Asterisk Consultants & Developers

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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, 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: 1 month 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. Hector Bravo

    Hector Bravo

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

    Panama - Last active: 1 month 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
  3. Bhushan Kumar Sharma

    Bhushan Kumar Sharma

    Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

    India - Last active: 1 day ago - Tests: 4 - Portfolio: 14

    Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako

    $16.67 /hr
    3,450 hours
    4.85
  4. Alexandr N.

    Alexandr N.

    Network engineer / Sysadmin / MikroTik / Perl / C / MySQL / Asterisk

    Ukraine - Last active: 2 days ago - Tests: 5

    Over last 6 years I've been working as network engineer and system administrator while been employed by different Internet service providers of the middle range with several thousand clients. My core competency lies in: - network configuration of any scale, improve performance and security; - install, configure and support servers that run FreeBSD/Linux with custom set of services; - install, configure and support of RouterOS and any MikroTik equipment, MikroTik and RoutreOS training; - BGP setup with load balancing/load sharing (MikroTik, Cisco, Quagga); - Hot-Spot deployment; - configuration and troubleshooting of the wireless networks. I also have some experience in: - deployment of Asterisk IP-PBX; - development and patching of small and middle size projects in C and Perl; - web server administration; - deployment of the fully transparent web proxy; - MySQL database server administration.

    $18.00 /hr
    104 hours
    5.00
  5. Sagnik Pal

    Sagnik Pal

    Freelancer - IT Projects

    India - Last active: 08/31/2014 - Tests: 8

    Effectively combine my technical expertise and Domain knowledge in conceptualizing and implementing solutions that align IT initiatives to achieve business goals within given TIMELINE, ensuring QUALITY & COST OPTIMIZATION in the best possible way. ================= CORE COMPETENCIES: ================= IT Infrastructure support involving network & server support; Automation through scripting using VBA & VBscripts; Technical documentation; Trainings; Transcription;

    $20.00 /hr
    0 hours
    5.00
  6. Jochen Demmer

    Jochen Demmer

    Network Designer / Linux Professional

    Germany - Last active: 11/16/2014 - Tests: 5

    Software ideas - Rule-breaking product ideas - What do you need very badly - What are cool features for my software? - investment considerations Superficial strategic software decision making - What can and can't be done. Network design - IPv4/IPv6, VLAN, HP Comware, Dynamic Routing, 802.11, Load balancing, High availability Server Administration - Linux (Debian, Ubuntu, CentOS, RedHat, OpenWRT)

    $60.00 /hr
    2 hours
    5.00
  7. Tewfik D.

    Tewfik D.

    IT Expert, Web developer, Linux Sysadmin

    Algeria - Last active: 15 days 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
  8. Nizhi Saeba

    Nizhi Saeba

    Asterisk and Linux System Administrator

    Mexico - Last active: 9 days ago - Tests: 5 - Portfolio: 2

    I have 10 years working with Asterisk, Linux, Postfix, Apache (and others). Actually i'm studying a bachelor in computer science at UNAM (Mexico) with focus on Data minning, Big Data, and Data Science. In the past i worked at comunications enterprise who has a large amount of office over a lot of cities in Mexico and Central America (Panama, Honduras, Nicaragua, Costa Rica, Dominic Republic), they have now a single callcenter where all calls that inbound from all cities, drops into that callcenter via VoIP with SIP over Asterisk. On the other hand, we build a system for automatic outbound calls for agents to prospect sales. I was also in charge of deployment of servers, Asterisk, Apache/PHP/Django (for web administration and web access for call agents), IPTables (for security), Squid (a web cache proxy for content filtering), Postfix+Dovecot for email, and a large of etcetera, all over ubuntu server and debian linux servers. often i wrote about my work, discoveries, advances and achievements in my blog at http://nizhi.im

    $16.00 /hr
    15 hours
    5.00
  9. Sarmed Rahman

    Sarmed Rahman Agency Contractor

    Server and Network Administration Specialist

    Australia - Last active: 3 days ago - Tests: 5 - Portfolio: 34

    Cisco and Red Hat certified IT professional with four years of experience in system and network administration. Seasoned in planning, implementing and monitoring networks and services that meet challenging SLAs with maximum uptime and optimized routing.

    Associated with: Uber Team

    $30.00 /hr
    22 hours
    5.00
  10. Hristo Iliev

    Hristo Iliev Agency Contractor

    Linux system administrator

    Bulgaria - Last active: 01/21/2013 - Tests: 3 - Portfolio: 2

    - Linux (Gentoo, ArchLinux, Debian, etc) - Opensource based infrastructures. Troubleshooting and recovery - Scripting ( Bash, Perl ) - Services (Nginx, PHP-FPM, MySQL, memcached, mongodb ...) - Monitoring (Cacti, Nagios). Writing plugins - Strong networking skills - Version control (subversion. mercurial) - Asterisk (VoIP solutions). GSM gateways - Programming at basic level (C, C++, JAVA, PHP)

    Associated with: Samsourcing

    $22.22 /hr
    1 hours
    5.00