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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. Alexander B

    Alexander B

    Linux/Asterisk/Vicidial expert/API/CRM Developer

    Dominican Republic - Last active: 24 days ago - Tests: 3

    10 years of experience with production unix systems 6 years of experience with VOIP pbx and callcenter solutions. I prefer a custom writting setups but have lot of experience in freepbx based pbx setups like pbx in a flash, elastix, trixbox, asterisknow, vicidial, goautodial). Lot of experience in writting CRM/accounting/billing web applications and voip frontends with PHP and mySQL. As well have done numerous integration project. I am seeking opportunities to build new state of art PBX and CRM systems from the ground up for you or your business.

    $50.00 /hr
    5 hours
    0.00
  2. Mehul S

    Mehul S

    VoIP / Asterisk / Vicidial / FreePBX / A2billing / Kamailio Developer

    India - Last active: 1 day ago - Tests: 2 - Portfolio: 2

    As part of expertise i have build communication platform which provides all kind of customize VoIP Solutions. Cutting Edge technology and consulting with keen focus on Open Source Tele-Communication solutions designed, tested, and proven specifically for large enterprise organizations and telecommunication carriers. I work extensively with large scale & small scale telecom infrastructures, most specifically with next gen private SIP & IMS based networks For enterprises with an eye towards Open Source, I can help: ----- Identify cost saving opportunities within your telecom & network infrastructure by evaluating Open Source's viability within that infrastructure ----- Write specs for communications based custom development projects... if you have an idea I can determine how to execute that idea using Open Source telephony software. ----- Evaluate telecom services from multiple carriers in the design and configuration of mission critical distributed networks. My professional goal is to show enterprise organizations, carriers, and call centers that Asterisk and other Open Source software is a viable, reliable, secure, and flexible solution for large IP PBX deployments and also for Voice / Video Communication over a long distance Services & Project Undertaken on OpenSources: * Customize VoIP Solutions * Asterisk * OpenSER, OpenSIPs * Asterisk Billing * ViCiDial * TrixBox * FreePBX * vTiger * LimeSurvey Offered Solutions : * Video Telephony, Conferencing * Video On Demand * Multicasting * Video Survillience * Auto Dialer integrated with CRM * Click to Call on Web * Call Tracking * Custom IVR Services * Mass Marketing Dialer (Voice Broadcasting) * VoIP Billing • SIP/H323/IAX Gateways/Switches, • Call Centre Solutions, • IPPBX Solutions, • Calling Card/Call back Solutions.

    $25.00 /hr
    4 hours
    0.00
  3. Charles Phillips

    Charles Phillips

    IA, SI; VMware, Linux, MS, Storage, Asterisk, VDI. 10+yrs.

    United States - Last active: 11/29/2010 - Tests: 1 - Portfolio: 3

    My name is Charles Phillips, and for the last 10 years I have designed, implemented, and maintained enterprise class infrastructure solutions for organizations throughout the United States. My diverse experience is of great value to my clients as a large portion of my consultancy requires matching technologies to specific requirements, in an organic fashion. I will be glad to assist you with any of your needs.

    $90.28 /hr
    1 hours
    0.00
  4. Mark S.

    Mark S.

    EXPERT Systems Administrator: Linux Windows Asterisk cPanel Networking

    Canada - Last active: 12/26/2014 - Tests: 2

    Leverage my skills to provide solid solutions for oDesk employers. I'm currently employed full-time in a corporate IT position but I enjoy system administration and look forward to the added experience that I can achieve by working a few extra hours per week on some diverse projects.

    $55.56 /hr
    2 hours
    0.00
  5. Khurram Shahzad

    Khurram Shahzad

    System Administrator

    Pakistan - Last active: 11/04/2014 - Tests: 2

    I started my career as Associate System Administrator at MaxTelecom in August 2008. Since then I have worked on different environments with respect of scale and complexity. I do have hands on experience on Windows servers (Domain, IIS, SQL,ISA) but most of my experience is with Linux servers that includes Apache, Tomcat , Mysql, DNS, Mail, DHCP, FTP, Asterisk, Squid and Snort. Currently I am working as System Administrator at Zigron.

    $5.56 /hr
    30 hours
    0.00
  6. Anton Rubets

    Anton Rubets

    System/Network administrator

    Ukraine - Last active: 5 days ago - Tests: 4

    Operations systems: - *NIX: *BSD, Solaris, Linux (Debian, CentOS, Ubuntu); - Windows (XP, Vista, 7, 8, WS2003, WS2008). Networks: - OSI, TCP/IP models; - Network design; - Local, Wi-Fi and Global networks; - Cisco routers and switches. Software: - Virtualization and cloud system (VMware, XenServer, Proxmox, CloudStack, OpenStack); - Web servers (Apache, nginx, unicorn); - Databases (MySQL, PostgreSQL, Oracle DB); - MTA (Exim, Postfix); - Mail servers (Dovecot, DBmail); - Monitoring systems (Nagios, Cacti, Zabbix); - Proxy server (Squid); - Software versioning and revision control systems (Git, SVN); - File share (NFS, Samba); - FTP, TFTP; - LDAP (OpenLDAP, Active Directory); - Windows Server Services (WDS, WSUS, Group Policy, Hyena, SNMP, DNS, Terminal); - VOIP (Asterisk+FreeBPX); - Backup system (Bacula); - Automation (Ansible); - Amazon (EC2, Route53, S3); - Project management systems (Redmine, Trac). Programming: - Shell, Bash; - Sed & AWK; - C++; - Python. Literature: - UNIX AND LINUX SYSTEM. ADMINISTRATION. HANDBOOK, 4th Edition. [E. Nemeth]; - Computer Networks, 5th Edition [A. S. Tanenbaum, D. J. Wetherall]; - Computer Networks: Principles, Technologies and Protocols [N. Olifer, V. Olifer]; - Cisco CCENT - CCNA ICND1 640-822 Official Cert Guide, 3rd Edition [Odom W.]; - Asterisk: The Definitive Guide, 4th Edition [R. Bryant, L. Madsen, J. V. Meggelen]; - OpenLDAP Software 2.3 Administration Guide; - OpenStack Cloud Computing Cookbook, 2nd Edition [K. Jackson, C. Bunch]; - The Logstash Book [J. TurnBull]; - Flask – web development [M. Grinberg]; - MySQL High Availability, 2nd Edition [ C. Bell, M. Kindahl, L. Thalmann]; - HaProxy. Configuration Manual 1.5 [W. Tarreau].

    $11.11 /hr
    14 hours
    0.00
  7. Carlos Enrique Arango Patino

    Carlos Enrique Arango Patino

    System and Telecomunication Engineer

    Colombia - Last active: 19 hours ago - Tests: 1

    Knowledge and experience like sysadmin and management GNU/Linux servers, networking, web hosting, DNS and firewall. Knows programming language: JAVA, PHP, Visual Basic. Database like MySQL and CMS like: Joomla and Wordpress Has experience with teaching and conference presentation. Intermediate language concepts with English and Signal Language.

    $16.67 /hr
    2,440 hours
    0.00
  8. Juan Pablo

    Juan Pablo

    Web & Elastix developer

    Ecuador - Last active: 07/03/2014 - Tests: 1

    Programmer for 15 years, I have focused mainly on the development of Web applications using PHP on the backend and Javascript / Html in the frontend. The last 3 years I have been using the Elastix framework -based on PHP- for developing custom modules. Within the requirements that most customers make is customizing the Elastix Call Center. My mission: to deliver value-added solutions based on software with the best cost-benefit.

    $38.89 /hr
    1 hours
    0.00
  9. Peng Zhou

    Peng Zhou

    VOIP/Linux/Asterisk/Freeswitch Expert

    China - Last active: 06/29/2014 - Tests: 2 - Portfolio: 1

    -VoIP and telecom equipment and technologies. Over the past 7 years of working with successfully deployed VoIP services and applications, I always aim to pursue the highest level of professionalism as an expert by handling complex projects with good attention to details. An extra-ordinary skills in order to examine data, in order to find the most effective solution.

    $27.78 /hr
    15 hours
    0.00
  10. Abhishek Das

    Abhishek Das

    VoIP Consultant [Asterisk/PBX/contact center/voice broadcast/A2Biling]

    India - Last active: 3 days ago - Tests: 2

    Who I am....VOIP Developer here with more than 3 years of experience in SIP domain, different IP-PBX's, billing systems, soft-switch systems, also VoIP project-from-scratch development, market analysis. Advanced Dial plan in ASTERISK, VOICE BROADCAST, CLICK2CALL Solution, VOICEMAIL to Email. I have at least currently total of 100 IP-PBX server deployments and also do provide VoIP termination services and also have experience in installing & Configuring communication setups like Call Centres, IVRs and Out bound Dialing Campaigns and after deployment Support. I have touched every aspect of web development, linux administration and always keep myself updated about the current trends and technologies it makes me to greatly understand the problems and devise a perfect and innovative solution for them. Let me know your requirements, i will come up with an implementation model. I guarantee client satisfaction 100% of the time and exceed their expectations while staying on budget.

    $9.00 /hr
    8 hours
    0.00