.com

    $60.00 /hr
    152 hours
    4.99
  8. Soslan Aldatov

    Soslan Aldatov

    Expert server-side developer (Web, VoIP, Asterisk)

    Russia - Last active: 1 day ago - Tests: 1 - Portfolio: 3

    Highly skilled server-side developer with over 7 years of experience. Extremely reliable and responsive as it's been written a lot of times in my clients' feedbacks on Elance. I develop high quality web applications and VoIP platforms. My main speciality is VoIP. Asterisk, FreeSWITCH, openSIPS, Kamailio, VoIP billings and various hardware - that's what I deal with most of time. My background is PHP/MySQL programming. I've been working as a web developer for a lot of years, and you can find plenty of successfully performed PHP projects in my job history on Elance. I am also very familiar with GNU/Linux as a system administrator. I'd be glad to help you, so feel free to contact me any time.

    $40.00 /hr
    93 hours
    4.94