Asterisk Consultants & Developers

Showing 42 freelancers

Asterisk Consultants & Developers

Showing 42 freelancers

Get Your Asterisk Project Started Today!

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 oDesk, 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 oDesk for free!

Asterisk Job Cost Overview

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

oDesk Asterisk Jobs Completed Quarterly

On average, 59 Asterisk projects are completed every quarter on oDesk.

59

Time to Complete oDesk Asterisk Jobs

Time needed to complete a Asterisk project on oDesk.

Average Asterisk Freelancer Feedback Score

Asterisk oDesk freelancers typically receive a client rating of 4.59.

4.59

Last updated: March 1, 2015

  • Computer Systems and Network Engineer CCNA|MCSA|MCITP|OCP|ITIL|VMWARE

    I have done Computer Systems Engineering, worked with different companies for three years and now starting to work as a full time Free Lancer. I have an extensive first hand experience of dealing with System Networks, Windows Servers ( 2003, 2008 … more

    I have done Computer Systems Engineering, worked with different companies for three years and now starting to work as a full time Free Lancer. I have an extensive first hand experience of dealing with System Networks, Windows Servers ( 2003, 2008),2012 different vendors Internet management and security solutions ( Hardware and software) like Air Live 802.11G Internet Access Server, Sonicwall,WatchGuard , ISA 2006 server, GFI Web Monitor, HP Servers, Client and server OS. Other than professional experience I have done Worked in following virtualization software's VMware ESXi 5.0-5.5 Microsoft Hyper-V, Sun/Oracle Virtual Box. Other than professional experience I have done different International Certifications CCNA. MCITP Windows7 Enterprise MCSA Windows 7 MCTS. | Windows 7 MCTS. | Windows 8 PRO: Designing and Deploying Messaging Solutions with Microsoft Exchange Server 2010 OCP( Oracle Sun Solaris OS 10 System Administrator) ITIL Foundation. VTSP 5 I have successfully completed following projects, that were for IT Govt Sector and five star Hotel's Planning Designing and Establishing Network Infrastructure using Microsoft Operational Framework (MOF v 4.0),network consisted of 200+ clients and 20 + servers (HP Proliant ML-150, ML-350,Dell Power Edge 2900). Installation configuration and management of ISA Server 2006,Juniper SSG 5 working together, providing security solution for more than 100 static and 200+ dynamic clients. Automate the process for Management of Internet User Account for the users by Implementation of RADIUS Server In-house developed Software Application Up gradation of clients systems from Windows XP to Windows 7 . Up gradation of domain from Server 2003 to server 2008 Enterprise R2 .  less

    microsoft-hyper-v-server windows-administration vpn security vmware-esx windows-7-administration asterisk voip-administration amazon-ec2 elastix 00 more less
    • $44.44 HOURLY RATE
    • 4.9
    • 523 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 13 PORTFOLIO ITEMS
    • 13 TESTS
  • Network and IT Security Engineer Cisco, Juniper,Checkpoit, Microsoft

    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 … more

    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.  less

    ccnp cisco-ios cisco-routers asterisk linux-system-administration centos ospf bgp microsoft-access microsoft-excel-powerpivot microsoft-powerpoint check-point cisco-voip network-administration network-planning network-security computer-networking snort csu/dsu 00 more less
    • $15.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
  • Mykhaylo Dobrovolskyy

    10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD … more

    10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD based solutions like vyatta/pfsense etc) 2) Security - Cisco IPS/IDS, CheckPoint, Linux/FreeBSD based, Juniper etc 3) Linux administration - mail system, database (mysql/mysql cluster), server with high load average, load balancers for server farms (Cisco/F5 based and Linux based like keepalived or apache/nginx with reverse proxy) 4) VoIP - Cisco/OpenSource(Asterisk and different installations based on asterisks like freepbx/elastix etc) There is a very small piece of my knowledge, I'm always looking for opportunity to grow and I'm pretty sure that if you give me tasks - I'll find out best way howto get it done.  less

    unix-shell mysql php cisco-routers cisco-ios security firewalls openvpn junos cisco-voip linux-system-administration freebsd freepbx asterisk bacula vpn haproxy 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 4473 HOURS
    • NETHERLANDS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • Web Developer / Ethical Hacker & Security Researcher / VoIP Expert

    To serve mankind with my knowledge and skills obtained by a lifetime devoted to computer systems & technology and more than 15 years working with network security and ethical hacking. * Proficient in C / C++ as well as x86-Assembly, Javascript, Node.js … more

    To serve mankind with my knowledge and skills obtained by a lifetime devoted to computer systems & technology and more than 15 years working with network security and ethical hacking. * Proficient in C / C++ as well as x86-Assembly, Javascript, Node.js, Ruby-on-Rails, Java and PHP. * Sharp Unix skills ( Solaris, Linux, BSD), from shell-scripting to kernel patching. System administration and process automation expert. * Hands on PSTN, Switching, PBX and VoIP knowledge. Business oriented CTI (Computer-Telephony integration ) expertise. * Reverse engineer binary code. Security vulnerabilities discovery for fun and profit. * I am a creative developer able to come with high quality solutions for uncommon problems.  less

    unix-system-administration javascript network-security node.js asterisk computer-vision reverse-engineering linux-system-administration c c++ x86-assembler ruby-on-rails 00 more less
    • $28.13 HOURLY RATE
    • 5.0
    • 0 HOURS
    • DOMINICAN REPUBLIC
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 6 TESTS
  • Python developer, UNIX Systems and Networks Expert

    Since 2000 successfully held positions of * Chief Technology Officer (CTO), * Chief Information Security Officer (CISO), * IT manager; System analyst, Solutions architect, Advisor; * Web Applications developer; Web Applications security expert; * UNIX systems and networks engineer (16 years of experience); Specialties Networks … more

    Since 2000 successfully held positions of * Chief Technology Officer (CTO), * Chief Information Security Officer (CISO), * IT manager; System analyst, Solutions architect, Advisor; * Web Applications developer; Web Applications security expert; * UNIX systems and networks engineer (16 years of experience); Specialties Networks architect (MPLS, VLAN, internal routing protocols, BGP), UNIX OS family, Juniper/Cisco network equipment, Firewall, Network and software security (covering Payment Card Industry Data Security Standard), Network services monitoring, Backup solutions, LAMP/FAMP/BAMP/LNMP/FNMP/EBLAMP/XAMPP/XNMPP servers, Database administration, DNS, MTA, Software development, Web applications, Cloud computing, Virtualization, Load balancing and High availability clusters solutions. Practically experienced in programming (since 1993). Good knowledge of the common programming languages: C, PHP, PERL, Python, Javascript, SQL. Familiar with OOP (object-oriented programming), general theory of programming (can quickly learn any new programming language).  less

    computer-networking network-administration network-planning network-security pci-compliance information-architecture data-backup unix-system-administration unix-shell freebsd python bgp juniper-routers cisco-routers amazon-web-services nginx apache-administration load-balancing load-testing project-management scrum mail-server-implementation amazon-ec2 amazon-s3 rackspace-cloudservers lamp-administration apache-tomcat php junos tcp-ip linux-system-administration asterisk database-administration database-programming database-design database-management bash perl russian ukrainian clustering distributed-computing virtualization dns smtp ssh mysql mongodb memcached nagios html javascript amazon-rds email-technical-support postgresql security ubuntu django-framework api-development ssl twitter-bootstrap redmine atlassian-jira website-development postfix nosql vmware-administration firewalls jquery jquery-mobile ajax multithreaded-programming algorithms system-automation policy-writing sql mind-mapping wordpress openvpn vpn 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 662 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 7 TESTS
    GROUPS:
  • Experienced Software Engineer

    ========= 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 … more

    ========= 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  less

    video-streaming c++ qt .net-framework linux-system-administration asterisk eclipse ssh c# 00 more less
    • $35.56 HOURLY RATE
    • 5.0
    • 1692 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 12 TESTS
    ASSOCIATED WITH:
  • 6+Years Experience- Windows/Oracle/HP/Cloud Certified Infra Architect

    6+ Years experience in : * BMC Tools Design/Installation/Configuration. * HP Tools : Certified Accredited Integration Specialist * Windows Administration * Oracle certified Solaris Administrator * ITIL V3 certified Process designer. * Web Programmer * PHP/MySQL expert.

    windows-administration network-administration windows-nt-administration windows-7-administration solaris-administration wordpress joomla php mysql hp-nmc drupal c phpmyadmin joomla-fabrik phone-support email-technical-support asterisk helpdesk-support wamp 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 787 HOURS
    • NEW ZEALAND
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 17 TESTS
  • Asterisk/VOIP/Vicidial/FreePBX/Elastix Expert | Technical Support

    Over the past 6 years, I have installed and configured a total of around 1,000 seats call center system with a maximum of 14 servers on one site using Vicidial on both standalone and multi-server setup. I have also … more

    Over the past 6 years, I have installed and configured a total of around 1,000 seats call center system with a maximum of 14 servers on one site using Vicidial on both standalone and multi-server setup. I have also installed and configured IPPBX systems, VOIP systems, GSM gateway systems and asterisk-based systems using FreePBX and Elastix ranging from small to medium business enterprises including integration of IPPBX to a legacy PBX(PABX) and to CUCM. My core competencies lies in Asterisk, Vicidial, GoAutodial, Vicibox, FreePBX, Elastix, Linux, SIP, IPPBX and PABX/CUCM integration, VOIP systems and GSM gateway systems. Installing and maintaining VOIP and call center systems remotely to my clients in the US, Singapore, Philippines, China, UK and Middle East has also helped me improved my skills and the way I deal with people especially in interacting and communicating with top management or owners of the business. With this, I'm seeking opportunities to install, develop, configure and support call center systems, VOIP systems and IPPBX systems from the ground up for you or your business. I have also experience in the following areas: - MySQL and Apache - Linux(CentOS, Redhat, Ubuntu, Opensuse, Fedora) and Windows Operating Systems - Microsoft Office applications - Basic to advance TCP/IP networking configuration - Basic to advance troubleshooting(system, software, hardware and networking) - SDLC, UML Diagrams and OOP diagrams - FTP - Remote desktop support - Firewall and linux/shell scripting - Softphones(Eyebeam, Bria Xlite Zoiper and Ekiga) configuration - IP Phones(Mitel, Polycom, Escene, Grandstream, Yealink, etc) configuration - Video Phones(Grandstream, Yealink, etc) configuration - Operator phone configuration - FXO/FXS gateway configuration - VOIP gateways(Dinstar, Grandstream, Audiocodes, Quintum Tenor, Digium) configuration - Sangoma/Digium/Atcom/Openvox card configuration(TDM/Analog, E1, E1R2, PRI/BRI, ISDN) - Multi-tenant IPPBX  less

    asterisk vicidial elastix freepbx linux-system-administration sip mysql voip-administration voip-software 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 43 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Sr Linux Systems Engineer | Dev/Ops | Open source integration Engineer

    +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 … more

    +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  less

    apache-tomcat weblogic glassfish sugar-crm pentaho magento openstack redhat-administration wp-ecommerce asterisk 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 29 HOURS
    • EGYPT
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 10 TESTS
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