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, 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. Suphal B.

    Suphal B.

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

    India - Last active: 16 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
    11,678 hours
    4.99
  2. Marvin P.

    Marvin P.

    AWS, VPS, Dedicated, Windows, Linux and Systems Administration.

    Philippines - Last active: 1 day ago - Tests: 10 - Portfolio: 7

    My goals are to provide: 1.) Amazon Web Services (EC2,S3,RDS,Route53,etc) 2.) Linux security and administration, includes installation and configuration of some linux distro's: CentOS, Fedora, Ubuntu, FreeBSD, OpenBSD, Debian, OpenSuse and other linux distributions with Apache,MySQL,Bind,LDAP,FTP,SSH,Webmin and other linux services. Patches and updates of services. Firewall Systems PFsense & Untangle. 3.) Web development & design in Joomla, Wordpress, Drupal, Other CMS Platforms and PHP/MySQL/Javascript/Jquery Programming 4.) Assistance in Hosting Management, Web Transfers, Domain transfer and website consultancies. This includes WHM/Cpanel administration and installation. 5.) Integration of Payment Gateways in Shopping Cart CMS and sites on Magento, Prestashop, Zen-Cart,OpenCart, OSCommerce, Virtuamart and other cart CMS's. 6.) Network Communication Setup. Includes VoIP server and phones installation and configuration. 7.) Windows systems administration like, Microsoft windows server 2003-2012, Exchange server 2003 - 2013, Active directory, DNS & FTP Server. And other Windows Stuff. With over 10 years experience in the field of IT, I can assure my quality service and satisfaction Best Regards.

    $22.22 /hr
    101 hours
    4.62
  3. Nizhi Saeba

    Nizhi Saeba

    Asterisk and Linux System Administrator

    Mexico - Last active: 16 hours ago - Tests: 5

    I have 10 years working with Asterisk, Linux, Postfix, Apache (and others). Actually i'm studying a bachelor in computer science at UNAM (Mexico) with focus on Data minning, Big Data, and Data Science. In the past i worked at comunications enterprise who has a large amount of office over a lot of cities in Mexico and Central America (Panama, Honduras, Nicaragua, Costa Rica, Dominic Republic), they have now a single callcenter where all calls that inbound from all cities, drops into that callcenter via VoIP with SIP over Asterisk. On the other hand, we build a system for automatic outbound calls for agents to prospect sales. I was also in charge of deployment of servers, Asterisk, Apache/PHP/Django (for web administration and web access for call agents), IPTables (for security), Squid (a web cache proxy for content filtering), Postfix+Dovecot for email, and a large of etcetera, all over ubuntu server and debian linux servers. often i wrote about my work, discoveries, advances and achievements in my blog at http://nizhi.im

    $16.00 /hr
    15 hours
    5.00
  4. Asher S.

    Asher S. Agency Contractor

    Product Manager, Software Architect, Cloud & SaaS Architect

    United States - Last active: 05/19/2014 - Tests: 19 - Portfolio: 3

    [Background] I have worked as a consultant to various companies worldwide in high-tech IT related sectors such as Cloud & SaaS, Mobile eCommerce, Automotive & more. [Vision] I believe in working with the best of the best. I am looking for new challenges where I'm given a chance to build something new, creative and completely mind blowing. [Expertise] Over the 14 year span of my career, I have accumulated expertise in the following areas: - New Product Development - Operations research & management - Social Media Marketing & Strategy - Business Development - Information Security - Big Data & Analytics - Mobile App Development - Start ups - Anything and everything cloud related - Software Architecture for large scale applications And of course, I am familiar if not an expert, in all technologies such as Java, Ruby, PHP, .NET, SQL, NoSQL, Unix, Linux, Windows, AWS, VMWare, Xen, Asterisk etc.

    Associated with: ClickStrat Agency Agency

    $80.00 /hr
    4,027 hours
    5.00
  5. Ahmed Halaby

    Ahmed Halaby Agency Contractor

    Expert PHP5/MySQL5/Wordpress/Joomla/MVC Senior Web Developer

    Egypt - Last active: 10/20/2014 - Tests: 2 - Portfolio: 5

    One of major things I've focused on in my career is to be a creative, effective. worked in web development for since 2001, developed and participated in the development of many open source, commercial frameworks and software's. i have a good knowledge of OOP, PHP4/PHP5, C, C++, C#, J2EE, J2ME, Perl, Linux, Bash, Awk, MySQL, SQLite3, Smarty templates, SVN, Apache, SMTP, POP3, IMAP, QMAIL and networking. At end.. ( I love what i am doing ) * I'm looking right now for a full time job for senior web developer :)

    Groups: Kohana, salesforce.com

    Associated with: OutsourcingWay.Com

    $22.22 /hr
    837 hours
    4.84
  6. Henry Huang

    Henry Huang Agency Contractor

    VoIP Consultant/Infrastructure Architect

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

    I am specialized in voice and data integration. Established monitoring platform for data centers with Nagios based tools. Integrate with graphs to collect historical metrics and application performances. Provide an easy to use interface for both the engineers and the infrastructure managers. I have experiences managing hundreds of Linux servers in large scale with a mixed environment of physical and virtual servers. Utilizing configuration management tools like Puppet, monitoring platform OMD (Nagios + Check_MK + Pnp4Nagios), and continues integration to ensure the highest quality service provided. List of my skills: DevOps Integration: Open Monitoring Distribution, Nagios, Check_MK, Puppet, Jenkins, Selenium WebDriver, PhantomJS, Sikuli automation VoIP: Asterisk, A2Billing, FreePBX, Trixbox, Elastix, PBX in a Flash, FreeSWITCH, Plivo, OpenSIPS, SwitchVox IP phones: Astra, Polycom, Linksys, Grandstream, Snom, Cisco, Yealink System Admin: RedHat Linux, CentOS Linux, Debian Linux, Ubuntu Linux, VPN, DNS, High Availability Open Source Server: Zimbra communication Suite, Redmine Project Management,Deki Wiki, OpenVZ virtualization, KVM virtualization Cloud Service: Amazon EC2, Amazon S3, VPS.NET, Linode, Racksapce, Digital Ocean

    Associated with: UniC Solution

    $55.56 /hr
    398 hours
    4.81
  7. Adeel A.

    Adeel A. Agency Contractor

    Web development with over 8 years of experience PHP and Ruby on Rails

    United States - Last active: 1 day ago - Tests: 2 - Portfolio: 3

    I have been working with PHP for the last eight years on many different projects. I also have extensive experience working with API's and all of the major social media platforms. Over the last five years I have expanded my knowledge base to include Ruby on Rails and mobile development. I also have a large team of seasoned developers to help out with larger projects.

    Associated with: Geeks Chicago

    $27.78 /hr
    11 hours
    4.83
  8. Muhammad Aslam

    Muhammad Aslam Agency Contractor

    Drupal/PHP Developer

    Pakistan - Last active: 4 days ago - Tests: 5 - Portfolio: 11

    Over the last 5 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 with rich features like CMS, Blogs, Videos, I also have some experience in the following areas: SQL, Ajax, OOP, and software design and testing. My Primary area of development is in PHP, Drupal.

    Associated with: Thaath Inc

    $50.00 /hr
    1,538 hours
    4.87
  9. Yawar Hadi

    Yawar Hadi

    Voip, asterisk, perl scripting, freeradius, linux, mysql developer

    Sweden - Last active: 07/07/2012 - Tests: 3 - Portfolio: 3

    From last two years i am working on asterisk, free radius and mysql.I developed a full voip application which consist of * Calling Card Application * Soft phone to PSTN calls * DID to Soft Phone * DID to Forwarded no. * SIP to SIP calls * Call routing besides these i add the asterisk realtime functionality using mysql database and for billing i use the free radius server. So my core competencies are asterisk, perl, python, free radius, mysql DB and working on linux plat form.

    $8.89 /hr
    75 hours
    5.00