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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, 3 OpenSIPS projects are completed every quarter on Upwork.


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 4.87.

Last updated: October 1, 2015

Popular OpenSIPS Searches

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George M.

George M.

Expert in VOIP, expierenced in Asterisk,webrtc2sip,sipml5, MVTS,jquery

Ukraine - Tests: 6 - Portfolio: 9

My web site is: I am creating turn-key VOIP platforms for online bussines with WEB-site, different billings, rates setup, VOIP dialers, mobile dialers, DIDx provider integration, paypal online payments for Calling card business, DID and other. I have experience in Asterisk, Sysmaster/VoiceMaster brands ( Demo:, ( ask me for test PIN ) My video lessons: Also, I had big expierence with Nextone(, Asterisk, freeswitch, iTelBilling, iTelByteSaver, iTelSwitch, Billbery, Alepo, MVTS, a2billing, freepbx, opensips, kamalio, PHP programming (php-agi, css, jquery), Linux advanced administration, kernel, bash, perl, SQL database architecture: Mysql, MSSQL, Sybase, SQLite, PostgreSQL, Cacti, MRTG, RRD, WHMCS customization, system Backup/Restore schemes. Also I install everything which is needed for business - mail exchange servers (Zimbra, Zarafa, Roundcube Webmail), Ticketing CMS (WHMCS) and write custom modules for each.

62% Job Success
$25.00 /hr
8 hours

Yuriy N.

Yuriy N. Agency Contractor

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

Russia - 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

100% Job Success
$40.00 /hr
1,118 hours

Abdelghafour H.

Abdelghafour H. Agency Contractor

Software developer

Morocco - Tests: 4

I'm a network, software developer, I have consequent experience in LAN/WAN protocol's configuration, I worked also on setting up and configuring IPTV and VoIP platforms, I developed many WEB architecture using J2EE, Ruby On Rails, Python Django and NodeJS. My goals through upwork 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.

Associated with: Teliteck

100% Job Success
$33.33 /hr
1,364 hours

Beenish Saleemi

Beenish Saleemi

VoIP/IMS ,BPM/, RIA Application Developer

Pakistan - Tests: 7 - Portfolio: 2

I am a professional services provider, I have expertise in BPM based enterprise web2.0 solutions. My expertise varies from small enterprise products design to most scalable highly available solutions. having past 7 year experience in enterprise wide products, developing solutions and as a architect level performance.I have good grip for designing advance technology solutions for complex problems. Also have expertise in Java,.net C#, Perl, PHP and javascript and have experience in following protocols: SIP, Diameter, RADIUS, XMPP. industry standard BPMN2.0. I can add up enterprise level solutions to product to add in latest solutions. Opensouce projects : JBPM, JBOSS FUSE, Mobicents Jainslee, Asterisk, opensips, freeradius, Kurento WebRTC server, openfire etc. I can offer the services from small project to enterprise level project.

$10.00 /hr
1 hours

Piyush Jain

Piyush Jain Agency Contractor

iOS, Android, Mobile, HTML5, Javascript, Angular

United States - Portfolio: 41

SIMpalm is a team of developers and designers in Washington DC area with extensive experience in mobile app and responsive web development. We have developers with iOS, Android, HTML5, Bootstrap, Angular JS, Javascript, Titanium, Phonegap, PHP, .Net, Parse, Amazon and Windows Azure experience. We also have designer in our team who can create the perfect wireframes and Graphical UI for your project before starting the development. We have delivered more than 250 projects in mobile and web domain in last six years. We have developed several applications for startups, financial, healthcare, automation, bluetooth integration, entertainment, education, productivity, emerging technology, B2B and B2B verticals. We would fully understand your project before starting working on it.

Associated with: SIMpalm

83% Job Success
$32.00 /hr
0 hours

Malay Patel

Malay Patel

VoIP/SIP, PHP Yii, MySQL Administration & Development

India - Tests: 7 - Portfolio: 3

Over the last couple of years, I have developed a wide range of IT solutions including VoIP, Web and Mobile development for small businesses and start-up companies as well as for large enterprises. Following are my area of experiences: -VoIP, SIP -FreeSwitch, ASTPP -Opensips -Kamailio -WebRTC -RTPproxy, RTPengine -Asterisk, FreePBX, A2billing -Linux & Opensource Consulting -MySQL, PHP, Wordpress, Apache -Android I provide following services: - Development of custom VoIP solutions with ongoing support - VoIP networks/projects: development and optimization - High Availability and Scalability solutions for VoIP networks. - VoIP Security and Hacker protection solutions. I provide following solutions: -High scalable Least Cost Routing(LCR) with Fail-Over -Session Border Controller(SBC) -Click to call -Class4 & Class5 Soft Switches -SIP Proxy Server, SIP Messaging Server, SIP Redirect Server, SIP Load Balance & Fail-Over -IVR Application -Fax over IP (FoIP), T38 Supported FAX Server, FAX to Email -Shoutcast Server -WebRTC client -PHP RESTfull API , Web Services for Mobile Application -Web Applications -Mobile Applications. My core competency lies in complete end to end IT solutions for VoIP, Web and Mobile technologies.

90% Job Success
$25.00 /hr
1,785 hours