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OpenSIPS Job Cost Overview

Typical total cost of Upwork OpenSIPS projects based on completed and fixed-price jobs.

Upwork OpenSIPS Jobs Completed Quarterly

On average, 5 OpenSIPS projects are completed every quarter on Upwork.

5

Time to Complete Upwork OpenSIPS Jobs

Time needed to complete a OpenSIPS project on Upwork.

Average OpenSIPS Freelancer Feedback Score

OpenSIPS Upwork freelancers typically receive a client rating of 4.85.

4.85
Last updated: August 1, 2015

Popular OpenSIPS Searches

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  1. Gohar A.

    Gohar A.

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

    Canada - Last active: 4 days ago - Tests: 3 - Portfolio: 15

    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

    $60.00 /hr
    152 hours
    4.99
  2. Yuriy N.

    Yuriy N. Agency Contractor

    Freeswitch/Asterisk/OpenSIPS/Kamailio/Linux/Network/VoIP Enthusiast

    Russia - Last active: 09/05/2014 - Tests: 1 - Portfolio: 1

    Telecom Software and Network Engineer more than 6th years in companies - communication providers. I have extensive experience with deploying a complete infrastructure of voip provider, using OpenSource telephony technologies such as freeswitch, asterisk, OpenSIPS\Kamailio, kazoo, etc. Mostly I'm dealing with emerging startups or with small but accomplished voip companies which want to improve\reorganize their infrastructure; create something new or fix some issue on their network. So it is main area but sure I can help with other projects that correspond to my list of skills.

    Associated with: Nasida

    $40.00 /hr
    1,118 hours
    4.97
  3. Dmitry Sytchev

    Dmitry Sytchev

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

    Russia - Last active: 1 month ago - Tests: 7 - Portfolio: 1

    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.

    $33.33 /hr
    93 hours
    4.96
  4. Muhammad Sohaib

    Muhammad Sohaib

    VOIP Developer, Asterisk, A2billing, Freeswitch , AGI, IVR, PHP, MYSQL

    Pakistan - Last active: 11/02/2013 - Tests: 5

    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.

    $27.78 /hr
    249 hours
    4.95
  5. Thanh T.

    Thanh T.

    VOIP, Django developer

    Vietnam - Last active: 20 days ago - Tests: 2 - Portfolio: 2

    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.

    $18.89 /hr
    76 hours
    3.70
  6. mohammad kamruzzaman

    mohammad kamruzzaman Agency Contractor

    Full stack web developer and VoIP Engineer, FreeSWITCH, ASTPP,Kamailio

    Bangladesh - Last active: 2 days ago - Tests: 2 - Portfolio: 2

    i am a full stack web developer and server administrator (FreeSWITCH) i have experiences on Django (python), Codeigniter (php), MongoDB, ElasticSearch, postgres, redis, rabbitMQ, celery, mysql, nodejs. you can hire me if you need to implement a distributed VoIP enabled service based on freeswitch/kamailio that is ready to scale. i am also doing newfies-dialer customization and maintenance for a long while. and also i will take projects like PBX, IVR, autodialer development. i have open source project customization experiences, for example, FusionPBX,Newifes-dialer,Astpp,vBilling,kazoo, Kannel

    Groups: Twilio

    Associated with: DT software house

    $44.00 /hr
    2,780 hours
    4.68
  7. Muhammad Faheem

    Muhammad Faheem

    Asterisk ,OpenSIPS, FreePBX, VTigerCRM, Kannel, Perl, Python, PHP,XMPP

    Pakistan - Last active: 2 days ago - Tests: 3 - Portfolio: 3

    Over seven years of experience in designing complex telephony Systems using Asterisk, OpenSIPS and FreeSWITCH. - Implementation of OpenSIPS/Asterisk/Radius based telephony systems. - Implementation of various contact center solutions. - Google's Speech Recognition: text2voice and voice2text - vTigerCRM and Asterisk integration for callpopups. - Predictive dialer and progressive dialer. - Configuration of various TDM Gateways. - iOS/Android push messaging integration with OpenSIPS. - Realtime Rate web service for SIP Clients. Key Skills. Asterisk, OpenSIPS, FreeSWITCH, Kannel, FreePBX, Elastix, Genbend SIP Server, FreeRadius, Openfire XMPP. Perl, Python, PHP, Symfony

    $11.11 /hr
    13 hours
    5.00
  8. Aleksandr Ryzhov

    Aleksandr Ryzhov

    Software Engineer

    Ukraine - Last active: 4 days ago - Tests: 6 - Portfolio: 8

    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.

    $22.22 /hr
    691 hours
    4.82