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 oDesk, 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 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 4.58.

4.58
Last updated: April 1, 2015
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Ahmed Sayed

Ahmed Sayed

Senior Linux Administrator / Virtualization /Aster...

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 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
6,747 hours
5.00
Misha D.

Misha D.

Linux Administrator/Programmer.VOIP Expert (Asteri...

Georgia - Last active: 6 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
192 hours
5.00
Gohar A.

Gohar A.

VoIP Consultant [Asterisk, freeSWITCH, Kamailio, O...

Canada - Last active: 1 month ago - Tests: 3 - Portfolio: 14

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
Sergii Lysiuk

Sergii Lysiuk

Network Security VoIP Specialist - Cisco, Juniper,...

Ukraine - Last active: 6 days ago - Tests: 17

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)

$38.89 /hr
381 hours
5.00
Dmitry Sytchev

Dmitry Sytchev

Asterisk/Freeswitch/Kamalio expert, VoIP engineer,...

Russia - Last active: 5 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
86 hours
4.96
Mohamed Fahim

Mohamed Fahim

Expert in Asterisk, A2billing, Elastix and AWS, Cl...

Sri Lanka - Last active: 6 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
758 hours
4.91
Karim Robertha

Karim Robertha

Senior - iOS/Android/Unity/Titanium/Asterisk/FFmpe...

Netherlands - Last active: 1 day ago - Tests: 6

Hello As a 24/7 hardworking talent with 10+ years of experiences in various programming fields, I am very excited to work in one of the world's best online market place. I have worked as a Software Architect, Project Manager for 5 years with rich experiences and high technologies in software development. My roles: 1. Social/Messaging app development - iPhone/iPad/Android Ui programming - RESTful API integrating - iOS/Android device compatibility - XMPP text messaging - Git/Jira experiences - Parse Framework integration - Cocoapods integration - Fabric SDK integration 2. Streaming Solution development - Streaming Server programming(Wowza, Vlc, FFMpeg, CRtmpServer, Live555, FMS) - Streaming Client programming(Vlc, FFMpeg, OpenGL, SDL) - Video/Audio codec programming(Vp9, Vp8, H264,..., Speex, Opus, Aac,..) - Video/Audio Transmission protocl programming(Hls, rtmp, rtp, rtsp, sip, sdp, ..) - Video/Audio Packet Framentation/Defragmentation 3. Voip solution development - Voip Server programming (Asterisk, OpenFire, COpenSip, ) - Voip client programming (Linphone, Dubangou, CSipSimple ) 4. Game development - Cocos2d-x development - Unity3D development - OpenGL development 5. Cross-platform development - Qt development - Xamarin development - Titanium development Development background experiences: - Github / BitBucket/ Jira experiences - Trello / Slack experiences Supported OS platforms: - iOS/ Android - Windows/ Linux /Mac I am now seeking opportuniest that will allow me to furthur develop my skills by developing high quality solutions to clients. I am very passionate to new challenges and I believe this is the best way to put myself in a good use for clients. Thank you Karim

$69.99 /hr
168 hours
5.00
Ambika P.

Ambika P.

VoIP,SIP,Asterisk,FreeSwitch,Opensips,Kamailio, Li...

India - Last active: 1 day ago - Tests: 6 - Portfolio: 5

Over the last 4.5 years, I have developed a wide range of IT solutions including VoIP, Web and Mobile development for small businesses and startup companies as well as for large companies. I have experience in VoIP, FreeSwitch, Opensips, Kamailio, Asterisk, FreePBX, A2billing, Linux, Opensource Consulting, MySQL, PHP, Joomla, Android, asp.net-mvc, c#, .net-framwork etc. I have developed class4-class5 Soft Switches, SIP Proxy, FAX Servers, Fax2mail, Fax over IP, Messaging Servers, Session Border Controllers, IVR application, Web Applications and many others. My core competency lies in complete end to end IT solutions for VoIP, Web and Mobile technologies.

$25.00 /hr
1,466 hours
4.58