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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, 68 Asterisk projects are completed every quarter on Upwork.


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 4.56.

Last updated: October 1, 2015
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Ismir S.

Ismir S.

VoIP/Asterisk/FreePBX/Cisco/Linux Specialist

Austria - Tests: 5

VoIP and network engineer/administrator with more than 6 years of experience in design, planning and implementation Unified Communication and IP centrex solutions, large scale telephone and Cisco data networks. Deep understanding of asterisk PBX, FreePBX, Elastix, SER and OpenSER/Kamailio SIP servers. Fluent in SIP, SS7, IAX, RTP, T38, ISDN, STUN, SDP, Ethernet, TCP/IP, DHCP protocols, Cisco routing (BGP, OSPF), switching, LAN, WAN, ACL, QoS, VLAN.

$38.89 /hr
1,059 hours

Jorge iii t M.

Jorge iii t M.

Asterisk / Linux / VICIdial / Elastix / FreePBX / VoIP / HylaFax

Philippines - Tests: 1 - Portfolio: 8

10 Years of I.T. Experience, more than 5 years solid/hands-on experience of Enterprise Callcenter Solutions, VoIP and Telephony. Installed, configured and support numerous Asterisk / VICIdial / Elastix / FreePBX / Trixbox / Switchvox Servers. I can provide Asterisk/ VICIdial / FreePBX / Trixbox install, configuration and support and as well as configure Digital and Analog Cards for ISDN and POTS such as Digium, Sangoma, Rhino and Openvox telephony cards. Skills include deploying, migrating and managing medium to large-scale Servers and desktop environments, designing and implementing system tools and automating operational tasks. Computer Telephony Integration, VoIP, Asterisk, VICIdial Predictive Dialer and Enterprise Callcenter Solutions/Dialers. Specialize in Linux System Administration (Slackware, Debian, CentOS, Fedora, Ubuntu,Opensuse), Freebsd/OpenBSD, bash, php, perl, tcp/ip, VoIP, Asterisk, VICIdial Predictive Dialer, Active Directory, RDP/Termninal Services, WAN/LAN/WirelessLAN and Other Enterprise Callcenter Solutions/Dialers. Dialer management and lead management, responsible for optimizing contact rate by managing all calling campaigns and strategies whilst working in a target driven environment.

100% Job Success
$22.22 /hr
2,189 hours

Ahmed Fouad Sayed

Ahmed Fouad Sayed

Senior Linux Administrator / Virtualization /Asterisk / VoIP / cPanel

Egypt - 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

100% Job Success
$44.44 /hr
7,640 hours

Sherwin D.

Sherwin D.

VoIP Expert / IP-PBX Specialist / Asterisk Ninja

Philippines - Tests: 4 - Portfolio: 17

Over 12 years hands-on experience. i have a great knowledge on VoIP Hardware and Applications from open source softswitches, MultiTenant PBX and predictive dialers (Asterisk, Freepbx, FusionPBX, BlueBox, Thirdlane, FreeSwitch, A2Billing, Elastix, Trixbox, Vicidial, GoAutoDial, etc), to licensed softswitches (Voipswitch, Nextone, Voicemaster, PortaOne, Mera, etc) and other VoIP gateways. I have at least currently total of 500 IP-PBX server deployments and also do provide VoIP termination services. I work as a part-time consultant for a number of VoIP companies in the Philippines. I have a broad knowledge about networking and wireless. this includes routers, firewalls, access points and VSAT. I also do hardware/software troubleshooting and web designing (joomla and wordpress) and basic programming (php, html and perl) I am confident that i can deliver any work satisfaction guaranteed

100% Job Success
$33.33 /hr
2,224 hours

Yuriy N.

Yuriy N. Agency Contractor

Freeswitch/Asterisk/OpenSIPS/Kamailio/Linux/Network/VoIP Enthusiast

Russia - Tests: 1 - Portfolio: 1

Telecom Software and Network Engineer more than 6th years in companies - communication providers. I have extensive experience with deploying a complete infrastructure of voip provider, using OpenSource telephony technologies such as freeswitch, asterisk, OpenSIPS\Kamailio, kazoo, etc. Mostly I'm dealing with emerging startups or with small but accomplished voip companies which want to improve\reorganize their infrastructure; create something new or fix some issue on their network. So it is main area but sure I can help with other projects that correspond to my list of skills.

Associated with: Nasida

100% Job Success
$40.00 /hr
1,118 hours

Debasis B.

Debasis B. Agency Contractor

Design, Automation & Customization in Salesforce,VoIP,Asterisk,Php,FM

India - Tests: 4 - Portfolio: 14

Highly experienced expert designer and coder for new product development in Salesforce Apex and VisualForce, sites, VoIP, IVRs, SMS, Php-MySQL, Drupal, Netsuite, OpenERP, Amazon AWS, Amazon DynamoDB, Filemaker Pro and Cloud computing technologies. Creative problem solving ability for your complex apex, visualforce and siteforce requirements, who can elevate your organizations high-tech capability to the next level. Widely travelled in many countries including USA, Australia, UK, Europe, Asia Pacific countries on project implementations and thoroughly understand your global project outlook requirements. Have more than 17 years of commercial product development experience as Freelance Coder and remote development manager. Extensive experience in wide range of new commercial custom product development from inception primarily in VoIP, IVRs, SMS, mobile, Cloud ERP, Banking, B2B and B2C related sectors for diversed organizations situated in more than 10 countries. Lead complete IT development of US, UK and Australian companies. In-depth knowledge in Asterisk, Red5, C, C++, Php - MySQL, Perl, SIP, H.323, streaming video, premium IVRS and SMS applications, SalesForce and technologies, Apex coding, VisualForce, Netsuite cloud ERP, Drupal, FileMaker Pro 11, FileMaker Php, Quickbooks integration, AutoIT, Amazon EC2 based solutions, Ajax, jQuery & jQueryUI. My core competency lies in production level product development as top designer / programmer / developer from inception, and here I am seeking further such opportunities to design and develop professional, stable, bug-free products for your business.

Groups: BoonEx,

Associated with: CloudLogics Agency

100% Job Success
$40.00 /hr
5,973 hours

Nikesh Shakya

Nikesh Shakya

Asterisk, Vicidial, Goautodial, FreePBX, WHM, CPANEL, Linux Expert

Nepal - Tests: 2

Over the last 5 years, I have installed a wide range of servers under Linux , Windows , Asterisk, Vicidial, Goautodial, Freepbx, a2billing, WHM and CPANEL including regular maintenance and updates for start-up companies and large businesses. My core competency lies in complete management of Linux, Windows, Asterisk, Vicidial, Goautodial, Freepbx, and CPANEL, and I am seeking opportunities to build servers as per your need from the ground up for you or your business. I also have some experience in the following areas: SQL, HTML, CSS, PHP, Hostings,SEO, web development & software design and testing.

97% Job Success
$19.00 /hr
3,283 hours

Zhong W.

Zhong W.

Perl hacker and Voip Expert

China - Tests: 5

I have more than 8 years working experience of voip industry. i am proficient in Asterisk, Freeswitch, Kamailio,Fusionpbx, A2Billing, Freepbx,Freeside and Linux Administrator. And i have planned and built dozen multi-tenant carrier pbx. i have been always supporting two muti-tenant carrier pbx systems based thirdlane and FusionPBX which both have more than 500 concurrent calls and 3000 registrations extensions. I am able to coding with C/C++, Perl, PHP, shell, sql and other programming language. And I have done sucessfully about 30 jobs about voip system on upwork . I am steady, honest and hard-working. I am fond of innovation and pursuiting new techonologies.

100% Job Success
$27.78 /hr
2,714 hours

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

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.

98% Job Success
$16.67 /hr
1,833 hours