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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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Typical total cost of Upwork Asterisk projects based on completed and fixed-price jobs.

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On average, 68 Asterisk projects are completed every quarter on Upwork.


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Time needed to complete a Asterisk project on Upwork.

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Asterisk Upwork freelancers typically receive a client rating of 4.56.

Last updated: October 1, 2015
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Mohamed Zain

Mohamed Zain

Sr Linux Systems Engineer | Dev/Ops | Open source integration Engineer

Egypt - Tests: 10 - Portfolio: 3

+7 years experience install / manage and operate linux servers on a high scale machines infrastructure , open source solution consultancy using Nginx / PHP-fpm,MySQL,Kannel SMS Gateway,Memcache/Redis, Couchbase ,ElasticSearch / Solr Nagios/lcinga/munin, Puppet, Chef, Bash Scripting, PHP, Ruby, Vagrant, Docker , Git, AWS , VOIP, Asterisk also i have experience in load&stress testing and security vulnerability assessment

$25.00 /hr
72 hours



VICIdial Expert

India - Tests: 1 - Portfolio: 1

Hi, My name is Roy I install, configure, and administer open source auto dialers built upon the Vicidial platform. I have been installing and administering these VICIdial for years. I have a large number of clients, many of whom migrated from a hosted auto dialer, or were looking to move away from an older, expensive, proprietary auto dialer to VICIdial. Some clients use their Vicidial install to handle large volumes of inbound calls, and others use Vicidial for its powerful predictive outbound capabilities; most use Vicidial for blended inbound and outbound campaigns. No matter the case, Vicidial offers my clients compelling advantages over (much) more expensive proprietary auto dialers.

70% Job Success
$33.33 /hr
79 hours

Christopher Brower

Christopher Brower

Senior Network Architect

United States - Tests: 2

• Active Directory Implementation and Administration • Application and OS Automated Deployment • Database Administrator – Microsoft SQL Server 2000 and 2005 • Desktop Engineer – Automation of OS And Application Deployment • Help Desk Support • Group Policy and User Policy Administration • IIS Administration 5, 6, & 7 • Phone Engineer – Designed and Implemented 80 Phone VOIP PBX System • Physical and Logics Network Infrastructure Design • Physical Security Design and Implementation – IP Camera and IP Access Control • Network Security Design and Implementation • Messaging Administrator – Microsoft Exchange Server 2003 • Technical Documentation and Training • Vendor Relations & Purchasing • Virtualization Engineer – Microsoft Virtual Server and VMware ESX Server • Web Services Administrator • Wireless Network Infrastructure Design and Implementation • Adware / Malware / Spyware / Virus Removal • Architect Solutions for Customer’s Needs • Digital Achieving and Electronic Records Management • Disaster Recovery • Email Administration • Hardware Diagnostic and Repairs • Helpdesk Services • Network Diagnostics & Installations • Network Wiring • Server Installations and Provisioning • Server Maintenance • Software Installations • Software Patching and Upgrades • Phone System Installation and Support • Physical Network Repairs

100% Job Success
$66.67 /hr
116 hours

Mehul Shah

Mehul Shah Agency Contractor

VoIP / Asterisk / Vicidial / FreePBX / A2billing /GoAutoDial Developer

India - 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.

Associated with: Elision Technolab LLP

$25.00 /hr
129 hours

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.

100% Job Success
$44.44 /hr
94 hours

Łukasz Dróżdż

Łukasz Dróżdż

NLP Scientist, Software Developer, Translator

Poland - Tests: 7 - Portfolio: 8

Computational Linguist, Software and Database Developer with experience in a wide variety of scientific projects. Particularly interested in text mining and information retrieval technologies. Work experience in SQL database development, web scraping, web development. Freelance translator with experience in general and technical translation, software localisation, consecutive and simultaneous interpreting.

88% Job Success
$33.33 /hr
677 hours

Thanh T.

Thanh T.

VOIP, Django developer

Vietnam - Tests: 2 - Portfolio: 2

I have more than 5 years experience in VOIP, as a system administrator, and a Django developer. I have done many projects relate to VOIP. I have developed some web conference, Web Portal, Commercial for VOIP service. Hosted PBX. I am very familiar with Asterisk, FreePBX, Freeswitch, FusionPBX, Kamailio, Siremis, Elastix, OpenFire, Trixbox, VICIdial, Newfies Dialer. I am very hard working and have strong knowledge in these technologies.

$18.89 /hr
76 hours

Sergo Sarkisian

Sergo Sarkisian

Linux , Cisco ,Vmware , Voip, firewall , security specialist

Georgia - Tests: 18

I want to utilize my knowledge, skills and professional experience in order to contribute to the growth of the company I am working for whilst improving myself. SKILLS:network engineer ,system administrator(RedHat,CentOS,FreeBSD,OpenBSD,WIndows 2000,2003 server), cisco certified specialist(CCNA) Configuration of CISCO routers and switches,firewalls,servers:cisco 36xx,65xx, series,ASA firewall 55xx series, Implementation , configuration,design ,troubleshooting of basic routing protocols(BGP,EIGRP,RIP,OSPF,QoS,MPLS,HSRP,VRRP,GLBP) , Security: IPsec and many vpn solutions,certificate setup 1 Web servers - Apache 2.x,nginx,Squid proxy 2 Mail servers -Postfix,qmail ,sendmail,Mdaemon 3 FTP servers -WuFTPD,Vftpd 4 DNS –bind version 9 ,VPN (Openvpn, IPSEC implementation ) 5 DATABASES-Sql,mysql,postgresql,sqlite 6 LVM ,RAID(0,1,5,10) configuration 7 Experinece in network monitoring tools:Nagios,MRTG ,Cacti

Groups: Bluehost Developers and Designers

100% Job Success
$20.00 /hr
921 hours

Tarik M.

Tarik M.

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

Bangladesh - Tests: 6 - 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