OpenSIPS Freelancers

Browse OpenSIPS job posts for project examples or post your job on Upwork for free!

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.

3

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 4.94.

4.94
Last updated: May 1, 2015

Popular OpenSIPS Searches

More options
Clear all filters
  1. Ambika P.

    Ambika P.

    VoIP,SIP,Asterisk,FreeSwitch,Opensips,Kamailio, Linux,MySQL,PHP,Apache

    India - Last active: 2 days ago - Tests: 6 - Portfolio: 5

    Over the last 4.5 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.

    $25.00 /hr
    1,502 hours
    4.58
  2. Yuriy N.

    Yuriy N. Agency Contractor

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

    Russia - Last active: 09/05/2014 - Tests: 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. Md Golam Rabbany

    Md Golam Rabbany

    Programmer,PHP,MySQL,AJAX, Jquery, C, C++, VoIP, FreeSwitch, Asterisk

    Bangladesh - Last active: 1 month ago - Tests: 2 - Portfolio: 4

    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.

    $16.67 /hr
    0 hours
    5.00
  4. Vadim G.

    Vadim G. Agency Contractor

    LINUX/RHEL/CENTOS/AWS/RHEV/NETWORK/VOIP/RHCA/RHCSS

    Czech Republic - Last active: 11/15/2013 - Tests: 8 - Portfolio: 1

    -More than 8 years of Linux administration experience -Proficient knowledge of RHEL / CenOS -Experience with Amazon Web Services. -Experience working with RHEV-M/H -Able to design and implement a large variety of services. -RHCS based clustering. -High troubleshooting skills. -Certified RHCA, RHCE, RHCSS and RHCDS

    Associated with: Cassiopeia, EaseIT

    $22.22 /hr
    14 hours
    5.00
  5. Mohamed Hassan Ezzeldin Badreldin

    $16.67 /hr
    45 hours
    4.88
  6. Sayeed Islam

    Sayeed Islam Agency Contractor

    Systems Administrator/Architect/Integrator/AWS(EC2,VPC,S3,Cloufront)

    Canada - Last active: 2 months ago - Tests: 23 - Portfolio: 2

    Hands-on proven experiences over the past 9 years leading all stages of system implement efforts, including requirements definition, design, architecture, testing and support in Linux(CentOS, Redhat, Ubuntu, Debian, Fedora, Gentoo, Suse. etc), Database, Windows, VoIP, Linux: Advance LAMP system administration, Oracle, MySQL, Postgres, Apache, Lighttpd, JBoss, Tomcat, Squid, HA Proxy, HA Linux, Clustering, High Availability, Proxy, VPN, Puppet, DNS, Zimbra, Cluster, Monitoring and Alerting system such as Nagios, Cacti, MRTG.Windows: Active Directory, Domain, Microsoft Exchange, IIS, MS SQL, Orion Monitoring and Alerting systemVoIP: Cisco, Quintum, SIP/H323/IAX2, Asterisk, AsteriskNow, Trixbox, FreePBX, Polycom, Sipura, AsteriskNOW, Digium, T1/E1, Yate, GNUGK, Vendor Specific Softswitch, Open Source, predictive dialer, Radius and billing system.I also have experiences in vendor specific VoIP Softswitches such as MERA, VoIPSwitch, Sysmaster, VoiceMaster and load balancer such as KEMP, Crescendo, HAProxy (open source), etc. I have acquired valuable system administration experience over the past nine years in all facets of administration, deployment, troubleshooting, installations, monitoring and maintenance for various system and application, hardware, and software. I possess a unique talent for delivering highly complex technical information into terms and concepts that the users can readily grasp. Furthermore, I am multi-task oriented, enjoy challenges, and continually stay abreast of the latest advancements in the IT field.

    Groups: Microsoft Certified Professionals

    Associated with: NixTroop

    $40.00 /hr
    3,463 hours
    4.21
  7. Beenish Saleemi

    Beenish Saleemi

    VoIP/IMS ,BPM/, RIA Application Developer

    Pakistan - Last active: 1 day ago - Tests: 7

    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
    0.00
  8. George M.

    George M.

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

    Ukraine - Last active: 3 months ago - Tests: 6 - Portfolio: 7

    My web site is: www.a4business.com 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 expierence in VoIP, Sysmaster/VoiceMaster brands. Demo: www.norfa.com, ( ask me for PIN ) Video lessons: https://vimeo.com/user36231282/videos Also, I had 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.

    $25.00 /hr
    5 hours
    0.00