SIP Freelancers

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

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, 36 SIP projects are completed every quarter on Upwork.


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 4.41.

Last updated: June 1, 2015

Popular SIP Searches

More options
Clear all filters
  1. Andres Garcia

    Andres Garcia

    Telecommunications engineer VoIP/SIP

    Colombia - Last active: 07/25/2014 - Tests: 4

    I'm a telecommunications engineer with more than six years of experience in multiple branded NGN networks, hands on operation, maintenance, and configuration of Cisco routers and switches, Huawei routers, switches, softswitch, universal media gateway, Tektronix spectra, acme packet Session border controller and wireshark. I am a very fast learner, on my entry to Huawei I did not know anything about VoIP or anything regarding the technology, but a week later I was the best Engineer at the NOC and they ask me to made a presentation for the customer Comcel, in which everyone congratulate me, I also learn Excel Macros for making statistical reports from RAW data obtained from the platform, And configure a CentOS Radius authentication server for the platform. All of the above without former instruction and those were my ideas to improve security and leave tedious work of copying and pasting information to an Excel spreadsheet. I was in charge of the platform security giving and configuring all the security policies for each equipment in the platform, I wrote the manual for doing this, so anyone could do it after.

    $22.22 /hr
    0 hours
  2. Ankush Sharma

    Ankush Sharma

    SIP/VoIP Technical Support Expert

    India - Last active: 2 months ago - Tests: 3

    Over the last 7 Years, I worked on different types of platforms and technologies which includes SIP, VoIP, XMPP, NAT, netstat, Amazon Web Services, Wireshark, Windows 7/8, Windows server 2003, DHCP installation and configuration. I worked most of the years in support team, and gained good expertise in this field. I am seeking opportunities, and want to build right confidence with the clients.

    $22.00 /hr
    0 hours
  3. Alex Mordvinov

    Alex Mordvinov

    Software development and QA

    Russia - Last active: 04/23/2013 - Tests: 3

    Personal data: date of birth: 05/20/1984 sex: male Base technical skills: OOP (Java ME/SE/EE), SQL, relational databases, test process knowledge, software development process knowledge Reason of starting freelance activities: Thanks to my current position I have much free time during work day and ability to take additional work according to my interests.

    $22.22 /hr
    0 hours
  4. Brian Savelkouls

    Brian Savelkouls

    Executive Project manager development and engineering

    Netherlands - Last active: 10/16/2013 - Tests: 1 - Portfolio: 2

    As an executive project manager for Websdev BV i have to deal with the full project scope in the following disiplines: - Application development - VoiP PBX (Cisco and unify (formar Siemens)) - Network engineering - system administration In most projects i am both project manager and do parts of the project itself. this way i have a overview of all project staff's tasks and progress. for smaller implementation we perform the full project with our own staff. About our company: Websdev is a registered company in the Netherlands with 9 FullTimeEmployees Generaly we have three kinds of projects: - (web)pplication development - System and Network enginering - Unify (formar Siemens) and Cisco PBX management and engineering. -

    $35.56 /hr
    0 hours
  5. Jerome Martin

    Jerome Martin

    Linux Architect and Developper / VoIP, HA & Storage expert

    France - Last active: 07/03/2014

    Linux • BSD • Open Source • High Availability • Distributed Systems • Storage Systems • VoIP Networks • NGN • Clustered Systems • Cloud Computing • Virtualization Working with Linux and *BSD Systems since 1995. • Storage Original author an current maintainer of RTSLib and TargetCLI, the open-source Linux Kernel's SCSI Target userspace API and administration tool. • • • RTSLib is today a base component of most Linux-based SAN and iSCSI-enabled NAS appliances and systems. Developed Cluster Management Software for Distributed Storage Systems, Private Cloud Infrastructures and Service Provisionning and Fault-Tolerance. • • • VoIP Architected VoIP service platforms, ranging from enterprise services to mid-sized telco infrastructures with SS7/SSUTR2 interoperability, SIP/MGCP/SCCP/POTS/ISDN endpoints, passing on millions of minutes - with a focus on cost and service availability - thricely in wholesale, enterprise and residential markets. SER • OpenSER • Kamailio • OpenSIPS • RTPProxy • SEMS • Asterisk Centile • Dialogic • Cantata • Audiocodes • Cisco

    $200.00 /hr
    0 hours
  6. Rupali Solanki

    Rupali Solanki

    VoIP/Telecom Software Engineer

    United States - Last active: 06/28/2014

    Dedicated Engineer with excellent technical, analytical and communication skills demonstrated by 3.5 years A Design & Development Engineer in the field of Telecom(VoIP) software and call processing. Strong programming skills in C in Linux Environment. Experienced with Embedded system programming, through extensive work in Wind river’s Linux and Protocol Development . Familiar with shell and Python scripting. Fast Learning and Comprehensive problem solving abilities

    $16.67 /hr
    0 hours
  7. Jonathan Prospero

    Jonathan Prospero

    IT with Background in VoIP/SIP

    Philippines - Last active: 04/18/2014 - Tests: 1

    Worked as a call center agent for technical account (DSL), then established a computer shop (from hardware assembly to software installation). Then, went back to call center industry as CSR (billing specialist) for 2 years. Then shifted career as Network Engineer for Accenture and eventually became Senior Network Engineer specializing in SIP.

    $16.67 /hr
    0 hours
  8. Nasir Bhutta

    Nasir Bhutta

    Dr, Programmer, Developer, security engineer

    Pakistan - Last active: 16 days ago - Tests: 3 - Portfolio: 9

    A software programmer with 7 - 8 years of programming in many different languages including c/C++, C#, VB, CB.Net, ASP.Net, Java, Python, Turbo Pascal etc. I have worked on many projects with many different clients from many different countries and in many different areas including Protocols, security products, APIs, Simulations, emulations, Web Development, Management Consultancies, Financial Consultancies, health care etc.

    $50.00 /hr
    0 hours