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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, 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. Damian Z.

    Damian Z. Agency Contractor

    Experienced Software Engineer

    United Kingdom - Tests: 12

    ========= 1500+ oDesk Hours - Excellent feedback - Good oDesk tests results ========= Years of experience of C++ (STL, Boost) and C#, Java, Python and Android programming, digital video quality estimation, IPTV Software Development, Asterisk and A2Billing system configuration etc. Digital TV and IPTV Specialist. Cooperation with Video Quality Experts Group. Participation in big commercial project for public safety monitoring - INSIGMA. Working in IPTV, DVB. Specialist of VoIP domain. Experienced in configuring and administration of VoIP system based on Asterisk and A2Billing. Good knowledge of video streaming technology as well as protocols and codecs used in digital video transmission: H.264, MPEG2-TS, MJPEG, RTP, RTSP, IGMP, UDP, SDP. Very good practical knowledge of Linux operating system: Debian, Ubuntu, CentOS distributions Experience in developing Android applications Experience with installing, configure and maintain platforms based on Amazon Web Services (AWS): EC2, S3, RDS, SES, EBS, Elastic IP, Mechanical Turk GStreamer API Experience

    Associated with: XMementoIT Agency

    $55.56 /hr
    1,692 hours
    4.97
  2. Suphal B.

    Suphal B.

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

    India - 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 12,000 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
    12,669 hours
    4.97
  3. Stamatis Kekes

    Stamatis Kekes

    Senior system administrator and PHP - C - Perl developer

    Greece - 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
    1,769 hours
    4.64
  4. Uzma B.

    Uzma B.

    Monique

    Pakistan - Tests: 3 - Portfolio: 5

    Having worked within the industry for over [4 year], I have developed a wide range of skills that would meet, and exceed the expectations for the role. I just have done with my studies (BSML-Hons 2007-2011) Bachelor in sciences and Modern Languages with major in French language and minor in Spanish language from National University of Modern Languages, Islamabad, Pakistan. I worked with Incall international as English account Mentor and then I worked with Amantel a Pinless Calling Card Company, U.S.A, as Team leader for the Spanish/French extension, deal with English, French, and Spanish customers. I have worked in National University of Modern language as French teacher and as well as I worked in Alliance francaise Islamabad, Pakistan. I also worked online as supervisor as Project Manager and handle French help desk, with NEW MEDIA SERVICES (an AUSTRALIAN company). Currently I am working with NetNizam PVT LTD as a Project Manager, I have been working with them for then 3 years now, together with netnizam I have developed and manager different projects, which can be seen in the portfolio.

    Groups: SocialEngine

    $10.00 /hr
    105 hours
    4.13
  5. Jeremy Brainard

    Jeremy Brainard

    Seasoned IT Pro / Technology Enthusiast / CEH

    United States - Tests: 4

    I am an extremely skilled, motivated, and highly knowledgeable IT professional with 15+ years in the IT industry. I am also an EC Council Certified Ethical Hacker, and in addition to security services, I provide a vast array of technical solutions to both businesses and individuals. From network/server/workstation planning and implementation to advanced troubleshooting and traffic analysis, I am THE answer to your technical demands. Add to this the fact that technology isn't just my profession; it's my passion, and you will discover why my clients have been with me for years and wouldn't consider switching. I absorb and become well-versed at any issue thrown my way, and will get to the bottom of whatever roadblock I encounter. Who I am not: your average neighborhood tech geek, a rep from a fly-by-night shop, or someone sending proposals to any listing that appears. I choose my applications very carefully, and make sure I have budgeted enough time to complete the task required. I also do not apply for jobs that I'm not 100% certain I can handle. Due to these and many other reasons, I have built a solid name for myself locally, and will do so here as well. You'll be glad you chose to have done business with me, and I look forward to meeting your technological challenges head-on.

    $44.44 /hr
    94 hours
    4.79
  6. Khan Mohamed

    Khan Mohamed

    Web Designer, Web Developer , C# Developer , UI Designer

    Sri Lanka - Tests: 4 - Portfolio: 11

    http://www.xhankhan.tk/ I hold a Higher National Diploma in Software Engineering (BTEC). My proficiency accounts in ASP.Net, C#, MS SQL, Access DB, JQuery, CSS, Ajax, Java Script, Photoshop, Dreamweaver, HTML, Fireworks, Flash CS3, ActionScript and etc... My web developing experience includes my last project in which I created a recruitment site for a recruitment agency using ASP.NET http://www.studentneeds.info http://www.sljobs.lk Apart from this i carried out the responsibilities like Database Design, Updating System, UI Designing, Develop desktop applications etc... My former employer was HelloTel(PVT)Ltd. I was part of a development team that designed and implemented a payroll system and a customer support account software system. I have working knowledge of XML etc. and of web graphics.

    $10.00 /hr
    50 hours
    5.00
  7. Tarik M.

    Tarik M.

    Asterisk, VoIP Expert, IP-PBX, linux, Server Admin, Firewall, OpenVPN

    Bangladesh - Tests: 5 - Portfolio: 2

    I have in-depth knowledge of experienced Asterisk, A2billing, Freepbx / VoIP & Network Administrator procedure and documentation. * Asterisk PBX installation, support, advanced VoIP services development * Advanced Call Recording Solution using Asterisk * Hosted PBX applications (Asterisk, Freepbx, Elastix, A2billing, asterisknow) * Call Center applications (Vicidial) * VPN/OpenVpn installation and support Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means I am also effective in digital and web graphics such as logo, banner, pdf forms and others related to arts and graphic designing. I am a multi-awarded Photographer. I am best in retouching photographs, making advertisements, retracing illustrations and making print materials such as flyers, brochures, posters, cd/dvd covers, packaging and labels, business cards and letterheads. I am a photo editor and web designer who believes in perfection. I am always available and welcoming to multiple feedback.

    $17.00 /hr
    0 hours
    5.00
  8. Shaila S.

    Shaila S.

    Web Research, Technical writing

    Bangladesh - Tests: 3

    I am hard working, honest, self-motivated professional; experienced technical support representative and Helpdesk who welcomes challenges associated with driving performance, performance improvement and customer satisfaction. I am working as a core network engineer in an Wimax company.As I only work 8 hours a day 5 days a week ,i have plenty of time to work in upwork I can better serve you in following ways: • Install, configure, maintain and troubleshoot DNS, Web, Proxy, FTP and Centralized Syslog Servers. • Configure and maintain mail servers (postfix, sendmail, qmail). • Configure, maintain ,Adding extension with outbound number, Troubleshooting and report generating of Elastix Server & Asterisk (PBX) • Attack Mitigation: DNS Amplification Attacks, DDoS Attacks, Spamming; Capture & analyse internet traffic packets using Wireshark and other tools for troubleshooting/diagnosis purpose and problem resolution • IP Core Network: IPv6 planning & implementation, EGP protocol (BGP ), IGP protocol (OSPF, EIGRP, IS-IS), Load balance protocol (VRRP, HSRP), Firewall (Cisco ASA, Juniper NetScreen, SRX) • Working with bandwidth shaping tasks using MikroTik Routers and ET/BWMGR • Work extensively with VPN, Router, Switches, Firewalls and Intrusion Prevention Systems (IPSs). • Site-to-Site VPN establish & VPN over Wireless Network & fiber (GRE, IPSEC, SSL-VPN) • Infrastructure design for new clients according to their demand. HLD & LLD design of Network: Access, Distribution & Core layer • Configuring and maintenance Mikrotik Routers with Wi-Fi system. a. NAT, Port forward, Fault Tolerance, Application layer Filtering, Service Prioritization. b. Bandwidth Shaping, Declaring separate Queue both for management and other employee with different speed. c. Assigning no bandwidth limit for internal applications like Mail, CMS, Alepo, ERP, and website. d. Applying restriction for non-official application with IP and content based filtering. e. Site-restrictions with Scheduling.

    $3.33 /hr
    86 hours
    5.00
  9. Imran Khan

    Imran Khan Agency Contractor

    Expert VoIP, Asterisk, PHP Developer with Web Designing Experience

    Pakistan - Tests: 8 - Portfolio: 8

    I have more then ten years of experience working on projects ranging from simple blogs to complex VOIP and Web applications. I have a diverse range of strong skills set base including Linux, Asterisks, Pearl Scripting on the telephony and VOIP side; CakePHP, PHP, and Yii framework for Web development; Joomla and WordPress for websites development. I am also proficient in remote administration of servers and network infrastructures. I don't intent for a short-term relationship with my clients rather I am determined to deliver high quality and value for money for my clients to develop long-term relationships.

    Associated with: TeleMutants

    $30.00 /hr
    172 hours
    1.00
  10. Mohammad Nauman Agency Contractor

    System Administrator/Amazon EC2 expert/Web Developer: recluze

    Pakistan - Tests: 8 - Portfolio: 20

    I am working with Amazon Web Services (AWS). I have more than 9 years of programming and administration experience. Currently I am interested in cloud- based services, especially the Amazon S3, EC2 and SQS. I have experience with a vast range of technologies related to server and web administration. These include the basics such as Apache, MySQL, PHP etc as well as the more advanced technologies such as version control (git, SVN, mercurial), parallel and distributed computing (Hadoop, Map/Reduce) and other programming languages/frameworks.

    Associated with: CSRDU

    $16.67 /hr
    264 hours
    5.00