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, 52 Asterisk projects are completed every quarter on Upwork.

52

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 4.59.

4.59
Last updated: May 1, 2015
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  1. Gohar A.

    Gohar A.

    VoIP Consultant [Asterisk, freeSWITCH, Kamailio, OpenSIPs, Vyatta]

    Canada - Last active: 1 month ago - Tests: 3 - Portfolio: 14

    Since last 7 years now I'm involved intensely in end-to-end VoIP setups. That included pre-deployment 360 degree Architecture planning. Actual development of the projects, including aiding other teams develop the exact required component for the projects. And after deployment Support. My career objectives are to be a very flexible expert capable of working on almost any layer. Come up with intelligent solutions to help achieve business goals smartly. I'm proficient in following domains * VoIP * Server Administration * Network Administration I've experience in Following tools. * Asterisk * FreeSwitch * OpenSIPs * Kamailio * SEMS * Vyatta * MySQL * Linux OSs I've worked in following languages. * C++ * Perl * Php * Shell scripting Find More about Me from my VoIP Blog: http://saevolgo.blogspot.com

    $60.00 /hr
    152 hours
    4.99
  2. Jeremy Brainard

    Jeremy Brainard

    Seasoned IT Pro / Technology Enthusiast / CEH

    United States - Last active: 2 months ago - 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.

    $44.44 /hr
    94 hours
    5.00
  3. Robert M.

    Robert M.

    Networking/VoIP/Build/Test/SQA Professional

    United States - Last active: 11/22/2014 - 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
  4. Vitaliy Nogin

    Vitaliy Nogin

    Linux, Cisco administrator

    Ukraine - Last active: 3 months ago - Tests: 5

    PROFESSIONAL EXPIRIENCE: EQUIPMENT: 1 Server hardware by IBM and HP, IBM-PC compatible. 2 CISCO switches and routers (800,1700,1800,2600,2800,3560,3600,3750,7200,etc series) 3 Intel switches. 4 Digital Super Hybrid Telephone Systems iDCS-500 and OfficeServ 7200 by Samsung 5 Zeroshell, 3Com, D-Link, Zyxel, MikroTik. OPERATING SYSTEMS: 1 UNIX, Linux, FreeBSD, Solaris 2 Microsoft Windows Server 2003/2008 NETWORK PROTOCOL: 1 HTTP, SNMP, SMTP, TELNET, FTP, SSH, SCP, SMB, NFS, DNS, NNTP, POP2/POP3, IMAP, UUCP, NIS, NFS, SOCKS5 etc. 2 SSL 3 RPC, NetBIOS 4 TCP, UDP, GRE 5 IP, BGP, OSPF, RIP, PPP, ICMP, ARP 6 Ethernet, X.25, Frame Relay, ISDN, MPLS, IEEE 802.11 PROGRAMMING LANGUAGES: Perl, bash, csh, awk, expect, PHP, Pascal, Delphi, C++, Visual Basic, HTML, Java

    $16.67 /hr
    0 hours
    4.91
  5. Igor Nikolaev

    Igor Nikolaev

    Linux, Asterisk, CISCO system administrator

    Russia - Last active: 11/09/2013

    Over the last 6 years i work in telecom-integrator company, located at Russia, Moscow. My core competency lies in network management, linux system administration, VoIP hardware and software management. I also have some expirence in PHP programming, MySQL programming and administration, C/C++ programming. I write some patches for Asrerisk IP PBX (fix some problems with SIP video channel; patch for H.323 driver for interconnection with Ericsson BP-250 PBX, patch for RTP module for interconnection with some older versions of Ericsson MD-110 PBX).

    $33.33 /hr
    0 hours
    5.00
  6. 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
  7. Abu Sufian

    Abu Sufian

    Linux,VoIP and Windows Server/Network Administrator

    Bangladesh - Last active: 9 days ago - Tests: 9 - Portfolio: 10

    I have over 6 years of hands on experiences in maintaining various servers mostly Microsoft & Linux based systems. Areas of my expertise are: 1. Asterisk, Elastix, Trixbox, FreePBX, Vicidial, A2Billing 2. Amazon EC2,S3,VPS,VMWare,ESXi,Xen,Open VZ 3. Mysql & MSSQL server 4. Windows based Servers, LAMP, Mail, DNS, Proxy Server 5. OpenVPN and L2TP/IPSec VPN 6. Webmin,Cpanel, WHM,Zpanel 7. Cisco,Mikrotik, DD-WRT,OpenWRT

    Groups: Microsoft Certified Professionals

    $8.00 /hr
    1,684 hours
    4.99