OpenSIPS Freelancers

Showing 29 freelancers

OpenSIPS Freelancers

Showing 29 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

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

    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 … more

    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  less

    sip asterisk linux-system-administration freeswitch opensips 00 more less
    • $60.00 HOURLY RATE
    • 5.0
    • 152 HOURS
    • CANADA
    • LAST ACTIVE
    • 15 PORTFOLIO ITEMS
    • 3 TESTS
  • Software Architect and Developer

    I have been developing Asterisk based telephony systems for more then 8 years and have very extensive, more than 18 years, Linux development experience. I have provided Asterisk and OpenSIPS cloud based solutions that comprise both back and front-end components … more

    I have been developing Asterisk based telephony systems for more then 8 years and have very extensive, more than 18 years, Linux development experience. I have provided Asterisk and OpenSIPS cloud based solutions that comprise both back and front-end components and include complex dial-plans, IVRs and AGI scripts, in the following areas: - Hosted PBX applications - Conference bridge applications - Call Center applications - Intelligent Telephony load and stress test applications - Asterisk ARI - Asterisk WebRTC - REST API, OAuth 2.0 I have designed and developed Asterisk based Call Center system that is running on the AWS EC2 instances. This system is successfully integrated with the following platforms: - Proprietary CRMs - vTiger - Bigcommerce - Shopify - Nation Builder - NGP VAN I have very extensive customer support experience and good at writing user guides and developer API documentations. In addition I have a Project Management certificate.  less

    c php asterisk html javascript linux-system-administration amazon-ec2 opensips mysql ssl 00 more less
    • $38.89 HOURLY RATE
    • 5.0
    • 542 HOURS
    • CANADA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • 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
  • Igor Pavlov

    Hi, My name is Igor Pavlov. I am working with VoIP technologies since 2008. From 2013, I'm partially working in cloud PBX project (developing core based on OpenSIPS with load-balancing between asterisks). I have a Bachelors in Radio Engineering … more

    Hi, My name is Igor Pavlov. I am working with VoIP technologies since 2008. From 2013, I'm partially working in cloud PBX project (developing core based on OpenSIPS with load-balancing between asterisks). I have a Bachelors in Radio Engineering from Izhevsk State Technical University, in Russia. Listed below are my experience and skills: - Kamailio/OpenSIPS: rtpproxy, dispatcher, dialog, htable, auth_db; - Asterisk: AGI (php, bash), AEL, AMI, CDR, DB (MySQL), faxes (fax2mail), IVR, SIP/IAX/E1(EDSS), dahdi; - GUI: FreePBX, Trixbox, Elastix; - OS: Debian, CentOS; - Linux Administration: firewall, routing, vpn; - Cisco Switches and Routers configuration (CCNA level); Thank you in advance for your time and consideration.  less

    voip-administration linux-system-administration asterisk opensips cisco-ios sip debian-os 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 9 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 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
    • $25.00 HOURLY RATE
    • 4.6
    • 1367 HOURS
    • INDIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 6 TESTS
  • 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
  • VoIP Engineer

    I have 8 years of experience with VoIP. Troubleshooting of networks, VoIP networks and unix servers. SIP, MGCP, Linux Asterisk Opensips Vicidial goautodial Call centers setup VPS

    asterisk opensips vicidial voip-software sip network-administration call-center-management software-debugging perl linux-system-administration unix-system-administration technical-support technical-analysis 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 6 HOURS
    • PORTUGAL
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • 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
    • 4.7
    • 4675 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 17 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Network Security Expert

    Infrastructure systems Engineer with almost 5 years of experience in the IT Field. Solid skills in complex infrastructure administration with good experience in scoping, project management and technical documentation. I have a keen interest in Information Security and opensource solutions … more

    Infrastructure systems Engineer with almost 5 years of experience in the IT Field. Solid skills in complex infrastructure administration with good experience in scoping, project management and technical documentation. I have a keen interest in Information Security and opensource solutions. Specialties: Messaging &Collaboration Infrastructure (Office 365, Exchange server 2013/2010, Lync server 2010/2013). Security (RSA, SELinux, IPTables, Snort, Barnyard, Squid). Cloud Solutions (VMware, vSphere ,Hyper-v, Server visualization). Identity and Access Management Solution (ADFS). Management Solutions (SCVMM, SCDPM). Auditing solutions (SIEM, CISA). Storage: (Netapp, Snap-manager). Networking Infrastructure (Cisco Switches, access points and router, Juniper Firewalls, Sonus). Project Management: (PMP). Platforms: (Windows server, Linux Red Hat and fedora, Apple IOS, Cisco IOS, Juniper Junos) IT Support: (Desktops, Network printers, network devices, gateways, Servers, software, Group policies, mailbox).  less

    ccnp jncia-junos microsoft-certified-information-technology-professional-mcitp project-management-professional microsoft-lync-server microsoft-exchange-server ms-office-365 opensips ssl ipsec 00 more less
    • $15.00 HOURLY RATE
    • 3.6
    • 5 HOURS
    • UNITED ARAB EMIRATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
    ASSOCIATED WITH:
  • 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
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