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SIP Job Cost Overview

Typical total cost of Upwork SIP projects based on completed and fixed-price jobs.

Upwork SIP Jobs Completed Quarterly

On average, 39 SIP projects are completed every quarter on Upwork.

39

Time to Complete Upwork SIP Jobs

Time needed to complete a SIP project on Upwork.

Average SIP Freelancer Feedback Score

SIP Upwork freelancers typically receive a client rating of 4.48.

4.48
Last updated: July 1, 2015

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  1. Suren Karapetyan

    Suren Karapetyan

    Senior System/Network Administrator (devops)

    Armenia - Last active: 1 day ago - Tests: 8

    An ambitious *nix System and Network Administrator with eight years' experience working in ISPs and other service providers maintaining existing and designing new infrastructure. DevOps skills which help to bridge sysadmins' and developers' teams. Master's degree in Math Sciences. I'm looking for interesting projects which use new/young technologies and provide new challenges. Would also be great to work with interesting people.

    $40.00 /hr
    1,027 hours
    4.93
  2. Yuriy N.

    Yuriy N. Agency Contractor

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

    Russia - Last active: 09/05/2014 - 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

    $40.00 /hr
    1,118 hours
    4.97
  3. Alexey A.

    Alexey A.

    Erlang/Web/NoSQL developer

    Russia - Last active: 1 day ago - Tests: 1

    More than 20 years of Telecom/GUI/Embedded/Web programming experience. Main languages: Erlang, Js, C, Python Extra languages: Lua, PHP, TCL, Perl. Erlang skills: OTP, RabbitMQ, Ejabberd/MongooseIM, Cowboy, NkSIP, ChicagoBoss, Zotonic, Nitrogen, Riak, CouchDB, Erlyvideo/Flussonic, Tsung, Common Test, PropEr

    $39.99 /hr
    3,703 hours
    4.86
  4. Malay P.

    Malay P.

    VoIP/SIP Administrator & Developer

    India - Last active: 1 day ago - Tests: 6 - Portfolio: 3

    Over the last 5 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 companies. Following are my area of experiences: -VoIP, SIP -FreeSwitch, ASTPP -Opensips -Kamailio -WebRTC -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.

    $25.00 /hr
    1,576 hours
    4.62
  5. Ahad Ali

    Ahad Ali

    Voip Network Engineer

    Pakistan - Last active: 1 month ago - Tests: 1

    Voip Network Engineer I am a talented and experienced Network Support Engineer. I have good experience of working with major international VOIP Carriers as technical support provider. Proficient in Monitoring, Troubleshooting, Complain Handling and Configuration of various VOIP Switches. You will find me extremely responsible professional.

    $5.56 /hr
    0 hours
    5.00
  6. Sayeed Islam

    Sayeed Islam Agency Contractor

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

    Canada - Last active: 4 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