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, 34 SIP projects are completed every quarter on Upwork.

34

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 4.50.

4.50
Last updated: May 1, 2015

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  1. Hector Bravo

    Hector Bravo

    IT Expert - Project Manager - PMP, ITIL, VCP, MCSE, MCDBA, VoIP

    Panama - Last active: 27 days ago - Tests: 13

    Design, Plan, Implement and Support for: - Windows Azure / Amazon EC2 - Microsoft Lync - Microsoft Sharepoint - Microsoft Exchange - Microsoft SQL Server - Microsoft Active Directory, ADFS - Microsoft Dynamics CRM - Windows Server / Hyper-V - Microsoft ISA/TMG/UAG - Microsoft SSCM, SCVMM, DPM - Microsoft Office 365 - Voice Integration with Lync - VMWare vSphere / ESXi - VMWare Site Recovery Manager (SRM) - Veeam Backup & Replication

    Groups: Microsoft Certified Professionals

    $33.33 /hr
    930 hours
    4.56
  2. Petr Kudinov

    Petr Kudinov

    Russia - Last active: 2 days ago - Tests: 4

    I'm professionaly programmer from 1997 (started on Pascal/C/FoxPro). Other the years i've developed billing systems for mobile operator and ISP, websites and very specific VOIP services. I have configured and supported many of the FreeBSD/Linux servers using Puppet/SaltStack. At this time i'm developing WEB applications using Angular JS or other JS engines on frontend and PHP on backend. I'm have good skills in software design, Javascript/PHP/PERL/C and SQL languages, as well as TCP/IP, HTTP, SIP, H.323, RTP. VCS - GIT/SVN

    $45.00 /hr
    1,611 hours
    5.00
  3. Alex D.

    Alex D.

    Network / Security / VoIP / Unix Specialist

    Russia - Last active: 10 hours ago - Tests: 6

    15+ year experience in networking. Built an ISP (Internet Service Provider) from scratch. Network Planning, Designing, Implementing and Optimizing. Right now we have about 4500 customers. We use Wireless & Fiber technologies. I do WISP and ISP consulting. I specialize on the following products: *** HP (mainly ProCurve switches family and rack servers) *** D-Link (layer 2 & 3 manageable switches) *** Ubiquiti (AirMax, Unifi, mFi & AirFiber products) *** Mikrotik (CCR series, wired & wireless RouterBoard series, x86 RouterOS) *** Grandstream (VoIP PBX, Phones, Gateways and ATAs) *** Linksys (VoIP products) *** Cisco (VoIP products and Catalyst series) *** DELL (SonicWall series) *** Draytek (Network & VoIP series) *** Other products: Linux, Mac OS X, Windows, vmware ESXi, Asterisk, FreePBX I have a good knowledge of the following technologies: TCP/IP, IPv4, Static & Dynamic routing, BGP, EIGRP, OSPF, Layer 2 & Layer 3 VPNs, IPSec, NAT, PAT, STP, VLAN, QinQ, GVRP, HSRP, VRRP, RSTP, MSTP, VTP, RDP, Firewall, Remote Access, HTTP, Load balancing, QoS, CoS, OpenVPN. Check out tests I've passed. I'm new to oDesk, thats why my hourly rate is low now :-) I'm ready for a test task.

    $34.99 /hr
    50 hours
    5.00
  4. Md. soliman F.

    Md. soliman F.

    OpenCart / WordPresss / eCommerce / Responsive Professional Developer

    Bangladesh - Last active: 10 hours ago - Tests: 8 - Portfolio: 40

    <OpenCart / eCommerce / Extensions / WordPress -- For any development you are always welcome. Ask anything that you have need for your eStore. Take lifetime support after development.> My skills and experiences are following - OpenCart Any custom functionality - OpenCart extension customization to add new functionality. - OpenCart, WordPress, OsCommerce,Magento, custom php-mysql project - OpenCart theme from the scratch - OpenCart store 100% functional to go live from PSD or JPEG design. - OpenCart store 100% functional to go live from HTML web site - OpenCart custom extension creation for your store. (With VQMOD or Without VQMOD) - OpenCart theme customization & installation. - WordPress Theme from the scratch - WordPress site customization,add advance plugins. - Web Service, Ajax, XML, JSON, RSS - MySQL, HTML, HTML5, PHP, JSP, CSS,CSS3, java script, jQuery <--Top Quality and Tight Deadline is my main personality in Developing.--> <However, If for any reason you are not pleased with my product then I will be happy to refund full money from you> Dear Hiring Manager, Thank you for taking the time to look at my resume.I am an Honest young programmer, I am from Bangldesh. I think when you are outsourcing for a contractor to complete your project, trust is very important, without trust, you have nothing.If you are looking for a reliable contractor to finish your project on time, then look no further, you have found the right person. -------Client Satisfy Perfectly -------Top Quality -------I do not exceed agreed budget. -------I do not exceed deadline.. I will always make best effort to satisfy clients requirements.I will always provide best result for clients. Kind Regards Soliman

    $15.00 /hr
    1,757 hours
    4.90
  5. Slawomir L.

    Slawomir L.

    senior python programmer (pyramid/tornado/django)

    Poland - Last active: 01/10/2011 - Tests: 3 - Portfolio: 2

    first things first ability to abstract / think on several levels reading others source code planning every day / well-organized love what I doing self-improvement craving for knowledge creativity / problem solving results-driven lead programmer effectiveness never give up SCRUM compatible Expert in python. Good in any programming language

    $29.90 /hr
    0 hours
    4.70
  6. Mohsen Hameed

    Mohsen Hameed

    Android, Embedded Programmer and Researcher

    United Arab Emirates - Last active: 12/09/2014 - Tests: 2 - Portfolio: 1

    I want to obtain a challenging position as a software developer in a company that will enable me to use my solid technical knowledge, strong embedded development skills and problem solving abilities. SPECIAL INTEREST: Design, Implementation of Software Mobile Application Development (Android, iPhone) Voice over Internet Protocol (VoIP) Telecommunication Networks

    $16.67 /hr
    348 hours
    4.98
  7. Rahul S.

    Software Engineer / Web Developer (C#/PHP/MySQL WordPress/ XMPP)

    India - Last active: 1 month ago - Tests: 4

    I have 2+ years of experience in ASP.NET/C#, and 2.5+ years of extensive javascript and jQuery development. My skills include building .NET sites from the scratch, writing custom modules, their maintenance and migration.

    $15.56 /hr
    28 hours
    5.00
  8. Christos D.

    Christos D.

    Independent Multimedia, Communications and Marketing Consultant

    Canada - Last active: 07/14/2014 - Tests: 10 - Portfolio: 18

    Resourceful, Cooperative, Technology Orientated Multitasker and Motivated Self Starter with a Vast Amount of Customer Service, Sales and Technical Support Environment in a Call Centre (10+ Years) Setting and in Person. A Leadership Role Building and Maintaining a Strong, Loyal, Satisfied and Educated Customer Base. Acquired Unique Skills Dealing with People from a Variety of Cultural Backgrounds, Range of Ages and Diversity Needs. Languages: English (Native), Greek (Fluent) and Spanish (Beginner) Skill Strengths Organized and Innovative Approaches to Tasks Efficient & Productive Service with Quality & Measurable Outcomes Ambitious and Open Minded - Can Do Attitude, with a Smile! Understanding Internal/External Customer/Business Requests/Needs Evaluating Information and Providing - Best Fit Solutions Informing Clients about Additional Value Added and Benefits by Up & Cross Selling Products and/or Services Educating Clients about Alternative Time Saving Channels of Service/Information Promoting Our Brand Name and Business and/or Industry Troubleshooting and Problem Solving Instilling Confidence to Clients Proactive Attention to Details and Excellent Photographic Memory Well Developed Technological Knowledge, Processes and Practices.

    $22.22 /hr
    9 hours
    5.00
  9. Isaac Thuku

    Isaac Thuku

    Isaac Thuku

    Canada - Last active: 03/02/2014 - Tests: 10 - Portfolio: 2

    I am a self motivated professional always working towards providing excellent tailored solutions for each of my clients to meet and whenever possible exceed their requirements, within budget and deadline. I have wide experience in desktop application development, installation, troubleshooting, repair and customer/technical support for Windows based Operating Systems and application, data entry and Web design.

    $5.56 /hr
    5 hours
    5.00
  10. Faisal Yousuf

    Genesys Consultant with Software Engineer Expertise

    Pakistan - Last active: 05/29/2009 - Tests: 1 - Portfolio: 13

    _I am an experienced Genesys Consultant with Advance expertise in Genesys Inbound Voice & Sip Solutions , I have extensive experience on developing VXML based Self-Service Solutions , integrating with different Systems using various Genesys SDKs . In addition I have also practical experience on Ebanking & Payment system, Datawarehousing & BI systems. I seek consultancy/contract role for Solution architect for Genesys Contact Center solutions & development/integration projects inlined with my skills

    $27.78 /hr
    0 hours
    5.00