OpenSIPS Freelancers

Showing 17 freelancers

OpenSIPS Freelancers

Showing 17 freelancers

  • Java/Perl/ Linux/Voip/Asterisk/Opensips

    Last 14 years I worked as Internet Provider admin, with linux and perl in Brazil. I worked for 2,5 years as Voip Engineer with asterisk, openser and opensips in Australia. Worked for 1,5 years in Japan with Flex … more

    Last 14 years I worked as Internet Provider admin, with linux and perl in Brazil. I worked for 2,5 years as Voip Engineer with asterisk, openser and opensips in Australia. Worked for 1,5 years in Japan with Flex, now, I'm back to my home in Brazil, with my family working with Flex and Java at my new company a00s.com. We make software ERP to manage money and accounting for business companies. At my free time I like to discovery things by programing, some times with stock markets, some times like now, looking for math formula for prime numbers. I'm looking for some freelance job to increase my incomming, Once I want to go again to japan in this 2013.  less

    perl asterisk opensips java 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 418 HOURS
    • BRAZIL
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
  • VoIP & Web Developer

    Best Service, Best time, Best choice I am a VOIP developer with more than 3 years. I have worked on many opensource like Asterisk, Kamailio, Freeswitch ... I have create many system voicemail, call center, sms from small to huge. I … more

    Best Service, Best time, Best choice I am a VOIP developer with more than 3 years. I have worked on many opensource like Asterisk, Kamailio, Freeswitch ... I have create many system voicemail, call center, sms from small to huge. I have using many API to VOIP prject like Tropo, Plivo, Twilio, Vitelity ... I also a web developer with strog skills in PHP, Python, Java, .Net ... I have used many frame work like Wordpress, Magento, Django, Codeigniter...  less

    asterisk python c++ django-framework openvbx freepbx opensips twilio-api tropo c php tcp-ip wordpress voip-software voip-administration 00 more less
    • $15.00 HOURLY RATE
    • 4.8
    • 307 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
    GROUPS:
  • Asterisk/voip/a2billing/freepbx/kamailio expert

    My time is my value. So when you choosing me you can expect that job will be done in short terms and perfect. I not like to do something that not need be done, i prefer use developed components and … more

    My time is my value. So when you choosing me you can expect that job will be done in short terms and perfect. I not like to do something that not need be done, i prefer use developed components and solutions. That not mean i can't do development. I working with different programing tasks for last 26 years. yes, from 6 y.o. I live in it. So i prefer do something new&interesting; I can handle all tasks from linux administration/virtualization upto end-user web for voip. Only task i never do - graphical design part. That is not my field, better hire someone else for design. I have university degree, working with asterisk from start of this project. Have developing experience with freepbx/trixbox&a2billing. I am one of contributor of a2billing.org trunk. Also i can work as mysql/postgres DBA, database architect, has experience with following languages: Perl Python PHP C/C++ Javascript SQL Prolog/Lisp,Forth. In voip i can work with callweaver, asterisk, opensips, kamailio. Developed modules for freepbx, elastix, trixbox, a2billing.  less

    asterisk opensips a2billing freepbx virtualization linux-system-administration sql amazon-ec2 mysql sip trixbox elastix perl c++ python php css html xml windows-administration postgresql paypal-integration centos openvz xen-hypervisor 00 more less
    • $67.77 HOURLY RATE
    • 5.0
    • 444 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 6 TESTS
    ASSOCIATED WITH:
  • VOIP and Open Source Professional

    Asterisk/Kamailio/Elastix/FreePBX/Trixbox/Vicidial Professional. Worked on numerous projects on open source deployments like asterisk / kamailio (openser) based voip solutions, networking solutions like firewalls, utms, routers ( cisco/juniper) configuration with vlans, mail servers, web servers in the past … more

    Asterisk/Kamailio/Elastix/FreePBX/Trixbox/Vicidial Professional. Worked on numerous projects on open source deployments like asterisk / kamailio (openser) based voip solutions, networking solutions like firewalls, utms, routers ( cisco/juniper) configuration with vlans, mail servers, web servers in the past 7 years. Apart from this worked on joomla components, opencart customisations/ deployments, Emailer softwares like Interspire, Amazon Web Services, etc. Other work areas are Network designing/troubleshooting/security using open source tools like iptables/iproute for bandwidth management/ firewalling, vpn solutions like openvpn, ipsec tunnels, pptp vpn deployments.  less

    linux-system-administration mail-server-implementation openvpn firewalls joomla amazon-web-services email-marketing asterisk freepbx vicidial opensips network-administration cisco-routers 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 17 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
  • Delphi,Web.NET, PHP, RoR, C/C++, Android, IOS, VoIp, OpenCV

    - I am programmer with over 15 years experience work in area IT software, Web development and Security network (All platform OS Window/Linux/MacOSX) - I am strong coding with languages programming (C/C++, Objective C, Java, Delphi/Pascal, Php/Perl … more

    - I am programmer with over 15 years experience work in area IT software, Web development and Security network (All platform OS Window/Linux/MacOSX) - I am strong coding with languages programming (C/C++, Objective C, Java, Delphi/Pascal, Php/Perl/Python/Ruby, Javascript/Applescript/Shell script, C#/VB.NET. - Delphi Programming: (Component, RemoteObject, Fastreport, Report Builder, Raise report, dbExpress, dataSnap, network, Firemonkey, crossplatform IOS, MacOSX, Window) - GIT/SVN in tracking and manage source code - Developing and using well with frameworks, opensource from .net, WinSDK, Linux SDK, IOS SDK, Social API(facebook, google, dropbox..etc), OpenCV, Forge, Image Processing, DSP, OCR, gstream, phonegap, - Web developement: Php, ruby, python, perl, NodeJS. Framework: joomla, wordpress, yii, Zend, drupal, SugarCRM, vTigerCRM,,,..etc. - Mobile/Smart device and Embedded development: Android, Linux Embedded, IOS, Window Mobile Embedded, Window Phone - IDE and tools programming(Visual Studio, Delphi IDE - all version, eclipse, Qt Creator, Netbean - Database programming: MS SQL(2000,2008, 2012), MySQL, MongoDB, NoSQL, BigData, postgreSQL, Firebird, Oracle - VoIP development: Asterisk, Softphone, WebRTC, Freeswitch, OpenSips, Elastix, FreePBX, A2Billing, XMPP, OpenFire, Call Center I joined to developing and completed many large project. i will show to you all previous my works.  less

    c++ pascal java c# .net-framework delphi android-app-development sip php javascript ajax html xhtml xml wordpress joomla drupal prestashop asterisk iphone-app-development computer-networking opengl opengl-es website-development linq linq-to-sql windows-administration database-management data-analysis mysql sql postgresql firewalls oracle-database crystal-reports jquery mootools google-app-engine amazon-ec2 facebook-api amazon-web-services windows-phone-7-development ios-development windows-app-development linux-system-administration windows-phone opencv opensips freeswitch windows-azure mac-os-app-development objective-c 00 more less
    • $15.56 HOURLY RATE
    • 4.9
    • 4421 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 17 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Software Engineer

    Design and implementation software for any kind of web applications with strong skills: php object oriented method for backend part (Symfony2 framework), database structure design for ORM, ODM like Doctrine2, RDBMS like PostgreSQL, MySQL, Document DB like MongoDB. A lot … more

    Design and implementation software for any kind of web applications with strong skills: php object oriented method for backend part (Symfony2 framework), database structure design for ORM, ODM like Doctrine2, RDBMS like PostgreSQL, MySQL, Document DB like MongoDB. A lot of experience in frontend software development on JavaScript with jQuery and Angular library. Use only Linux platform for development, prefer GIT as control version system. And more other skills in computer science like bash, perl scripts, java general purpose programming, VoIP technology and others. Clean code and self advance as higher target for me.  less

    php symfony jquery postgresql mysql html5 lamp-administration mongodb doctrine-orm css github opensips asterisk bash perl java 00 more less
    • $33.33 HOURLY RATE
    • 4.8
    • 615 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 5 TESTS
  • VoIP/Asterisk specialist

    My target research area is Open Source VoIP systems, mainly based on Asterisk. I have expertise in ViciDIAL, FreePBX, A2Billing systems, VoIP distros like TrixBOX, Elastix, AstLinux. In 5 years I have developed systems like pre-paid systems, callback, outbound dialers … more

    My target research area is Open Source VoIP systems, mainly based on Asterisk. I have expertise in ViciDIAL, FreePBX, A2Billing systems, VoIP distros like TrixBOX, Elastix, AstLinux. In 5 years I have developed systems like pre-paid systems, callback, outbound dialers, contributed number of patches to Asterisk project. I have experience in SQL, Ajax, Python. Interested in deep studying Ruby(Adhearsion), Python, FreeSWITCH, Kamailio.VoIP protocols: SIP, MRCP, ISDN BRI, E1 (PRI/SS7/R2), IAX2, RTSP, RTP, RTCP  less

    asterisk sip php mysql freeswitch opensips linux-system-administration javascript css voicexml c++ 00 more less
    • $44.44 HOURLY RATE
    • 4.8
    • 176 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • Technical Architect Java, J2EE, SIP Web RTC

    Over the last 12 years, I have worked extensively on Java/J2ee projects for prestigious clients in telecom and banking domain My passion towards the designing, programming and coding, lead me to the Odesk , a platform where I can put … more

    Over the last 12 years, I have worked extensively on Java/J2ee projects for prestigious clients in telecom and banking domain My passion towards the designing, programming and coding, lead me to the Odesk , a platform where I can put my knowledge, experience, passion together and deliver my best in professional and timely manner My core expertise lies in : Java/J2ee LinkedIn, Highrise, Foursquare API Integration OAuth Intergration SIP WebRTC BigBluebutton red5, freeswitch, Big Blue Button Type safe stack (Play!, Akka, Cassandra) Twitter Bootstrap Weblogic / Websphere Web Solutions (JSP/Struts/Servlets/XML/Web Services/JavaScript/HTML5) Android Development Coding Standards and Best Practices  less

    java j2ee sip jbpm linkedin-api jsp android-app-development cassandra foursquare-api oauth java-servlets-development weblogic amazon-web-services node.js ajax jmeter opensips xml core-java xml-web-services play-framework twitter-bootstrap 00 more less
    • $38.89 HOURLY RATE
    • 4.6
    • 286 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Network and Software developer

    I'm an independent network, software and web developer, I have consequent experience in LAN/WAN protocol's configuration (Cisco, OneAccess) and development, I worked also on setting up and configuring IPTV and VoIP platforms, I developed many WEB architecture … more

    I'm an independent network, software and web developer, I have consequent experience in LAN/WAN protocol's configuration (Cisco, OneAccess) and development, I worked also on setting up and configuring IPTV and VoIP platforms, I developed many WEB architecture using J2EE and Ruby On Rails technologies. My goals through oDesk is to create a trust based network of clients with whom, I can have a long term relationship developing solutions that best suit their needs.  less

    c++ java j2ee tcp-ip linux-system-administration cisco-routers cisco-ios python ruby-on-rails ruby apache-tomcat radius mysql oracle-database sqlite c nagios centreon eclipse vxworks kerberos vpn unix-shell xml xaml c# jsf spring-framework hibernate svn maven virtualization opensips sip xmpp apache-struts paypal-integration 00 more less
    • $22.22 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 371 HOURS
    • MOROCCO
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • senior developer c/c++, android embeded, linux kernel.

    With more than 5 years working experience in Software Development and most of the time working with C,C++ technologies, I have gained a certain professionalism level as a Senior C,C++ Developer: • Intensive programming experience using STL: container, algorithm … more

    With more than 5 years working experience in Software Development and most of the time working with C,C++ technologies, I have gained a certain professionalism level as a Senior C,C++ Developer: • Intensive programming experience using STL: container, algorithm, iterator, smartpointer. BOOST: regex, filesystem, boost::bind, boost::datetime, QT, GTK, … • Strong skill set and experience using open sources frameworks: STLport, Xerces, Santuario, CryptoPP, Xalan, CURL, Pjsip, OpenMGCP, Quagga, OPENSNMP, • Good skills and experience in protocol and reading RFC like, SIP, MGCP, RTP, RTCP, XMPP, SNMP, … • Good skills and experience in programming with posix, multithreading, mutex, condition variable, thread barrier, … • Good skills with programming in linux kernel. Development linux module, netfilter, … • Good skills and experience in system analysis, system designing and performance tuning • Strong skill set and experience using development tools: VIM, ctags, cscope, VISUAL STUDIO, Eclipse, Makefile • Strong skill in VOIP, SIP, XMPP, MGCP, jabberd2, MEGACO, • Good experience with native SDK Blackberry, Native SDK Android. • Good experience in working and managing application and web servers: Apache, Tomcat. Experience in developing Apache module. • Good experience in working with databases: Oracle, MS SQL, My SQL, SQLITE  less

    c c++ linux-system-administration embedded-linux sip boost stl curl apache-administration xml soap qt asterisk mysql freepbx opensips svn agile-software-development github python perl unix-shell blackberry-app-development zend-framework php opencv 00 more less
    • $16.67 HOURLY RATE
    • 2.8
    • 574 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
    ASSOCIATED WITH:
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