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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, 59 Asterisk projects are completed every quarter on Upwork.

59

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 4.58.

4.58
Last updated: August 1, 2015
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  1. Ivica S.

    Linux / Network Administrator

    Croatia - Tests: 4

    Over the last 15 years, I had a wide range of network and server related tasks. I am an team player, hard working and dedicated professional who is seeking a position to utilize my skills and abilities in the Information Technology industry that offers professional growth while being resourceful, innovative and flexible. Skills: * 15 years Linux administration (Debian, CentOS) * 10 years Windows administration (NT, 2003, 2008) * 6 years Asterisk VoIP servers * 9 years Network setup and administration * 3 years Virtualization and Clustering

    $33.33 /hr
    350 hours
    5.00
  2. Vladimir Shevelev

    Vladimir Shevelev

    Asterisk and Linux expert at your service.

    Thailand - Tests: 6 - Portfolio: 3

    Self-motivated professional IT specialist with rich experience in Designing, Developing, Implementing and Supporting IT environment of companies and call-centers. Stubbornness and creativity in problem-solving. Deep understanding of the needs of call-centers. 14 years as Systems administrator (Linux, Windows and Network hardware) 6 years of VOIP stack administrator (Asterisk, SIP, GSM-gateways, FreePBX, VICIDIAL) 6 years as Virtualization administrator (VMWare, OpenVZ, KVM, HyperV) 5 years as Project Manager Last 3 years I implemented: I installed SaaS platform for CRM and PBX services (CentOS, OpenVZ, Asterisk, LAMP) for more than 50 virtual hosts and I've been supporting all these servers. Asterisk PBX and vTigerCRM based call-centers in New-York, Sidney and several Russian cities (>20 offices).

    $22.22 /hr
    17 hours
    5.00
  3. Kamran Rao

    Kamran Rao Agency Contractor

    Programmer, Web Developer, VoIP Expert (Freeswitch/Asterisk)

    Pakistan - Tests: 27 - Portfolio: 5

    VoIP: freeswitch, asterisk, freepbx, fusionpbx, agi/ami programming Programming: perl, python, lua, bash Web development: html/css, wordpress, php, mysql Multimedia/Graphics: gimp, inkscape, audacity OS: Linux, Windows

    Groups: Bluehost Developers and Designers

    Associated with: Nethawk (Pvt) Limited

    $13.33 /hr
    115 hours
    5.00
  4. Md Golam Rabbany

    Md Golam Rabbany

    Programmer,PHP,MySQL,AJAX, Jquery, C, C++, VoIP, FreeSwitch, Asterisk

    Bangladesh - Tests: 1 - Portfolio: 4

    10 years’ solid experience in Telecom (E2E Solution Architect, System Analyst, Software Development, Telecom Prepaid/Postpaid Billing, Mediation, Rating, Switching, Routing, Data Migration, Telecom VAS, OCS, SMPP, SDP, CMS, Mobile Payment Gateway, Scripting etc), Programming (C/C++, PHP, JAVA, Perl, HTML, QT, AGI Script, JQuery etc), Java Programing, Android Programming, PHP Framework (laravel, codeigniter, YII, Cake PHP, Joomla, WordPress etc ) Database (MySQL, Oracle, MSSQL, MongoDB), Networking, Vendor Soft-Switch (Huawei Softx3000, Telco Bridge, SanSay, Genband, ZTE etc), Open source application (Asterisk, Free Switch, Open SIP, E-Commerce etc) CRM & Global Payment Gateway. Specialties: Telecom Billing, Global Payment gateway, OCS, VAS, SDP, Software Development, Web based application development, open source project, web security, web architecture, database design and optimization, design pattern, frameworks & Open Source technology.

    $16.67 /hr
    0 hours
    5.00
  5. Md Nahiduzzaman

    Md Nahiduzzaman

    Linux, VOIP, Asterisk, ViciDial, Twilio, PHP, Mysql, eCommerce

    Bangladesh - Tests: 12 - Portfolio: 6

    I have good knowledge of IP Telephony (VOIP) I have worked on - * Linux Administration * Asterisk * VOIP Billing with Asterisk & PHP-AGI * Elastix * Vicidial * Vicidial UI Design * Twilio * CodeIgniter (PHP Framework) * Mysql * Magento (E-commerce Platform) * Prestashop (E-commerce Platform) * Web Application

    $15.00 /hr
    3 hours
    4.91
  6. Paul M.

    Paul M.

    Expert software developer with 20 years experience

    United States - 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
    74 hours
    4.88
  7. Arsen S.

    Arsen S.

    VoIP Administration & Development

    Bulgaria - 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
    183 hours
    4.54
  8. Aleksandr Ryzhov

    Aleksandr Ryzhov

    Software Engineer

    Ukraine - Tests: 6 - Portfolio: 8

    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