OpenSIPS Freelancers

Showing 19 freelancers

OpenSIPS Freelancers

Showing 19 freelancers

Browse Opensips job posts for project examples or post your job on oDesk for free!

Opensips Job Cost Overview

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

oDesk Opensips Jobs Completed Quarterly

On average, 4 Opensips projects are completed every quarter on oDesk.

4

Time to Complete oDesk Opensips Jobs

Time needed to complete a Opensips project on oDesk.

Average Opensips Freelancer Feedback Score

Opensips oDesk freelancers typically receive a client rating of 4.93.

4.93

Last updated: March 1, 2015

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

    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 … more

    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.  less

    voip-administration voip-software cisco-routers asterisk freeswitch opensips mysql php angularjs node.js 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 80 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • VoIP,SIP,Asterisk,FreeSwitch,Opensips,Kamailio, Linux,MySQL,PHP,Apache

    Over the last 4 years, I have developed a wide range of IT solutions including VoIP, Web and Mobile development for small businesses and startup companies as well as for large companies. I have experience in VoIP, FreeSwitch, Opensips, Kamailio … more

    Over the last 4 years, I have developed a wide range of IT solutions including VoIP, Web and Mobile development for small businesses and startup companies as well as for large companies. I have experience in VoIP, FreeSwitch, Opensips, Kamailio, Asterisk, FreePBX, A2billing, Linux, Opensource Consulting, MySQL, PHP, Joomla, Android, asp.net-mvc, c#, .net-framwork etc. I have developed class4-class5 Soft Switches, SIP Proxy, FAX Servers, Fax2mail, Fax over IP, Messaging Servers, Session Border Controllers, IVR application, Web Applications and many others. My core competency lies in complete end to end IT solutions for VoIP, Web and Mobile technologies.  less

    voip-administration voip-software sip opensips asterisk freeswitch php radius android-app-development joomla mysql phpmyadmin website-development html html5 javascript jquery css css3 asp asp.net asp.net-mvc c# .net-framework 00 more less
    • $20.00 HOURLY RATE
    • 4.6
    • 1307 HOURS
    • INDIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 6 TESTS
  • Delphi / PHP / Joomla / Wordpress Architect

    i have 14 years of experience in applications development I have strong knowledge in following domains Application Development / Web Application and Designing / Linux and Windows Server administration and configuration

    delphi php mysql postgresql asp linux-system-administration asterisk mail-server-implementation vpn cisco-routers website-development adobe-photoshop adobe-dreamweaver centos wordpress web-design css3 ajax rss pascal object-pascal joomla web-scraping rest xml weberp erp crm opensips dns dhcp cisco-pix openvpn iptables squid asp.net paypal-integration payment-gateway-integration facebook-api authorize.net drupal magento a2billing zend-framework zencart payment-processing paypal-api 00 more less
    • $20.00 HOURLY RATE
    • 4.8
    • 11 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • VOIP Developer, Asterisk, A2billing, Freeswitch , AGI, IVR, PHP, MYSQL

    I have more than 5 years of experience with different tools of VoIP Especially Asterisk. I got hands on experience of Asterisk, Click2Call, Callback, A2billing, Vicidial and AGI custom script writing, IVR development using PHP, Mysql. I have the ability … more

    I have more than 5 years of experience with different tools of VoIP Especially Asterisk. I got hands on experience of Asterisk, Click2Call, Callback, A2billing, Vicidial and AGI custom script writing, IVR development using PHP, Mysql. I have the ability to learn new technologies through the use of self-study materials and intuition. I pay close attention to details while performing technically detailed tasks. I have reasonable experience with: - Asterisk distinctive Dial Plans and IVR - A2billing customization and Redesign - Asterisk Integration with Web Applications and CRM. - IVR development - AGI script writing - VICIDIAL a predictive and auto dialer redesign and customization - FreePBX and Trixbox for small office/home offices I have been working in a challenging and competitive environment where I practically applied and improved my technical knowledge & experience acquired from my education & career, concurrently groom my personality by working in a team of competent individuals.  less

    asterisk php mysql a2billing vicidial opensips 00 more less
    • $27.78 HOURLY RATE
    • 4.9
    • 264 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Android iOS iPhone iPad Php WebServices Zend CodeIgniter WordPress

    Greetings...!! I have been a professional developer for over nine years, and am very familiar with iOS Development, Android Development, JSON, PHP, Web Services, JAVA, MySQL, & PhoneGap. During my 9+ years of career, I managed a team of 18-20 Developers … more

    Greetings...!! I have been a professional developer for over nine years, and am very familiar with iOS Development, Android Development, JSON, PHP, Web Services, JAVA, MySQL, & PhoneGap. During my 9+ years of career, I managed a team of 18-20 Developers & deployed 100+ Web, Mobile, VoIP & Enterprise Solution. You can see some of our work in my portfolio. ≻ Enterprise Apps ≻ 2D/3D Games ≻ VoIP Apps ≻ Entertainment Apps ≻ Educational Apps ≻ Business Apps ≻ GPS Navigation ≻ Lifestyle Apps ≻ Healthcare Apps ≻ Social Media Apps ≻ Networking Apps ≻ TravelBooks Apps ≻ Game Re skin ≻ AppStore Uploading ≻ In-App Purchases To create a successful & bug free App I have realized one thing that is very important about Software Development but its ignored in Freelance World i.e Project Management skills are as important as Development Skills and I think me and my team are perfect balance to do it. We have integrated many API with Android/iOS Apps as follow ≻ QR Code/Bar Code Scanner ≻ GEO Location. ≻ Web Service Integration ≻ Image Edit API ≻ VoIP/SIP Api ≻ JSON Parsing “Your One Stop Solution for All Your Mobile App Development Requirement. From App Blueprint to Publishing it on App Store. We Do it All..!!”. Please have a look at our company portfolio :- http://www.magnatesmobileapps.com/portfolio/ Thanks for giving your time to read my profile.I look forward to speak with you about your exciting project & a fruitful business relationship ahead. Manish Tahiliyani  less

    php asterisk freebsd freeswitch ios-development jquery-mobile windows-phone sip opensips liferay drupal wordpress custom-cms voip-administration freepbx voip-software iphone-ui-design iphone-app-development apple-xcode apple-webobjects apple-uikit-framework a2billing vicidial ipad-app-development ipad-ui-design android-app-development mobile-app-development 00 more less
    • $22.22 HOURLY RATE
    • 4.8
    • 65 HOURS
    • INDIA
    • LAST ACTIVE
    • 48 PORTFOLIO ITEMS
    • 7 TESTS
    ASSOCIATED WITH:
  • VoIP Administration & Development

    I am focused in VoIP field only and I have been working here for more than 8 years. My Area of experiences: VoIP -Asterisk PBX: Full proficiency -FreeSWITCH: Full proficiency -Yate: Full proficiency -Strong knowlege of SIP protocol and SIP … more

    I am focused in VoIP field only and I have been working here for more than 8 years. My Area of experiences: VoIP -Asterisk PBX: Full proficiency -FreeSWITCH: Full proficiency -Yate: Full proficiency -Strong knowlege of SIP protocol and SIP routers/proxy servers -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVR and Auto Attendant Development -Secure VoIP: TLS, SRTP, ZRTP SQL -MySQL/PostgreSQL - design, maintenance and optimization of databases -NoSQL: MongoDB Various Billing solutions and GUI: -A2Billing: Full proficiency (configuration from scratch, customization) -CDRTool (prepaid billing/accounting and sip tracing for OpenSIPS using RADIUS) -CDR-Stats (call detailed statistic/realtime for Asterisk and FreeSWITCH) -vBilling (billing for FreeSWITCH) -FreePBX: GUI for Asterisk -Fusionpbx: GUI for FreeSWITCH I have successfully completed large amount of commercial installations of VoIP PBX servers. From SOHO to Enterprise deployment including integration of various VoIP solutions into existing network environment. I also have experience in building of secure "bastion" VoIP/Linux servers. Terms: Hourly based projects: -Current hourly rate is $40. Fix price projects: -Fixed price projects are calculated based on the hourly rate and expected task complexity. -For all fixed price projects complete project specification with clear tasks description is required -For all fix price projects work will be started only after payment has been escrowed and both parties have agreed with working terms.  less

    asterisk freeswitch opensips sip a2billing freepbx php html mysql postgresql linux-system-administration sql network-administration bash-shell-scripting voip-administration voip-software 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 98 HOURS
    • BULGARIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 2 TESTS
  • 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
  • Telecom Engineer | VoIP Network Engineer | FreeSWITCH developer

    I am a Telecom Engineer and Network Administrator with extensive experience in designing, implementing and maintaining mission critical network based systems. I worked for Cisco TAC for a little over 4 years providing high level technical support for Cisco Systems … more

    I am a Telecom Engineer and Network Administrator with extensive experience in designing, implementing and maintaining mission critical network based systems. I worked for Cisco TAC for a little over 4 years providing high level technical support for Cisco Systems customers worldwide, diagnosing and resolving complex issues in small and large scale converged VoIP networks. My years of experience with multidisciplinary groups, and diverse network based equipment, using debugging tools and lab simulations have consistently trained my analytical skills and given me the required background to understand how systems work and therefore be able to provide solid recommendations and identify solutions that meet customer's needs. I am passionate about developing robust, scalable, distributable and fault tolerant communication systems and applications using the Erlang programming language. Programming proficiency in Erlang and Ruby.  less

    freeswitch opensips 00 more less
    • $38.89 HOURLY RATE
    • 5.0
    • 130 HOURS
    • COSTA RICA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Programmer,PHP,MySQL,AJAX, Jquery, C, C++, VoIP, FreeSwitch, Asterisk

    Over 10 years experience in Telecom (Prepaid/Postpaid Billing, Mediation, Rating, Switching, Routing, VAS, OCS, SMPP), Mediation Specialist, Programming (C/C++, PHP, JAVA, Perl, HTML, QT, AGI Script, Jquery etc), PHP Framework (coordinator, YII, Cake PHP, Joomla, Wordpress etc ) Database … more

    Over 10 years experience in Telecom (Prepaid/Postpaid Billing, Mediation, Rating, Switching, Routing, VAS, OCS, SMPP), Mediation Specialist, Programming (C/C++, PHP, JAVA, Perl, HTML, QT, AGI Script, Jquery etc), PHP Framework (coordinator, YII, Cake PHP, Joomla, Wordpress etc ) Database (MySQL, Oracle, MSSQL), Networking, Vendor Soft-Switch (Huwaie Softx3000, Telco Bridge, SanSay etc) and Open source application (Asterisk, Free Switch, A2billing, PBX Souction, Call Center Soluction, OpenSIP, E-Commerce etc). I have also great experience in Programming (PHP, MySQL, Oracle, C/C++, QT, J2ME, PHP, MySQL, HTML, AJAX, XML, KML, VXML,CGI, AGI Script, Java) I have done more than 1000 Web base projects which is more powerful application. Working Tools: C/C++, QT, J2ME, PHP, MySQL, HTML, AJAX, XML, KML, VXML,CGI, AGI Script, Asterisk, Free Switch, VOIP Switch, A2Billing, Open Source Telcom Billing application, open source CMS, Wordpress, Joomla, Dorpal, Linux/Win Server etc.  less

    asterisk php mysql ajax qt codeigniter javascript jquery html freeswitch opensips voip-administration voip-software linux-system-administration 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 0 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 2 TESTS
  • 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
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