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, 2 OpenSIPS projects are completed every quarter on Upwork.

2

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: June 1, 2015

Popular OpenSIPS Searches

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  1. Marcin M.

    Marcin M.

    VoIP developer

    Poland - Last active: 17 hours 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
    152 hours
    0.00
  2. George M.

    George M.

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

    Ukraine - Last active: 3 months ago - Tests: 6 - Portfolio: 9

    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
  3. Ziadi M.

    Ziadi M.

    Expert Linux System Engineer

    France - Last active: 09/19/2014 - Tests: 1

    I am a hands-on, highly competent Linux system engineer with 4 years’ experience and a strong performance background in wide variety of professional system support and solution-based IT services for Linux Systems (or dministrations) including, monitoring, configuration, troubleshooting and maintenance of operating systems. I have worked on numerous projects from concept to completion. A specialist in VOIP and LAMP platforms, I take pride in administrating Linux systems and regularly refresh my skills to ensure I keep up with ongoing developments.

    $16.00 /hr
    0 hours
    0.00
  4. Shan Jay

    Shan Jay

    Telecom professional with 8+ years of experience

    India - Last active: 4 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
  5. 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
  6. SYED BILAL MASOOD SHAH

    SYED BILAL MASOOD SHAH

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

    Pakistan - Last active: 11/06/2013 - 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
    0.00
  7. Muhammad Shirjeel Jamal

    Muhammad Shirjeel Jamal

    .Net, PHP, VOIP, Smart Phone Developer

    Pakistan - Last active: 11/15/2014 - Tests: 1 - Portfolio: 3

    Tech Bridge Consultancy is a leading provider of technology services and solutions with a global presence in North America, Europe and Asia. We believe that innovation, quality, integrity and effective client partnership are the key to success. Since our inception in 2005, we have built a strong reputation as a technology leader, by partnering with our clients to engineer high quality solutions which out-perform expectations. Through a balanced combination of a wide range of services, cutting edge information solutions, dedicated professionals and a collaborative client-value approach; we help businesses realize success. Drawing upon 10 years of cumulative extensive project management experience, we translate strategies into creative, robust, and effective systems that leverage our clients’ unique competitive advantage. Our mission is to build long term, mutually profitable relationships with our clients, by providing products and services which meet and in most cases, surpass expectations.

    $25.00 /hr
    0 hours
    0.00
  8. Qasim A.

    Qasim A.

    VoIP Engineer

    Pakistan - Last active: 22 days ago - Tests: 2

    Over 5 years of VoIP Experiance, Developing custom switches using OpenSIPs and Radius for billing. Also developed several IVR and Dialer systems using Freeswitch and Asterisk. My expertise include Apache, Mysql, PhP , Kannel, Nodejs, Asterisk, Opensips, VPS related issues. I have extensive experience in System Administration from Installation to deployment and maintenance using major open source softwares like Nagios, Monitorix, Monit, Cacti and Zabbix. I am very comfortable in working on Cpanel and SSH.

    $15.00 /hr
    0 hours
    0.00