Asterisk Consultants & Developers

Showing 324 freelancers

Asterisk Consultants & Developers

Showing 324 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

  • Telecom & IT Administrator

    From August 2006 - Present (Fusion Ltd. For Internet Services & Telecommunication Systems )  Voice: (2008 – present) ----------- Design, monitor, report, Configure, Implement, and support VOIP solutions as the following: o VOIP soft switch such like Genband SBC o Follow voice traffic with wholesale … more

    From August 2006 - Present (Fusion Ltd. For Internet Services & Telecommunication Systems )  Voice: (2008 – present) ----------- Design, monitor, report, Configure, Implement, and support VOIP solutions as the following: o VOIP soft switch such like Genband SBC o Follow voice traffic with wholesale customers and suppliers with following their NOC tickets o VOIP SIP-Based application servers o Build calling card, voice over broadband services and offers using strong platform with combined services, including prepaid and postpaid o Related with Cisco voice products and use it in joining Toll free access numbers or in termination process o Related with Quintum Tenor AX, DX series o SIP / H.323 devices o IP-PBXs Switchvox Digium SMB and integrate it with customized customer support ticketing system o IVR service using Digium Appliance o Any VoIP media gateway (cisco, Quintum, grandstream, Linksys , ...)  Voice Carrier Relations: (2009 – Present) o Contact telecom and VoIP providers and make interconnection with them o Follow accounts , billing , statements and apply route testing o Use 3rd party solution for billing integrated to Genband SBC for some months  Networking: (2006 – Present) ---------------------------- o Deploy wired / wireless networks and support virtual private networks applied by fusion to (electricity company, Islamic university of Gaza , college university ) o Deploy WiMax wireless networks (a project built to UNRWA school , support 240 school ) and also have B.S inside company o Work with cisco routers o Install virtual machine data center using VMware vSphere 5.x and making clustering using vCenter and monitor VMs o Install Microsoft & Linux servers o Build DNS , Video Streaming ,Web , Mail server , … o Deploy cache server using WCCP and apply basic filtering with GRE and L2 via Cisco router. o Install Veeam backup system for virtual machines and vSphere  IT Automation Managed Services------------------------------------ o Kaseya IT Automation Solution for managing end user and corporate machines with automated schedule procedures like automatic windows installing, Kaspersky and AVG antivirus installing and scanning with automatic detecting and deleting of viruses.  Business Process Management:------------------------------------------ o ARIS Business Processes Management: which help companies and institutions to minimize the gap between AS-IS processes and business plan process, the software is auto-documented and help institutions to get the right position tasks with ability to change process and improve it  Power Networking Fields:-------------------------------------- o Configuring & installing BPL system ( Broadband power line communication ) o Configure and install AMR (Automatic Meter Reading) system for GDECo. – Project applied in 2007 o Also working to integrate passive fiber with BPL for new project (GPON/BPL)  Video:----------------------------------- o Related with video conferencing solution which focus on bandwidth consuming and provide SD/HD features with (whiteboard , file transfer, record video , document sharing ) o Use Microsoft expression encoder to build live stream solution o Working with E-learning and video conferencing solution integrated with moodle , an open source of course  Sales Engineer o Work with market team for promoting , advertising fusion campaigns , exhibition , web designs , companies relations o Work as sales engineer to sell fusion integrated services such like voice + internet, hosted solution, etc. .. Projects:  WiMax School Net –UNRWA 2007 - Work as Technical and System Engineer for deploy and install mini-towers in UNRWA schools - installing WiMax CPEs and configure it to the uB.S and align it - continue support UNRWA Engineer for WiMax Maintenance  AMR (Automatic Meter Reading ) – GEDCo 2007 - Install main controller unit in low voltage feeds - Connect 1 phase and 3 phase digital meters to it - Signing meters to the controller - Install AMR system to HQ office server - Connect AMR system with controller unit using WiMax as private network with Eth. To Serial converter - Learn GEDCo Engineer to how work with AMR solution from end-to-end  VoIP Project – Fusion 2008 - Its internal work which need to deploy and configure the following : a. Cisco VoIP gateway for connecting PRI as Access Toll Free numbers and for Termination b. Genband SBC for switching between calling card platform and suppliers c. SipHive Verscom Broadband and calling card platform d. GSM gateways like HyperMedia for customers e. Quintum Tenor for termination and origination  IP-PBX – Fusion 2010 - Deploy and configure Digium Switchvox AA305 - Installing PRI card and configure it - Installing FXO card - Configure extensions , groups , templates , access control , IVR , music on hold , recording , time framing ,  less

    voip-administration network-administration asterisk cisco-voip network-security vmware-administration 3d-printing wireless-network-implementation 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 118 HOURS
    • PALESTINIAN TERRITORIES
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 3 TESTS
  • Asterisk Expert and System Administrator

    I work on IT more than 12 years. VOIP/Asterisk Developer, Expert System Administrator and Network Administrator, Perl Programmer. Generally, I develop solutions based on Asterisk and speech technologies (speech synthesis and speech recognition systems), complex IVRs, integration with external … more

    I work on IT more than 12 years. VOIP/Asterisk Developer, Expert System Administrator and Network Administrator, Perl Programmer. Generally, I develop solutions based on Asterisk and speech technologies (speech synthesis and speech recognition systems), complex IVRs, integration with external sources and databases, custom click-to-call and callback systems, etc. I prefer custom development for Asterisk and FreeSWITCH. Usually, I use Perl for development. I have huge experience in solutions based on Asterisk such as FreePBX, Elastix, Trixbox, vicidial, etc. Also I support critical 24x7 systems, administration networks and servers, perform IT consulting, etc.  less

    asterisk freepbx freeswitch trixbox elastix sip voip-administration vpn apache-administration mysql 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 10 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 10 TESTS
  • C++, C#.net, C, Asterisk, Salesforce, Python

    • Offer strong industry experience in real-time integrated systems and network programming • Proficient in multithreaded applications programming and Object Oriented programming • Strong problem solving and analysis skills to maintain and support mission critical assignments • Effective debugging, code refactoring and reverse engineering … more

    • Offer strong industry experience in real-time integrated systems and network programming • Proficient in multithreaded applications programming and Object Oriented programming • Strong problem solving and analysis skills to maintain and support mission critical assignments • Effective debugging, code refactoring and reverse engineering skills to support and develop ICT based applications of enterprise level • Familiar with various software development methodologies and life cycles  less

    c++ c# asterisk c salesforce-app-development python 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 36 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • VoIP & SMS Consultant - Very strong Linux, Java and Python skills

    Over the last years I have been feeling comfortable working remotely with LINUX servers via SSH sessions (text console), while managing ASTERISK, KANNEL (SMS Gateway) or writing WEB SERVICES scripts in both JAVA and PYTHON. I am skilled in many … more

    Over the last years I have been feeling comfortable working remotely with LINUX servers via SSH sessions (text console), while managing ASTERISK, KANNEL (SMS Gateway) or writing WEB SERVICES scripts in both JAVA and PYTHON. I am skilled in many technologies such as TOMCAT, JBOSS, CGI scripting, AGI, building IVR apps, VIRTUALBOX and others. My IDE? ECLIPSE & PyCHARM. I love finding solutions to very complex requirements; I feel I do this very well. Searching and trying new technologies that could be applied on each project is something I totally enjoy. I would like to be involved in a project requiring our team to do lot of research while developing pioneering products. If such project has good social impacts: much better! Improving quality of life for people around the globe using my tech skills would be a great aim.  less

    voip-administration voip-software asterisk sip python java mysql sql perl linux-system-administration unix-shell j2ee apache-tomcat java-servlets-development ssh sms sms-gateway smpp javascript jboss apache-administration glassfish microsoft-visual-basic devexpress c c++ virtualization vaadin-framework mvvm zk play-framework xml-web-services android-app-development ubuntu data-mining rackspace-cloudservers 00 more less
    • $30.00 HOURLY RATE
    • 4.5
    • 160 HOURS
    • NICARAGUA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
    ASSOCIATED WITH:
  • Senior Ruby on Rails Developer

    Hello, I'm web developer with more than 14 years of experience. Last 7 years I've been using Ruby (Ruby On Rails) and have developed wide range of web applications using Ruby on Rails. Have strong understanding of backen-end … more

    Hello, I'm web developer with more than 14 years of experience. Last 7 years I've been using Ruby (Ruby On Rails) and have developed wide range of web applications using Ruby on Rails. Have strong understanding of backen-end/front-end development. Experience in following technologies: ruby, javascript, coffeescript, jquery, mysql, postgresql, full-text search engines, deploying application, linux systems administration, high-load configuration. I'm seeking for front-end and back-end development and prefer complex advanced web applications.  less

    ruby ruby-on-rails postgresql mysql sphinx lucene-search bdd cucumber rspec redis javascript jquery prototypejs ajax facebook-api twitter-bootstrap html css haml php linux-system-administration nginx capistrano asterisk payment-gateway-integration ebay-api 00 more less
    • $35.00 HOURLY RATE
    • 4.7
    • 5861 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 2 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Systems Administrator

    I am a systems administrator living near San Antonio, Texas. Ever since I can remember I have been using a computer, I can say that this is something I love to do. I am a fast learner and I am … more

    I am a systems administrator living near San Antonio, Texas. Ever since I can remember I have been using a computer, I can say that this is something I love to do. I am a fast learner and I am always looking to learn more and experience new things . Over the last 5 years I have been working as a system administrator. I have worked closely with Linux and Windows, designing, implementing and maintaining web, e-mail, instant messaging, VoIP and content delivery solutions to mention a few, as well as remote access systems and Virtual Environments. Working at oDesk over the past 3 years has given me the opportunity to be exposed and to learn about a wide variety of systems and technologies. Experience: +12 years in Technical Support. Linux, Windows and MacOS systems. +5 years in remote technical support +5 years in Server Administration +4 years in cloud computing and virtual environments. +3 years in e-mail and cloud migrations. +3 years in voice and video delivery technologies. +1 years in remote radio station managing. Skills: --SharePoint Online configuration, administration and maintenance --Azure and Amazon Platforms Administrator --Office 365 Migrations --Virtual Environments design, configuration and administration (VMWare, Hyper-V, Oracle) --Content Delivery Solutions Design ---CCTV Internet Streaming --Analog/Digital signals conversion into internet streams. --VOD and LiveTV Streaming (VLC, Tvheadend, MythTV, XBMC) --Cloud computing --Microsoft Exchange Server Configuration/Migration (2003-2010 ) --Windows Server Administration (2003-2012) --Active Directory Management --Group Policy Management --Backup Technologies Administration --Security and Firewall configuration (Juniper, Astaro, Sonicwall) --Network design and deployment --Jabber/XMPP messaging server (Openfire) --Application Deployment --Linux Server Administration (CentOS, Ubuntu, Fedora, RedHat) --LAMP Environment installation and configuration --VoIP server installation and configuration (3CX, Asterisk, Elastix, FreePBX) --Kaseya (Agent/application deployment, procedures, remote support) --ConnectWise (3.8 GPA ) --Network troubleshooting --Linux packages installation (Apache, MySQL, Nagios) --Install, support and managing of Nagios deployments --Wireless Security Auditing (WEP, WPA, WPA2) --Network Monitoring --General Networking Skills --Internet security --Software Troubleshooting --Virus and spyware removal --Computer Tune-ups --iPhone, iPad and iPod Configuration/Troubleshooting --Android Expert  less

    technical-support computer-repair computer-assembly computer-networking customer-support phone-support chat-support helpdesk-support tcp-ip linux-system-administration windows-xp-administration windows-administration mac-os-app-development spanish portuguese translation-english-portuguese translation-portuguese-english advertising ftp dns wan nagios presentations ubuntu microsoft-exchange-server asterisk mysql apache-administration amazon-ec2 vmware-administration microsoft-active-directory mail-server-implementation ad-servers microsoft-small-business-server-administration 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 2760 HOURS
    • MEXICO
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 7 TESTS
  • Redefining technology horizons, Exploring new depths

    To work with a result-oriented company that seeks an ambitious and career conscious person, where acquired skills and education will be utilized towards continued growth and advancement.

    asterisk perl php mysql jquery wordpress wp-ecommerce socket-programming embedded-linux session-description-protocol sip a2billing codeigniter cakephp smarty vicidial voicexml c# 00 more less
    • $25.00 HOURLY RATE
    • 4.9
    • 1026 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 16 PORTFOLIO ITEMS
    • 0 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Linux Admin / Networking / VoIP / Scripting / Web development

    Non-comprehensive list of GNU/Linux skills: - Debian-based distros - bash scripting - TCP/IP (networking) - netfilter/iptables (firewalling) - OpenVPN (virtual private networks) - OpenSSL (certificate management) - apache/nginx (web services) - cron (scheduling) - dovecot IMAP/POP3 and postfix SMTP (email) - asterisk PBX (voice over … more

    Non-comprehensive list of GNU/Linux skills: - Debian-based distros - bash scripting - TCP/IP (networking) - netfilter/iptables (firewalling) - OpenVPN (virtual private networks) - OpenSSL (certificate management) - apache/nginx (web services) - cron (scheduling) - dovecot IMAP/POP3 and postfix SMTP (email) - asterisk PBX (voice over IP) - git (revision control) - syslog (advanced logging) - nagios, icinga, munin, monit (monitoring) - backuppc (backup) Non-comprehensive list of network management skills: - solid understanding of TCP/IP & Ethernet - monitoring tools - VLAN management - manageable switches in general - IGMP & IGMP snooping - OSPF & BGP routing protocols - GePON OLT & ONU equipment About me: Solid understanding of communication and web technologies is my primary area of interest and expertise. Over the last 7 years I've been a tech support for an ISP, a systems & network administrator and a web developer. As a network administrator for 2 years, I discovered what it means to maintain a large-scale MAN (Metropolitan Area Network), including internet access, setting up and managing IPTV streaming through IGMP and IGMP snooping techniques. I've setup BGP so the provider can have a backup route for his services. I'm falimiar with the nature of the technical issues that can occur and the different ways of handling and preventing them. I'm experienced in ethernet & GePON networking equipment. I've managed network equipment from most major vendors, Cisco, HP, DLink, Dell and Fundry, just to name a few. I've been working with Debian GNU/Linux professionally for 2 years as a systems administrator for a Bulgarian tourist resort and 2 years maintenance the services infrastructure (web, mail, vpn, samba, domain management, monitoring, ticket resolution systems, asterisk voip). I worked at a web development company for a year, doing back-end web development with different and frameworks, such as django, rails, express.js, along with infrastructure administration tasks and support. Languages: html5, bash, python, ruby, javascript Databases: mysql, postgres, mongodb Hobbies & interessts: - x86 assembler - system security forensics - electronics  less

    linux-system-administration ubuntu bash asterisk iptables network-planning network-security network-administration html5 javascript ruby ruby-on-rails tcp-ip git github nagios devops munin redmine ssl vpn openvpn postfix mail-server-implementation openvz haproxy amazon-ec2 virtualization freepbx 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 59 HOURS
    • BULGARIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 8 TESTS
    ASSOCIATED WITH:
  • 10Years-PHP/Java/Mysql/Perl/Js/Css/Ajax/Linux admin/C/Asp.Net/asterisk

    ● 10 years working experience including 6 years project managing experience. ● Currently working as a department director and project manager and having rich experience in development of system software and WEB system as well as various web application frameworks. ● Mastering various … more

    ● 10 years working experience including 6 years project managing experience. ● Currently working as a department director and project manager and having rich experience in development of system software and WEB system as well as various web application frameworks. ● Mastering various developing languages such as PHP, Java, C, Asp.NET, Obj-C, Perl, and VC++, etc. ● Be able to precede the development working on different platforms Linux, Windows, Mac, etc. ● Proficient in uClinux embedded development and iPhone program. ● Mastering various database such as Mysql Oracle Postgres, etc.  less

    mysql asterisk java perl php linux-system-administration c asp.net 00 more less
    • $13.33 HOURLY RATE
    • 5.0
    • 240 HOURS
    • CHINA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 10 TESTS
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