Asterisk Consultants & Developers

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 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, 52 Asterisk projects are completed every quarter on Upwork.

52

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 4.59.

4.59
Last updated: May 1, 2015
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  1. Andrey Cherkashin

    Andrey Cherkashin

    System administrator(MacOS,Linux,FreeBSD), Developer(Ruby, Objc)

    Russia - Last active: 11/09/2011 - Tests: 8

    In the beginning I was system administrator, mostly for FreeBSD. Then, switched to developing in Ruby and Objective-C. Most of my work is in-house apps for business, but now I'm trying to do some public work. I have experience with: 1) FreeBSD 2) Linux (deb-based and arch) 3) Ruby (1.9.x preferred) 4) Event Machine 5) CouchDB 6) Ruby on Rails 7) Sinatra

    $22.22 /hr
    0 hours
    5.00
  2. Paul M.

    Paul M.

    Expert software developer with 20 years experience

    United States - Last active: 4 days ago - Tests: 2 - Portfolio: 3

    Software developer with 20+ years experience. Many of these years in large telecommunication companies. Developed and project managed complex products. I am focused in a few areas. This focus and experience enables quicker turnaround for you. Expert in complex asterisk PBX setup for multi-extensions, multi-trunks, queues, hunt group, IVR. Expert in developing large distributed systems using Amazon AWS. Expert in Roku. Developed a highly popular Roku Channel (Details provided on request) Expert in web application including google map API, php, mysql, perl. Expert in AJAX style programming for web2. Expert in google earth integration and generation of kml files.

    Groups: LoginRadius

    $50.00 /hr
    69 hours
    4.86
  3. Suphal B.

    Suphal B.

    DevOps,Architect,Integrator,Expert In Server,System,Web Technology.

    India - Last active: 15 hours ago - Tests: 3 - Portfolio: 7

    WHY WILL YOU HIRE ME ? - --- TOP 1% OF SUCCESSFUL Upwork (Formerly oDesk) FREELANCERS http://postimg.org/image/3li7gl9z1/ --- MORE THAN TOTAL 11,000 OF Upwork WORKING HOURS AND STILL COUNTING ! --- TOP RATED Upwork Freelancer. Possible Expert and Business Savvy Solution In Cost Effective And Timely Manner To Serve Best In Industry With Satisfaction Guaranteed. I not only deliver but also make your business profitable. [RHCE, CCNA, RHCVA, RHCSS Certified] Committed to work on any challenging project likewise Enterprise Level Unix, Linux, Windows Server And Network Administration, AWS/EC2,Rackspace,Linode,Cloud Architecture,Virtualization, Monitoring and Maintenance, Web design and development, e-Commerce development, SEO, SEM, ORM, internet marketing, graphics and logo designing, animation, online presentation and publication, online promotion and branding with 100% dedication and satisfaction guaranteed. Serving on these field Successfully with 8 years of versatile experience. Intend to work with the employer on the basis of long term relationship until and unless 100% satisfaction would be achieved.

    Groups: Application Developers Alliance, Bluehost Developers and Designers...

    $40.00 /hr
    11,668 hours
    4.99
  4. Arsen S.

    Arsen S.

    VoIP Administration & Development

    Bulgaria - Last active: 3 days ago - Tests: 2 - Portfolio: 6

    I am focused in VoIP field only and I have been working here for more than 8 years. My Area of experiences: VoIP -Asterisk PBX: Full proficiency -FreeSWITCH: Full proficiency -Yate: Full proficiency -Strong knowlege of SIP protocol and SIP routers/proxy servers -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVR and Auto Attendant Development -Secure VoIP: TLS, SRTP, ZRTP Full proficiency in free Billing/CDR solutions: -A2Billing: Full proficiency (configuration from scratch, customisation) -CDRTool (prepaid billing/accounting and sip tracing for OpenSIPS using RADIUS) -CDR-Stats (call detailed statistic/realtime stat for asterisk and freeswitch) -cgRates (billing for Freeswitch) I provide: - Development of custom Billing and software solutions for Premium Rate Numbers business. - HA and Scalability solutions for existing VoIP networks. - Development and optimisation of VoIP networks/projects. - Ongoing support via request/ticket tracker system. - VoIP Security and Hacker protection solutions. I have successfully completed large amount of commercial installations of VoIP PBX servers. From SOHO to Enterprise deployment including integration of various VoIP solutions into existing network environment. I also have experience in building of secure "bastion" VoIP/Linux servers. Payment Terms: Minimal support package 5 hours. Short-term hourly support: $50 For long-term support please contact for price options. For sizable development projects please contact for price options. We charge upfront scoping (roadmapping meeting, flat-rate). Hourly based projects: -Current hourly rate is $50. Price per projects/feature: -Fixed price projects are calculated based on the hourly rate and expected task complexity. -For all fixed price projects complete project specification with clear tasks description is required -For all fix price projects work will be started only after payment has been es-crowed and both parties have agreed with working terms.

    $55.56 /hr
    126 hours
    5.00
  5. waseemy shahy

    waseemy shahy

    Bigcommerce / Big Commerce / Photoshop / Html5 / Css3 / Javascript

    Pakistan - Last active: 5 days ago - Tests: 6 - Portfolio: 18

    Over the last 4 years, I have developed a wide range of websites using HMTL, DHTML, PHP, and MySQL including sites for startup companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have some experience in the following areas: SQL, Ajax, OOP, software design and testing, eComerce (OScommerc, Magento, Viart, Bigcommerce) , Databases (Mysql, Oracle), Programming (C, C++, Php, Perl, Java Script, Html, Css), OS (Windows,Linux,Mac), VOIP (Asterisk,IVR).

    Groups: BigCommerce

    $16.67 /hr
    2,108 hours
    4.65
  6. Stamatis Kekes

    Stamatis Kekes

    Senior system administrator and PHP - C - Perl developer

    Greece - Last active: 3 days 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
    1,643 hours
    4.79
  7. Abu Sufian

    Abu Sufian

    Linux,VoIP and Windows Server/Network Administrator

    Bangladesh - Last active: 27 days ago - Tests: 9 - Portfolio: 10

    I have over 6 years of hands on experiences in maintaining various servers mostly Microsoft & Linux based systems. Areas of my expertise are: 1. Asterisk, Elastix, Trixbox, FreePBX, Vicidial, A2Billing 2. Amazon EC2,S3,VPS,VMWare,ESXi,Xen,Open VZ 3. Mysql & MSSQL server 4. Windows based Servers, LAMP, Mail, DNS, Proxy Server 5. OpenVPN and L2TP/IPSec VPN 6. Webmin,Cpanel, WHM,Zpanel 7. Cisco,Mikrotik, DD-WRT,OpenWRT

    Groups: Microsoft Certified Professionals

    $8.00 /hr
    1,680 hours
    4.99
  8. Aleksandr Ryzhov

    Aleksandr Ryzhov

    Software Engineer

    Ukraine - Last active: 18 days ago - Tests: 6 - Portfolio: 6

    Design and implementation software for any kind of web applications with strong skills: php object oriented method for backend part (Symfony2 framework), database structure design for ORM, ODM like Doctrine2, RDBMS like PostgreSQL, MySQL, Document DB like MongoDB. A lot of experience in frontend software development on JavaScript with jQuery and Angular library. Use only Linux platform for development, prefer GIT as control version system. And more other skills in computer science like bash, perl scripts, java general purpose programming, VoIP technology and others. Clean code and self advance as higher target for me.

    $22.22 /hr
    691 hours
    4.82
  9. Avinash Mohod

    Avinash Mohod

    VoIP / Contact Center/ Network / Firewall /UCS expert 12yrs Exp

    India - Last active: 6 days ago - Tests: 3 - Portfolio: 1

    BE in Electronics and Telecommunication with 12 years of experience in Contact Center, IP Telephony, security, LAN / WAN installation and administration. Technical Exposure:- Data Center: Vmware 5.x, Cisco UCS Contact Center: - UCCE 7.x, UCCX 7.X/8.X, Verint loggers VoIP: - Cisco: Call Manager 7.x/8.x, Cisco Unity/Unity Connection 7.x/8.x, CUPS 7.x/8.x, CUEAC 8.X, MP 7.x/8.x. CUBE, Voice Gateways, MeetingPlace 7.x/8.x, CME 7.X/8.X, CUE 7.X/8.X Asterisk: FreePBX, Elastix 3CX Video: Cisco MX200/300 Network: - Cisco Routers (7200, 3900, 3800, 2900)) & Switches (6509, 3750, 2900), Frame Relay, ATM Routing Protocol: - OSPF, BGP, RIP. Security: - Cisco ASA 5500, Cisco FWSM, Check Point Firewall Network Tools: -Ethereal, Observer, Solarwind, Netflow. Operating System: - Windows 2003/2008, Linux.

    $16.67 /hr
    90 hours
    5.00
  10. Mohamed Zain

    Mohamed Zain

    Sr Linux Systems Engineer | Dev/Ops | Open source integration Engineer

    Egypt - Last active: 4 days ago - Tests: 10

    +7 years experience install / manage and operate linux servers on a high scale machines infrastructure , open source solution consultancy using Nginx / PHP-fpm,MySQL,Kannel SMS Gateway,Memcache/Redis, Couchbase ,ElasticSearch / Solr Nagios/lcinga/munin, Puppet, Chef, Bash Scripting, PHP, Ruby, Vagrant, Docker , Git, AWS , VOIP, Asterisk also i have experience in load&stress testing and security vulnerability assessment

    $25.00 /hr
    71 hours
    5.00