OpenSIPS Freelancers

Showing 60 freelancers

OpenSIPS Freelancers

Showing 60 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 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
    • 148 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
    • 540 HOURS
    • CANADA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Senior Software Engineer

    I currently work on Linux based Home Automation and ToIP Appliances. My experience ranges from JAVA/PHP/C applications design and development to Networking and Telecommunication systems design/development and operations management. I've spent about 5 years of my … more

    I currently work on Linux based Home Automation and ToIP Appliances. My experience ranges from JAVA/PHP/C applications design and development to Networking and Telecommunication systems design/development and operations management. I've spent about 5 years of my working time designing and implementing Asterisk and OpenSIPS based ToIP solutions for a wide spectrum of scenarios from SOHO to VoIP Carriers (http://www.mywatson.it) and Call Centers of different scales. I've also written a lot of customized AGI applications (JAVA, PHP, BASH, PERL) to deliver specific services or to integrate with customers' CRMs or other kinds of Enterprise Systems.  less

    java php c linux-system-administration asterisk opensips ubuntu bash-shell-scripting mysql sqlite 00 more less
    • $38.89 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • ITALY
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • VOIP, Django developer

    I have more than 5 years experience in VOIP, as a system administrator, and a Django developer. I have done many projects relate to VOIP. I have developed some web conference, Web Portal, Commercial for VOIP service. Hosted PBX. I … more

    I have more than 5 years experience in VOIP, as a system administrator, and a Django developer. I have done many projects relate to VOIP. I have developed some web conference, Web Portal, Commercial for VOIP service. Hosted PBX. I am very familiar with Asterisk, FreePBX, Freeswitch, FusionPBX, Kamailio, Siremis, Elastix, OpenFire, Trixbox, VICIdial, Newfies Dialer. I am very hard working and have strong knowledge in these technologies.  less

    asterisk voip-software voip-administration php django-framework python elastix vicidial opensips 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 59 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
  • 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
    • NO FEEDBACK GIVEN
    • 3 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
  • 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
  • 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
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