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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.


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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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Ambiorix Rodriguez Placencio

Ambiorix Rodriguez Placencio


Dominican Republic - Tests: 1 - Portfolio: 5

Extensive, practical and relevant industry experience in the following area : -> Asterisk and FreePBX customizations. -> Custom Asterisk Development (PHPAGI,Bash Scripting). -> Hosted PBX Solutions (Amazon AWS, DIgitalOcean, SolarVPS). -> Complex IVR Solutions (Databases Integrations, Web App Integration). -> Call Center Solutions (Vicidial,Goautodial). -> Customized Broadcasting solutions. -> Technical Consultancy. -> Asterisk & MYSQL-PHP Integration. -> Asterisk Security (Fail2ban, IPTABLES). -> PHP&MYSQL Developer.

93% Job Success
$35.00 /hr
14 hours

Dmitry Sytchev

Dmitry Sytchev

Asterisk/Freeswitch/Kamalio expert, VoIP engineer, Linux administrator

Russia - Tests: 7 - Portfolio: 1

I have more than 10 years of experience in installation and support of carrier-grade VoIP services based on Asterisk, OpenSIPS, Kamailio, Freeswitch and proprietary SIP/VoIP software. My professional interests are Callcenters, automated dialer systems and integration of VoIP software with company information flows. You can rely on my strong engineering and programming skills for projects starting from single VoIP server to a complete wholesale/carrier VoIP solutions including billing, call data analysis, security and fraud prevention. I have developed complete SIP solutions for VoIP carriers worldwide: Proxy/Registrars, IVR, prepaid systems, multi-tenant VoIP switches, hardware PSTN gateways (Cisco AS5300/5500, Audiocodes Mediant 2000, Quintum Tenor). I have experience in setup, administration and security of Asterisk, FreePBX, Elastix and FreeSWITCH PBX installations. As a programmer I use PHP, Javascript (both client-side using jQuery and Angular.js and server-side with node.js), Perl (system scripts/applications, Mojolicious webapps). I also have experience in development and administration of MySQL and Microsoft SQL Server databases. I'm experienced network engineer, skilled in routing and switching, general network architecture planning and deployment, network monitoring and security, including HA solutions (heartbeat/pacemaker). I use Zabbix and have some experience with Nagios and other monitoring software. I can also offer you consulting support in VoIP and network technologies.

100% Job Success
$33.33 /hr
106 hours

Mario Becroft

Mario Becroft

System administrator and analyst/programmer

New Zealand

I am a versatile system administrator and analyst/programmer with 12+ years experience in business software, web and embedded. I can handle anything from small microcontroller-based designs to Linux system and network administration and business/web application development. Particular areas of expertise include: low-level C and assembler programming including kernel development; web development with HTML, CSS and Javascript; dynamic languages such as Tcl/Tk, Python and PHP; database programming and administration, including many years experience with PostgreSQL, MySQL and SQLite. I can also do digital hardware development for FPGAs and CPLDs in VHDL, write embedded code on the bare metal or based on Linux or an RTOS, and diagnose tricky system integration issues.

$60.00 /hr
111 hours

Sergey P.

Sergey P.

VoIP and Linux Engineer

Russia - Tests: 5

OS: linux (gentoo, debian, centos ...), FreeBSD over 10 years using/administration Lang: perl, lua, shell (java, ruby, erlang studying) VoIP: asterisk, freeswitch, gnugk, kamailio/ser (over 7 year administration) PBX: Si2000 (v.5), Definity administration (SS7, ISDN) DB: mysql, postgresql Sec: DMVPN, IPsec, OpenVPN Publish: LaTeX

100% Job Success
$30.00 /hr
76 hours

Nikolay Popov

Nikolay Popov Agency Contractor

Network Administrator

Ukraine - Tests: 5

11 years expirience in ISP network administration Mainly worked with Cisco, HP, Foundry equipment. Linux/FreeBSD servers administration (Hosting services, Traffic Engeneering) VoIP (Cisco CME, Asterisk) Passed Cisco BSCI/BCMSN/TSHOOT trainings.

Associated with: Altima Web Systems

75% Job Success
$22.22 /hr
13 hours

Tushar Jain

Tushar Jain

Voice & Data Consultant

Australia - Tests: 2

Tushar is a seasoned professional with 11+ years of experience in managing network operations in a service provider / NOC environment. Experienced & Skilled in Telecoms, MPLS, BGP, VoIP, SIP, Network Support and Managed Services, Remote Network Monitoring, Networking Services, Carrier Services , Telephony Services, IT Managed Network Services, Remote NOC Support. With an In depth design, implementation and support experience in Integrated network management system, Prepaid billing system, Switching, VOIP & Telephony services, SIP Trunking and many more areas, he brings with him a wide experience and has proven to be of great value to all the organizations and clients he has worked for.

$22.22 /hr
0 hours

Malith H.

Malith H.

Network and IT Security Engineer Cisco, Juniper,Checkpoit, Microsoft

United Kingdom - Tests: 1 - Portfolio: 1

To work in a competitive environment that effectively utilizes my analytical, interpersonal, leadership and organizational skills to conceive and achieve solutions. The solutions which help the organization in not only meeting its targets, but also allowing it to grow, thereby, enhancing my own skills as an individual and as a key player in the organization's development. Summery Over 5+ years of experience in planning, designing and implementation of LAN/WAN, WLAN, VPN networks. Expert knowledge of Cisco and Microsoft networks environment. Hand on experience in network, security, systems administration and systems support. Certified in CCNA (R & S), CCNA Security and CCNP certified (Routing & Switching); comfortable with Cisco 806, 1600, 1700, 2500, 2600, 3600, 7200 Series Routers, Cisco Catalyst 1900, 2900, 3500, 3650, 3700 Series Switches and wireless access points and bridges (Cisco Aironet 1200 series APs, 1300 series Bridges ) Expertise in SME LAN,WAN & CAN design, configuration & implementation with cisco devices, wireless network design/configuration & implementation, good working knowledge in Wide Area Networks (WANs) e.g. ADSL, MPLS, Frame Relay, PPP, ISDN. Experience in security implementation and firewalls, Site-to-Site & Site-to-Multisite VPN, DMZ, SSL, remote access and access control servers. Good hands on experiences with checkpoint safe@office 500, Check Point U-5 130, CheckPoint CPUTM-EDGE-N32 and Cisco ASA firewalls. Good knowledge of configuring Cisco based routing e.g. RIP, EIGRP, IGRP, OSPF, BGP, MPLS, VRF,HSRP, VRRP, GLBP, NAC, route redistribution, NAT, Route maps and switching e.g. VLAN implementation, STP, VTP, Access lists, L2/L3 Switching etc. Experience in designing cable and wireless networks, structured network cabling such as STP, UTP, coaxial etc., installation and configuration of LAN, WAN and wireless networks with active components such as routers, switches, firewalls, modems, access points, repeaters etc. Well understandable knowledge and hands on experience in Windows server 2003, 2008, Linux Cent OS and Redhat 5.

$15.00 /hr
0 hours

Patrickz Buranasanti

Patrickz Buranasanti Agency Contractor

Web Developer (exp.10+)


Peerasan or Patrick has Over 10+ years of experience in web development. He has worked with many types of technology such as social network applications, SMS, USSD, VoIP, Telecom, GIS, Street Level View, OTT, Broadcasting Patrick is currently working as a Team Leader. He is responsible for System Development, Web Development and Video Streaming Systems and Lecturer in Live Streaming Workshop Career background - Over 10 years of Web experience (, Telecom, GIS & Digital Agency industries) - Live Broadcasts video streaming, Video on Demand, OTT, MultiScreen - Lecturer in Live Streaming Workshop - Digital Marketing Campiangs, Social media - GIS/IMS/WMS, Maps, 360 degree 3D Video, Street View Level - Tele Communications/ Voice services/ Message Services - Vocie Gatgeway, SMS Gateway, Call Center, VoIP/IP-PBX, MVNO - E-Commerce/Website/Internet Developer more info:

Associated with: SaaSLabs

$50.00 /hr
0 hours

Dragan Saraginov

Dragan Saraginov

Experienced Linux and Windows system administrator

Macedonia - Tests: 2 - Portfolio: 1

Experienced Linux and Windows systems administrator with more than 7 years of experience in systems and network administration. Experienced in installing, configuring and maintaining IP PBX's (Asterisk based - Native asterisk, FreePBX, FlushPBX, Elastix etc...), VoIP telephony, vSphere ESXi environment, Linux and Windows operating systems - experienced in almost all flavours of Linux distributions, configuring routers, firewalls based on RouterOS, configuration and maintaining http, php, samba, proxy, mysql, directory server, cups servers, creating local repository for linux distributions etc...

$16.67 /hr
0 hours