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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, 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. Robert M.

    Robert M.

    Networking/VoIP/Build/Test/SQA Professional

    United States - Last active: 12 days ago - Tests: 4 - Portfolio: 1

    I'm proficient in networking (Cisco - working on CCNA), operating systems (Linux, UNIX, Windows, MacOS and a few others) as well as Open Source PBX systems such as Asterisk, Trixbox, FreePBX, Elastix and PBXInAFlash. I have done extensive SQA (software testing) as well as scripting (bash) for administration of various servers. I can code in Python, PHP and some Java and Java Enterprise. I've worked extensively with Jenkins for build/deployment environments. I'm quite skilled with web application type servers, including Apache, Tomcat, JBoss, as well as various mail relays - Postfix and Sendmail. When it comes to security, I'm quite proficient at the command line with iptables as well as some open source type firewalls (Sonicwall). I am no stranger to packet analysis/sniffing a network with tools such as Wireshark, ettercap and nmap.

    $25.56 /hr
    118 hours
    4.60
  2. Roman Yerin

    Roman Yerin Agency Contractor

    Web and VoIP(FreeSWITCH, WebRTC) engineer

    Russia - Last active: 1 day ago - Tests: 4 - Portfolio: 2

    I'm a skilled software developer and VoIP engineer with more than 15 years of experience. I'm also a full-stack developer of the convergent systems of voip and web. Playing with Freeswitch, Kazoo, SipXecs, Ruby, Perl, JS(node.js), C/C++ and much, much more - I'm always choosing tools for the task. Probably the most important thing which differs me from others - I'm never working just to gain money. I'm always doing my best to reach your goal the fastest way possible. If you've chosen a non-optimal solution I'll correct it and suggest a more efficient way. I'm never promising something that you're probably expecting to hear instead of the realistic estimate of your project. I'm never lying to my clients and I'm always giving all the information I have - transparently and on a regular basis. In one word - you can trust me as you trust yourself.

    Associated with: Coderunes

    $45.00 /hr
    540 hours
    4.82
  3. David Knell

    David Knell

    Senior telecoms developer/CTO

    United States - Last active: 6 months ago - Tests: 2

    I've been developing software commercially for more than a quarter of a century, both as an employee of large organisations (IBM) and, to a greater extent, as my own boss. I've built and sold two businesses along the way, learning a great deal from having done so. My focus has been on telecoms. I developed TDM IVR systems based around Aculab and Dialogic cards in the late 1990s, and have, more recently, been involved in developing IP solutions using Asterisk, Kamailio and FreeSWITCH. These have included an IP Centrex platform (Asterisk and SER), a carrier-grade softswitch (FreeSWITCH) and various IVR solutions (Kamailio and FreeSWITCH). I'm fluent in a number of languages, including C, PHP, Perl, C# and Javascript, am happy to develop on Windows or Linux and have been using Agile development methods - in particular, release early and often - since before the term Agile was coined. I'm experienced with managing small teams of developers, and understand the importance of delivering the agreed product on time and within budget.

    $75.00 /hr
    3 hours
    5.00
  4. Tewfik D.

    Tewfik D.

    IT Expert, Web developer, Linux Sysadmin

    Algeria - Last active: 1 month ago - Tests: 5 - Portfolio: 13

    Holding an Engineering Degree in Control & Automation, with 7+ years experience in the IT field, I am routinely dealing with web projects and embedded systems development. Specialized in Linux/Unix environments, committed to high-standards and a sense of responsibility, I will be happy to collaborate in web-services projects and server administration jobs.

    $16.67 /hr
    71 hours
    4.62
  5. Mohamed Zain

    Mohamed Zain

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

    Egypt - Last active: 7 days ago - Tests: 10 - Portfolio: 3

    +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
    72 hours
    5.00
  6. Vsevolod Z.

    Vsevolod Z.

    Python developer, UNIX Systems and Networks Expert

    Ukraine - Last active: 1 day ago - Tests: 7 - Portfolio: 2

    Computer Science Master, since 2000 successfully held positions of * Web Applications architect, Python developer and security expert; * Chief Technology Officer (CTO), * Chief Information Security Officer (CISO), * IT manager; System analyst, Solutions architect, Advisor; * UNIX systems and networks engineer (16 years of experience); Specialties Networks architect (MPLS, VLAN, internal routing protocols, BGP), UNIX OS family, Juniper/Cisco network equipment, Firewall, Network and software security (covering Payment Card Industry Data Security Standard), Network services monitoring, Backup solutions, LAMP/FAMP/BAMP/LNMP/FNMP/EBLAMP/XAMPP/XNMPP servers, Database administration, DNS, MTA, Software development, Web applications, Cloud computing, Virtualization, Load balancing and High availability clusters solutions. Practically experienced in programming (since 1993). Good knowledge of the common programming languages: C, PHP, PERL, Python, Javascript, SQL. Familiar with OOP (object-oriented programming), general theory of programming (can quickly learn any new programming language).

    $50.00 /hr
    740 hours
    5.00
  7. mohamed khalaf

    mohamed khalaf Agency Contractor

    Senior Linux and VoIP Administrator,

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

    With more than 4 years of Linux and Windows Administration , I will be able to Support and Help My Valued Clients using my full experience with a Very wide range of applications and services such like : Linux ,Centos ,Fedora ,FreeBSD ,Ubuntu ,Windows Servers ,Cpanel ,Plesk , Zpanel ,ISPconfig ,WHMCS ,Google Cloud Computing ,Rackspace ,AWS ,Digital Ocean ,Godaddy ,Apache ,Nginx ,PHP ,Fastcgi ,SSL ,Mysql ,Bind ,PHPmyadmin ,Wordpress ,Joomla ,Firewalls ,VPN ,FTP ,Mail Servers ,Jira ,Confluence ,Stash ,Fisheye ,GIT ,Asterisk ,ELastix ,and many more services I'm a good Team Player and Team leader as well ,and I'm willing to Take any opportunity to prove my abilities just to make the client satisfied so I can build up my profile with a perfect feedback.

    Associated with: EGY-TECH Agency

    $14.00 /hr
    470 hours
    4.90
  8. Manmohan Kushwaha

    Manmohan Kushwaha

    Vtiger CRM,Symfony,Codeigniter, Asterisk,VoIP,Elastix,PBX

    India - Last active: 2 days ago - Tests: 5 - Portfolio: 2

    I am an enthusiastic, adaptable and dedicated professional with extensive experience across areas of web programming . I have developed many web application including web site,Vicidial, Asterisk, FreePBX, vTiger CRM ,Elastix Call Center Module,FreePBX and SocialEngine . I am confident to analyze, design and develop web based systems. I can communicate and cope with a wide variety of people, coordinate, monitor, motivate, and lead an organization?s technical team. I am capable in setting up world-class professional trains and standards in organization through creative thinking, continuing research & development and continuing improvement programs.I am vtiger expert.I have complete more than 10 project in vtiger. Specialties Web Developer especially in PHP.Have extensive knowledge on open sources like Wordpress,Code Igniter(MVC) Framework and CakePHP(MVC) , and Javascript,JQuery,JQUERY MOBILE , MYSQL(database designing and analysis) and VtigerCRM 5.4.0

    Groups: PHPFox

    $17.11 /hr
    9 hours
    5.00
  9. Nitesh Dhyani

    Nitesh Dhyani Agency Contractor

    Wordpress,Web Programming(PHP+MYSQL),Woocommerce,responsive designs

    India - Last active: 2 days ago - Tests: 10 - Portfolio: 12

    I only believe in deadlines. Only wordpress,PHP and mysql expert . Expert means expert in all 3 no other than this. Client satisfaction is more important ,pay me if you are satisfied with my work otherwise don't pay me. I also have some experience in the following areas: Asterisk,SIP,Auto Dialing, SMS, SMPP, Kennel,Bulk Messaging,MIS Creation.

    Associated with: Virtuemantra Technologies

    $6.67 /hr
    20 hours
    4.87