Asterisk Consultants & Developers

Get Your Asterisk Project Started Today!

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, 55 Asterisk projects are completed every quarter on Upwork.

55

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 4.55.

4.55
Last updated: June 1, 2015
More options
Clear all filters
  1. Mykhaylo Dobrovolskyy

    Mykhaylo Dobrovolskyy

    Mykhaylo Dobrovolskyy

    Netherlands - Last active: 3 days ago - Tests: 7

    10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD based solutions like vyatta/pfsense etc) 2) Security - Cisco IPS/IDS, CheckPoint, Linux/FreeBSD based, Juniper etc 3) Linux administration - mail system, database (mysql/mysql cluster), server with high load average, load balancers for server farms (Cisco/F5 based and Linux based like keepalived or apache/nginx with reverse proxy) 4) VoIP - Cisco/OpenSource(Asterisk and different installations based on asterisks like freepbx/elastix etc) There is a very small piece of my knowledge, I'm always looking for opportunity to grow and I'm pretty sure that if you give me tasks - I'll find out best way howto get it done.

    $27.78 /hr
    4,665 hours
    5.00
  2. Ahmed Sayed

    Ahmed Sayed

    Senior Linux Administrator / Virtualization /Asterisk / VoIP / cPanel

    Egypt - Last active: 20 hours ago - Tests: 7 - Portfolio: 1

    I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Proxmox Cluster Administration Asterisk/Trixbox/Elastix/VoIP architect Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ/ProxMox) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery

    $44.44 /hr
    6,959 hours
    5.00
  3. Jehanzaib Younis

    Jehanzaib Younis

    VoIP Developer

    New Zealand - Last active: 23 days ago - Tests: 3 - Portfolio: 1

    Heya a VOIP Developer here with more than 6 years of industry experience. I have developed inbound/outbound/predictive dialing solutions, PBX solutions for many clients. I develop custom VOIP applications they fit to your business enviroment. I develop custom API's plus the API integration of existing solutions. If you need database administration or backup solution just give me a buzz. cheers!

    $23.33 /hr
    178 hours
    5.00
  4. Diego Blanco

    Diego Blanco

    Linux Systems Administrator

    Spain - Last active: 20 hours ago - Tests: 7 - Portfolio: 3

    I'm an expert in GNU/Linux systems and other UNIX flavors. I have experience in CDN deployment, Cloud Computing, High Availability, Monitoring and Video Transcoding and Streaming. I've been working with GNU/Linux since I was 14, what makes more than 10 years of experience so I have a good background in its evolution, tools and administration. I also use to implement tools in shell script and python and I use to code my applications in python. In the last 6 years I've been working as systems administrator and Integrator for an IPTV company that offers streaming and web services. I directed projects regarding software distribution and upgrades automatization, product deployment architecture design and products monitorization. I co-designed and co-deployed the cloud computing platform for the company, its CDN with High Availability, its telephony system and other projects. I really like to learn new technologies, test its capabilities and see what can they do. I like to meet new people, work with them and share knowledge and opinions.

    $33.33 /hr
    634 hours
    4.92
  5. Max Ivanov

    Max Ivanov

    Russia - Last active: 20 hours ago - Tests: 3 - Portfolio: 2

    My main principles are: result-oriented way of thinking, excellent technical base to solve any case, to talk human language with non-IT people, make software for people with neat look and clear UI. I am web developer with 15 years of experience programming PHP, different SQL flavors, Javascript, HTML, using related tools as PHP frameworks, jQuery, Prototypejs, content management systems, version control systems, graphic tools and Unix systems. I have proven experience in development for financial/insurance market. Also I am systems administrator with 15 years of experience managing networks, server infrastructures and data-center operations across multiple platforms (Unix, Linux, Windows) and vendors (Cisco, IBM, HP, 3Com, Avaya). Effectively plan, install, configure and optimize the IT infrastructure to consistently achieve high availability and performance.

    $30.00 /hr
    50 hours
    4.97
  6. Hector Bravo

    Hector Bravo

    IT Expert - Project Manager - PMP, ITIL, VCP, MCSE, MCDBA, VoIP

    Panama - Last active: 2 days ago - Tests: 13

    Design, Plan, Implement and Support for: - Windows Azure / Amazon EC2 - Microsoft Lync - Microsoft Sharepoint - Microsoft Exchange - Microsoft SQL Server - Microsoft Active Directory, ADFS - Microsoft Dynamics CRM - Windows Server / Hyper-V - Microsoft ISA/TMG/UAG - Microsoft SSCM, SCVMM, DPM - Microsoft Office 365 - Voice Integration with Lync - VMWare vSphere / ESXi - VMWare Site Recovery Manager (SRM) - Veeam Backup & Replication

    Groups: Microsoft Certified Professionals

    $33.33 /hr
    930 hours
    4.56
  7. Fedor P.

    Fedor P. Agency Contractor

    DevOps Engineer/ System Architect / Senior System Administrator

    Ukraine - Last active: 1 day ago - Tests: 9

    Hello I'm highly experienced, certified engineer ( RHEL cert, Novel cert, MCSA, LPI 3, OpenText ) DevOps engineer with more than 10 years of experience in wide range of projects. Chief of system administrator team in software development company. Freelancer with more then 4 years in oDesk and "five star" rating. Full range of sysadmin support, system architect, security audit, PCI compliance, consulting, automation, DevOps best practices. If you have any project required professional system administration or DevOPS - I could be the one who you are looking for :) http://www.lxpert.info

    Groups: Microsoft Certified Professionals

    Associated with: Linux-xpert Agency

    $40.00 /hr
    6,153 hours
    4.99
  8. Jack B.

    Jack B.

    Asterisk/VOIP/Vicidial/FreePBX/Elastix Expert | Technical Support

    Philippines - Last active: 20 hours ago - Tests: 1

    Over the past 6 years, I have installed and configured a total of around 1,000 seats call center system with a maximum of 14 servers on one site using Vicidial on both standalone and multi-server setup. I have also installed and configured IPPBX systems, VOIP systems, GSM gateway systems and asterisk-based systems using FreePBX and Elastix ranging from small to medium business enterprises including integration of IPPBX to a legacy PBX(PABX) and to CUCM. My core competencies lies in Asterisk, Vicidial, GoAutodial, Vicibox, FreePBX, Elastix, Linux, SIP, IPPBX and PABX/CUCM integration, VOIP systems and GSM gateway systems. Installing and maintaining VOIP and call center systems remotely to my clients in the US, Singapore, Philippines, China, UK and Middle East has also helped me improved my skills and the way I deal with people especially in interacting and communicating with top management or owners of the business. With this, I'm seeking opportunities to install, develop, configure and support call center systems, VOIP systems and IPPBX systems from the ground up for you or your business. I have also experience in the following areas: - MySQL and Apache - Linux(CentOS, Redhat, Ubuntu, Opensuse, Fedora) and Windows Operating Systems - Microsoft Office applications - Basic to advance TCP/IP networking configuration - Basic to advance troubleshooting(system, software, hardware and networking) - SDLC, UML Diagrams and OOP diagrams - FTP - Remote desktop support - Firewall and linux/shell scripting - Softphones(Eyebeam, Bria Xlite Zoiper and Ekiga) configuration - IP Phones(Mitel, Polycom, Escene, Grandstream, Yealink, etc) configuration - Video Phones(Grandstream, Yealink, etc) configuration - Operator phone configuration - FXO/FXS gateway configuration - VOIP gateways(Dinstar, Grandstream, Audiocodes, Quintum Tenor, Digium) configuration - Sangoma/Digium/Atcom/Openvox card configuration(TDM/Analog, E1, E1R2, PRI/BRI, ISDN) - Multi-tenant IPPBX

    $33.33 /hr
    51 hours
    4.90