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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.


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.

Last updated: August 1, 2015
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  1. Lary Monata

    Lary Monata

    Voip Administrator

    India - Tests: 3 - Portfolio: 3

    Working as Asterisk consultant and linux admin for the last 4 years. Got experience on most of the asterisk based applications like Elastix, trixbox, a2billing , freepbx, vicidial. Developed clicktocall solution, voicebroadcast solution, Phone verification systems using asterisk

    $16.67 /hr
    52 hours
  2. Mahfuzul I.

    Mahfuzul I.

    Expert Java Developer in Telecommunication and Other Domain

    Bangladesh - Portfolio: 2

    7+ year in Software and Telecommunication field. Vast experience in solution customization in java,j2me,Android, MS visual studio.Net,open source. Already developed solution for network programming handling TCP/IP, UDP, SNMP, SMPP,SOAP, XML,FTP, SIP,SMS etc. For telecom customization: Mediation, Raing,Billing,Real Time charging,Inter connectivity.

    $55.56 /hr
    9 hours
  3. Mario S.

    Mario S.

    Linux System Engineer && Security Professional

    Bosnia and Herzegovina - Tests: 8

    A self motivated sysadmin with 5 years of experience.Technical knowledge & proficiency in system administration,small to medium network maintenance, hardware maintenance, operating systems(Linux/Windows), willingness to learn and effectively apply new technologies. Demonstrated problem analysis,resolution skills, ability to troubleshoot, solve problems. Skills: Operating Systems: ----Windows(XP,7,8,Server 2008/2012) ----Linux(Debian,Ubuntu,Fedora,CentOS) GNU/Linux: ----RAID,LVM,fstab,permissions.managing accounts,startup process and related services,troubleshooting filesystem,monitor network performance,produce and deliver reports on system use,routing,troubleshoot network issues,configure the firewall with iptables,ssh,nfs,apache,squid proxy, openVPN,encrypted and network file systems,backups,shell scripting,manipulating with files and file content from command line. Asterisk,FreePBX,SipTrunking,Fop2 Windows Server: ----Installing and configuring Windows Servers 2008/2012,Server Core,Active Directory,GPO,WindowsFirewall,IPv4,DHCP,DNS,PowerShell,SMB. Virtualization: ----Hyper-V 3.0,Wmware Workstation 10,VirtualBox,KVM,Docker,Boxes Networking: ----Good understanding of OSI Model, TCP/IP protocol suite, IP addressing and subnetting, Routing concepts, Port Forwarding,DMZ,DDNS Ethical hacking: ----Web application penetration testing based on OWASP TOP 10,network penetration testing,information gathering,password cracking,wireless hacking,sniffing\spoofing,phishing. Hardening servers, fail2ban, mod_security, mod_evasive,aide,iptables,monitoring with zabbix.

    $10.00 /hr
    273 hours
  4. Ahmad Hamad

    Ahmad Hamad Agency Contractor

    System Administrator/Scripts Write/Cloud Expert/Security Consultant

    Palestinian Territories - Tests: 6 - Portfolio: 2

    Hi there, I am a 32 years certified System Administrator/Programmer/Developer/Project Manager you wish getting help from : I am an LPI(101 & 102),RHCE certified, Automation king and Mobile/Desktop/Web Developer!! I have rich experiences in a wide range of software and systems over the last 15 years, the most notable skills are : 1-Linux System Administartion : I have installed, configured, repaired, and managed so many Linux systems (more than I can remember) since 2006. I started with Fedora, then centos and ubuntu. 2- Scripting (My Favorite!) : I do enjoy very much with scripting especially for automation purposes, and I am very experinced with it, on both linux (bash) and windows (autoit - batch). I can automate all the tasks even those that don't talk to the command line in windows. I made for example in past, a fully unattended Windows installation CDs that is fully customized to include all the software my customers need without asking single question ! and on Linux I use Bash scripting Language to handle almost every aspect of linux and I did wrote so many scripts for various tasks. 3- Hosting Services : I have installed and managed previously many control panels for hosting and administration, that includes Cpanel, Plesk, ISPconfig, Webmin, Usermin, AWS, DigitalOcean, rackspace, cloud providers and more ! and in addition to that I can run the hosting services directly myself with no need for a control panel. I managed standalone software like : Apache, MySQL Server, ws-ftpd, proftpd, lighttpd with fast cgi, thttpd, dovecot, postfix and other servers ! I can also build/manage any hosting services, including shared hosting, VPS and dedicated servers. 4- VPN Services: I have installed and configured many servers that provided VPN services, including PPTP and OpenVPN services. I have even created a custom control panel for the customers and link it with automation scripts I wrote to better help the client managing his customers. (see the following picture): And besides I am the solo developer of vpnplatform ( ;) and my clients consider me the best VPN guy on odesk. 5- Figting Malware: I can get your windows box clean even from the hidden malware and spyware trojans. I can secure your box and keep it safe and protected. I have fought malware since 2001 achieving great results like : cleaning big networks from viruses and worms and keeping it up and running in hostile environments for months with almost no downtime ! Also, I've built an app I called (Automated Malware Wizard), that would backup clinets hard drives and then GUARANTEE the cleaning of them, then update their software to close any possible vulnarables. I can customize it to you to fit your needs (If you intend to run a malware-cleaning and maintainance firm/utility). 6-Networking : I've been an ISP CEO before, and delivered internet services for more than 200 local subscriber when I worked at Hamad ISP. 7- VOIP: I am familiar with Asterisk and Asterisk GUI Installations, from scratch to fully working installation ! 8-Virtualizaion : I am very good with VMware and VirtualBox, I used them for years as a combination with hosting services. 9-Managing Mailing lists : I can manage your Email lists and make it away from SPAM lists by playing fair and square, I managed lists before, some of them got thousands of subscribers, I can clean the list also of all invalid/outdated subscribes by catching all email bounces using (my experience was with phplist script). 10- Web Development using PHP/MySQL : I can develop web pages using a mixture of several technologies including html/css/php/mysql/javascript, and I've been using this skill more and more recently. 11- I have Oracle Databases, android and Java programming experience. And Finally, I can perfectly read, write and talk English Language and you can contact me over email, sms or mobile ! I perfectly speak English Language. I am ready to move to your job location if needed. I respect my work and give it every effort I can while keeping job's secrets secured and not to be shared with any 3rd party. You may see my odesk profile at: Note: I can adjust my availability time to suite your needs. Best wishes Ahmad

    Associated with: Palmtree Geeks, Hamad IT Agency, Holol Agency

    $20.00 /hr
    1,120 hours
  5. Ehsan Ul Haq

    Ehsan Ul Haq

    Unix/Linux System Administrator

    Pakistan - Tests: 4 - Portfolio: 1

    Being a Unix/Linux System administrator I'm experienced on working in HP UX, RedHat, Ubuntu, CentOS, Debian based environments. I've 2 years hands on experience in SAN environment. Worked on HP XP storage management, EM Library, File System Management and Virtualization. Almost 5 years' experience on deploying LAMP infrastructure and LAN/WAN operations for developers. Handling Linux / Unix y Backup servers, File servers etc. 3 years working experience in Linux based Web Hosting environment. Having basic knowledge about Cloud computing e.g Apache CloudStack and OpenStack etc.

    $12.22 /hr
    364 hours
  6. Jon M.

    Jon M.

    Senior Sales Engineer

    United States - Tests: 7

    The age old adage of you get what you pay for has always been true of many products and services but this has never been more relevant than using oDesk freelancers. I originally singed up for oDesk to hire a freelance developer to build an application. After going through 3 different freelancers and spending over $2000 on a relatively simple app I quickly realized these discount freelancers were not able to meet my expectations. That is why I created a freelancer profile and started offering my services as an American contractor. I am located in the United States and can be contacted by phone Monday thru Friday from 9am-6pm Eastern time. I can provide phone support when needed and this is a huge advantage of working with a United States based contractor. I am currently using my IT and engineering background as a senior sales engineer selling and presenting technical products to IT departments, IT directors and C level executives. I have no problem talking to clients in person, on the phone or doing product demonstrations over a webex. I enjoy selling solutions to clients problems and showing them the value in a product. I am also involved with the marketing of products to help promote and generate leads.

    $55.56 /hr
    29 hours
  7. Mobatia Technology

    Mobatia Technology Agency Contractor

    System Administrator

    India - Tests: 2

    Mobatia Technology Private Limited is a technology services company dedicated to providing a fully satisfying customer experience. As a customer driven company, Mobatia offers offshore managed services, mobile applications development and Wesite development for all small and medium enterprise businesses. Since our inception, we have shown consistent growth and evolved our business by finding new ways to add more value for our customers.

    Associated with: Mobatia Technology Pvt. Ltd

    $13.00 /hr
    0 hours
  8. Clay Reiche

    Clay Reiche Agency Contractor

    PHP,PERL Coder/Web Services Integrator

    United States - Tests: 6

    I have been successfully self employed since 1999 providing various IT related services. I started out as a Network Administrator for a Heavy Civil Construction Company in Tampa, FL providing network and desktop support to a corporate office of 75 users. I became the IT Manager of this company and oversaw several successful projects. When this company was purchased by a group company, I became an IT Specialist implementing a wide area network and a VOIP system that spanned the globe. In addition, I was responsible for managing the global team of IT staff positioned at various corporate offices and construction job sites. Since 2006 my main focus has been split between web programming and VOIP implementations with Asterisk PBX systems. My most recent accomplishment was integrating an LMS (Learning Management System) with the Magento, open source, shopping cart, giving my client the ability to sell online training courses through a very robust e-Commerce experience. On the Asterisk front, I have recently completed training for an open source predictive dialer application. This application is also very robust and used in many call centers around the world. Although most of my work these days is in programming and VOIP, I still have several desktop support customers and provide top notch service. I invest annually in LogMeIn Rescue ( This is an industry leading Remote Desktop Support Tool and the only remote support package I have found to work flawless on every occasion. The fact that I am very personable, highly technical and have extensive experience managing projects, means that I am uniquely qualified to tackle almost any IT project on schedule and with a high level of technical quality. Thank you for reading and good luck with your project!

    Associated with: Clay B Reiche

    $100.00 /hr
    0 hours
  9. Haris L.

    Haris L.

    Senior developer, software architect

    Bosnia and Herzegovina - Tests: 2

    I am senior sysadmin/developer with extremely "deep" and "wide" knowledge and understanding of IT platforms and solutions. I have 20+ years of experience working in IT industry including, system and networks administration, software architecture and development as well as IT systems design and implementation, both Linux and Windows based platforms. For last 10+ years my focus was on opensource based platforms, frameworks and software, so following are some of my experiences: - WEB and desktop based software/services architecture and development using many different languages: c, php, perl, python, javascript, html/css, java, vb/vba, vfp... and frameworks; zend, django, express... - sysadmin of different linux flavors (centos, debian, redhat, suse...) - implementation and support of different opensource software platforms: Asterisk/FreePBX VoIP, vTiger CRM, Kannel/PlaySMS SMS marketing services... - design, implementation, tuning and maintenance of PostgreSQL and MySQL RDMBS - design and development of WEB and desktop opensurce GIS/GPS solutions (GeoServer, PostGIS, OpenLayers, OSM...) - lecturing and training both IT professionals and regular users - IT projects management In addition to above, I am also experienced in working cooperatively and effectively with people from a wide range of nationalities asI was engaged in several national wide projects financed and supported by UN/UNDP/UNESCO and WB/IFC.

    $33.33 /hr
    1,253 hours