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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. Rai Icasiano

    Rai Icasiano

    Frontend and Backend Developer

    Philippines - Last active: 25 days ago

    Currently leading a team of developers Trained developers to enable them to handle web projects Lead and implemented SCRUM methodology for the team Handled web-based projects as well as Pragmatic RESTful API design and implementation Have been an instructor for 1 semester on Web Programming Concepts Experienced in the following languages/technologies: Backend - VOIP(openSIPS for load-balancing, Asterisk for PBX) - PHP - Perl - Node Frontend - HTML - CSS - Javascript - Jquery - Angular Testing Tools: - Apache Benchmark(load) - JMeter(load and endpoint testing) - PHPUnit Others: - Linux-based platform: Debian/Red-Hat - Web Server Deployment and configuration: - Apache - Nginx - SSL - SSI - Databases - MySQL - Postgres - MongoDB - Deployment of Gitlab - Google Analytics - Deployment - Event Tracking - Goal Flows - Security: - Signed Requests implementation - OAUTH 2.0 implementation

    $11.11 /hr
    0 hours
    0.00
  2. Tushar Jain

    Tushar Jain

    Voice & Data Consultant

    Australia - Last active: 06/07/2014 - Tests: 3

    Tushar is a seasoned professional with 11+ years of experience in managing network operations in a service provider / NOC environment. Experienced & Skilled in Telecoms, MPLS, BGP, VoIP, SIP, Network Support and Managed Services, Remote Network Monitoring, Networking Services, Carrier Services , Telephony Services, IT Managed Network Services, Remote NOC Support. With an In depth design, implementation and support experience in Integrated network management system, Prepaid billing system, Switching, VOIP & Telephony services, SIP Trunking and many more areas, he brings with him a wide experience and has proven to be of great value to all the organizations and clients he has worked for.

    $22.22 /hr
    0 hours
    0.00
  3. Kundan S.

    Kundan S.

    System/Network Engineer

    Nepal - Last active: 2 days ago - Tests: 4 - Portfolio: 1

    I have been doing the system/network administration for last 6 years. My core area of work involves setup, maintain and troubleshoot system and network administration. I had successfully implemented and troubleshoot various system and network administration. My work platform includes (but not limited to ) Microsoft, Cisco, VMware, Citrix, Linux, IBM, SAN, Veritas etc. Below are the services which i have been providing to the organizations Microsoft platform : Active directory on w2k/w2k3/w2k8. IIS 6/7 web server/application server/file server/ smtp component for relaying. Certificate services as PKI in w2k/w2k3/s2k8. Visual SVN as subversioning and repository. Exchange 2003/2007/2010 and MDaemon for messaging solutions. WSUS, RDS, Terminal Services, Hyper-V DNS, DHCP, RRAS, Network Policy services. IPSec services PPTP and L2TP VPN Server. Kernel Debugging with Microsoft Debugger and kd tools SQL server 2008 Database administration. VBscripting for standalone and Active Directory environment. Linux services: LDAP with and without samba server. Qmail, postfix, Exim and sendmail as message transfer agent. Dovecot and courier as IMAP and POP3 server. smtp-auth, spamassasin, SPF with linux MTAs. Apache as webserver, apache and git as version control server . ssh server with and without password (with certificates and passphrase). VNC , screen as terminal services. oracle, mysql and postgresql on linux/unix. IPsec site to site and ssl vpn using freeswan, openswan and racoon. linux as firewall gateway using bash/perl gateway along with iptables, psad, and snort. bandwidth shaping policing services using htb and tcng. Voice server based on sip with h.323 support based on asterisk (trixbox, elastix, go-autodial ) with vicidial. quagga/zebra as advanced routing solutions. squid 2/3 cpanel/whm Amanda/zamanda/Bakula/rsync for backup services TCP Wrappers for hardening linux security. ext3/ext4/JFS on linux. puppet as configuration management. clonezilla. Debugging linux problems with signal trapping using bash scripts Networking : OSPF,EIGRP,RIP,BGP routing on cisco, juniper and open source in linux. Acess lists on cisco routers and security appliances (pix/asa). static and Dynamic NAT on cisco, juniper and open source linux/unix. L3 routing in cisco switches. SCCP/SIP in cisco CME, and call manager. INter vlan routing, site to site vpn, PPP/HDLC wan protocols, route summarization, equal/non equal cost load balancing. server virtualization on openvz, proxmox VE, KVM, XEN, citrix, vmware etc. desktop virtualization using citrix xendesktop and vmware view. App virtualization using citrix xenapp and vmware thinapp. user virtualization using citrix profile unity and appsense environment manager. ISCSI and Fiber channel based storage. IBM infosphere guardium for database security and data compliance CA identity minder and site minder. ...

    $11.11 /hr
    27 hours
    0.00
  4. Beenish Saleemi

    Beenish Saleemi

    VoIP/IMS ,BPM/, RIA Application Developer

    Pakistan - Last active: 4 days ago - 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
    0.00
  5. Shan Jay

    Shan Jay

    Telecom professional with 8+ years of experience

    India - Last active: 6 months ago - Tests: 1

    -- A dynamic professional with 8+ years of experience in Business Analysis, Solution Architecting, Pre Sales, Technical Sales, Project Management, Delivery Management in Telecom verticals like VoIP, MVNO, GSM, VPN, Telecom Billing, OSS/BSS , Mobile Money, MNP. - Excellent knowledge in Architecting different MVNO Models,telecom Billing, Baseline set-up, E2E VoIP Integration and Enterprise Reporting related issues. Technical Knowledge : - GSM - HLR, STP, GMSC, MSC, SS7, USSD, IVR, SMSC, GGSN, Load Balancing, prepaid and postpaid billing systems Cloud Based Architecture for MVNO, MNO. - MVNE – Implemented different Models of MVNE Architectures all over the world. - Telecom Billing – Siebel CRM, BRM, AIA, Andes, eTOM. - OSS/BSS Stacks. - VoIP – SIP protocols, Asterisks, Mobile Dialers, Transcoding , Codec’s handling, VoIP System Architect. - C++ Programming skills.

    $44.44 /hr
    0 hours
    0.00
  6. Marcin M.

    Marcin M.

    VoIP developer

    Poland - Last active: 5 days ago

    9+ years of professional experience in VoIP and telecommunication includes in-depth knowledge of Asterisk PBX, Freeswitch, Kamailio/OpenSIPS. Main skills is design and deploy multitennant load balanced VoIP systems with failover include realtime prepaid billing system. Other already done projects such like: - Conference servers (Asterisk,Freeswitch) - web based billing system - postpaid,prepaid (A2billing - Asterisk) - realtime prepaid systems (Freeswitch + Cgrates) - web based voice broadcast system (autodialer) - SS7 gateways (Asterisk,chan_ss7) - web based fax broadcast system (t.38, HylaFax) - web based sms broadcast system (Kannel) - Fax2Email system - Skype gateway (Asterisk) - SMS gateway (2N Stargate) - web based campaign system with agents interact (call/contact center) - FreePBX / Elastix configuration

    $30.00 /hr
    326 hours
    0.00
  7. Christian Benke

    Christian Benke

    Experienced VoIP Developer

    Austria - Last active: 2 days ago

    I am an austrian schooled engineer with 10 years of experience in open source based VoIP-solutions and Linux system administration. My speciality lies in building telephony platforms from the ground up, having provided clients with turn-key platforms for SMBs, VAS-solutions as well as high availability SIP-trunk systems. Additionally to this specialization in voice-over-ip, my broad knowledge and experience in the fields of Linux administration, networks and webdevelopment help to keep an birds-eye view on projects and to find creative and integrated solutions beyond the assigned tasks.

    $66.67 /hr
    0 hours
    0.00
  8. Hemang Patel

    VOIP/Linux Expert (Asterisk,FreeSwitch,Kamailio,Opensips,MySQL,PHP)

    India - Last active: 12/23/2014

    During the last 4 years, I developed a wide range of IT solutions including VoIP and Web Technologies. I have experience in Asterisk, FreeSwitch, Kamailio, Opensips, MySQL, PHP, Javascript, Jquery, Html, Css, WordPress etc. I am here to provide you complete IT solutions for VoIP and web technologies.

    $10.00 /hr
    0 hours
    0.00
  9. Lorenzo Muscariello

    Lorenzo Muscariello

    Senior Software Engineer

    Italy - Last active: 01/23/2014 - Tests: 3

    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.

    $38.89 /hr
    0 hours
    0.00