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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.

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OpenSIPS Upwork freelancers typically receive a client rating of 4.87.

Last updated: October 1, 2015

Popular OpenSIPS Searches

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Thiago M.

Thiago M.

Java/Perl/ Linux/Voip/Asterisk/Opensips

Brazil - Tests: 1 - Portfolio: 1

Last 14 years I worked as Internet Provider admin, with linux and perl in Brazil. I worked for 2,5 years as Voip Engineer with asterisk, openser and opensips in Australia. Worked for 1,5 years in Japan with Flex, now, I'm back to my home in Brazil, with my family working with Flex and Java at my new company We make software ERP to manage money and accounting for business companies. At my free time I like to discovery things by programing, some times with stock markets, some times like now, looking for math formula for prime numbers. I'm looking for some freelance job to increase my incomming, Once I want to go again to japan in this 2013.

$27.78 /hr
418 hours

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

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

Mikhail Zhirnov

Mikhail Zhirnov

VOIP and Linux expert

Russia - Tests: 4 - Portfolio: 2

More than 8 years experience as Architect and Project manager of 78 VOIP projects which used: - OS Linux and Solaris 10 - VOIP software: Asterisk, FreeSWITCH, OpenSIPS - Virtualization technologies: Xen, VmWare, OpenVZ Expertise in Linux Administration is as following: Server Distributions: RedHat, Centos, Fedora, Debian, Ubuntu, Gentoo, Suse, Mandriva, Opensuse. Web servers: Apache, Nginx, Tomcat File servers: Proftpd, Pureftpd, Vsftpd, Sftpd, TFTP, NFS, Samba DNS servers: Bind9, MyDNS, NSD Logging services: Syslog, Rsyslog, Syslog-ng Proxy servers: Squid(forward and reverse proxy), nginx, pound, lighttpd. Firewalls: Iptable scripts and Advance Policies Firewall with bruteforce detection. Firewall configuration: NAT, IP Masquerade Jabber servers: Openfire, Ejabberd, Djabberd Database servers: MySQL, Postgresql VPN: OpenVPN Virtualisation: Openvz/Virtuozzo, Xen, Qemu, KVM, VMware Server, Parallels Workstation, Virtualbox headless, HyperVM. Monitoring: Zabbix. Revision control: Git(fan), Subversion Package management: yum, rpm, dpkg, aptitude, apt-get, emerge Security: Nessus, John The Ripper, Tiger, PGP, GPG, nmap, Openvas, Snort, Ettercap, arpwatch, SSH, SSL, TLS, TCP Wrappers, Ethereal, dsniff, tcpdump, portsentry, rkhunter, chkrootkit, clamav, SPF, Spamassassin, domain keys. Cloud computing: Amazon (EC2, EBS, S3, CloudWatch), Rackspace services. Assessment tools: sar, vmstat, iostat, mpstat, netstat, iptraf, iftop, lsof, ntop, serverstats Misc services: NTP, Cups, DHCP, Dnsmasq less Scripting language: PHP, Perl My profile on Elance:

$30.00 /hr
2 hours

Sayeed Islam

Sayeed Islam Agency Contractor

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

Canada - 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

Vadim G.

Vadim G. Agency Contractor


Czech Republic - 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

Benjamin Wilson

Benjamin Wilson

A highly motivated and enthusiastic ICT professional

Thailand - Tests: 2

A highly motivated and enthusiastic ICT professional with transferable skills in networking, telecommunications, computer programming, customer support/training, databases and web design. Currently working cross-functionally within a customer focused, multi-site environment, identifying and meeting demands and developing customer relationships. An effective team player, able to manage projects from concept to completion and meet tight deadlines. Now looking to make a continued significant contribution within a new challenging role.

$8.89 /hr
0 hours



Linux / Unix / VoIP / VmWare Architect/Consultant/Administrator -

Pakistan - Tests: 3

I have 8 years technical experience and interests as a VMware Consultant, VoIP, Network Manager, system engineer and system architect focuses on Linux/Unix{AIX,Solaris}/Windows/Cisco/VoIP ,Open Source software & Business Development to take an organization to next step Skills include deploying, migrating and managing large-scale Unix/Linux/Windows server and desktop environments, packaging Linux/Unix/Windows software, designing and implementing system tools and automating operational tasks using php, shell scripting and perl I am available for work inside or outside of my home country

$16.67 /hr
0 hours