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: 1 month 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. Chris Rivas

    Chris Rivas

    Hosting Industry Sr Linux Admin w/ RHCE, RHCVA, MySQL DBA, developer

    United States - Last active: 11/18/2014 - Tests: 7 - Portfolio: 1

    For more than ten years I have worked extensively in the software development and hosting industries. I am an expert Linux and Unix system engineer, and can deploy and configure any software stack that is based on Linux for optimal content delivery. I excel at MySQL database design, optimization, and administration. I am a seasoned software developer and have extensive experience with many languages including Java, Python, PHP and Ruby. I also have significant experience with customizing, deploying, and adminstering open source web applications, application frameworks, and application servers. I have worked locally, overseas, and with colleagues and clients overseas via the internet. If you look at my work history here, you will note that i 'disappeared' in February 2011. Indeed I did disappear, I was in a very bad car accident in Bangkok, Thailand, where I was living at the time, and was nto able to get out of bed or use a phone or computer for roughly a month. I now reside in Austin, TX again full-time I do not disappear typically, my present and previous employers can confirm that if you are hesitant based on feedback from 2011.

    $36.67 /hr
    22 hours
    4.54
  3. Yawar Hadi

    Yawar Hadi

    Voip, asterisk, perl scripting, freeradius, linux, mysql developer

    Sweden - Last active: 07/07/2012 - Tests: 3 - Portfolio: 3

    From last two years i am working on asterisk, free radius and mysql.I developed a full voip application which consist of * Calling Card Application * Soft phone to PSTN calls * DID to Soft Phone * DID to Forwarded no. * SIP to SIP calls * Call routing besides these i add the asterisk realtime functionality using mysql database and for billing i use the free radius server. So my core competencies are asterisk, perl, python, free radius, mysql DB and working on linux plat form.

    $8.89 /hr
    75 hours
    5.00
  4. Junaid Rehmat

    Junaid Rehmat Agency Contractor

    Experienced C/C++/Objective C Developer/iPhone Application Developer

    Pakistan - Last active: 2 months ago - Tests: 3 - Portfolio: 5

    Over the last 4 years, I have developed a wide range of projects using C, C++, Objective C, and Java. My core competency lies in iPhone Application Development. I have developed more than 15 major applications, including VOIP applications, social networking apps, drawing apps and/or a few apps with custom UI and self management features. I have hands on experience in iOS Application Development. I have developed many live applications. - Expertise in iOS (6.x, 5.x, 4.x) - Expertise in xCode (4.x, 3.x) - Expertise in VOIP applications using PJSIP and Doubango. - Expertise in XMPP Framework. - Expertise in Facebook, Twitter and LinkedIn APIs - UIKit Framework - UIMapKit Framework - Addressbook Framework - QuartzCore Framework - CoreAnimation Framework - AudioPlayer/MoviePlayer Frameworks - Client‐Server communication - Database designing using SQLite - PDF document reading - Inapp Purchase integration - MessageUI and MailUI Frameworks - JSON and XML Parsing. - Using GET, POST and SOAP web services. - Using Gesture Recognizer and UITouch controls. - Customizing User Interface.

    Associated with: AgileOne

    $20.00 /hr
    1,512 hours
    5.00
  5. Ali N.

    Ali N.

    Software Architect / Developer(C++, C#), Computer Science Reseracher

    Sweden - Last active: 4 months ago - Tests: 13

    I have several years of experience in developing Windows and Web based software, including Sharepoint, database, and industrial monitoring and control applications. I have used Visual Basic, C#, C/C++ (Win32/MFC/CLR/Linux), and Microsoft SQL Server 2000-2008 proffesionally to develop software solutions. I used advanced object oriented concepts and architecture patterns in software development. Moreover, I am a computer science researcher. My research fields of interest include computational neuroscience, neuronal networks, artificial intelligence, robotics, and computer software.

    $60.00 /hr
    64 hours
    4.18
  6. 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
  7. Abdelhamid F.

    Abdelhamid F.

    Technical Translation Expert En-Fr-Ar

    Morocco - Last active: 21 days ago - Tests: 17 - Portfolio: 4

    19 Years of various responsibilities, as Virtual Assistant, Project Manager, Virtual Team Manager, Expert Translator (English, French and Arabic), Software Localization Specialist, IT Specialist, Technical Support, Virtual Recruiter, Owner & Director of a Study Office for Data Processing, Online Scam & Fraud Investigator. Freelancing is not a hobby or a second job for me, it is my full-time job. Which means high availability & the resources to turn a project into a success. I am interested by all kind of tasks that I can do according to my skills, attempting always to offer innovative & high quality work. I am a conscientious, enthusiastic & highly motivated person who is reliable, responsible & hard working. With high level of detail orientation & the proven ability to achieve targets & results. Able to adapt quickly & positively to challenging situations whilst remaining calm, focused & positive. Mature with an outgoing, friendly personality. I believe my experiences will bring significant benefits for any IT or Non IT organization. I am actively looking for full-time opportunities which will help me to build and enhance my career to further higher level. Thanks for your time & attention in advance. ____ +Areas Of Expertise: I am very familiar with most of the online management tools either for projects or for teams, for organizing work & meetings or for doing follow-up for tasks, projects, milestones and goals. When it comes to the translation area, I provide Translation Based Keywords, and SEO friendly translation for the following pairs: English to French/Arabic Arabic to French French to Arabic +Area of Translation: -Expert in Software localization: Menu, Dialog boxes, Options, Help, Adversity, Tutorials, etc. -Technical documents (computer & software area.) -User guides for IT equipment, network hardware & software (devices, servers,screens, etc.) -International Tenders within the IT field for governmental or private agencies. -Commercial listings for electronic stores. -Tools for teaching & learning languages (texts, exercises, tests, courses, etc.) Proofreading French and Arabic content. +Operating Systems: The following Windows versions: (3.x-9.x-NT-2000-Me-XP-2003\Server\AdvServer-Vista-Seven-Eight) The following Linux distributions versions (gnome/kde): Ubuntu, Fedora, Linux Mint, Kali Linux, Wifislax +Software : Microsoft Office (All versions since version 2 under MS-DOS until version 2010) Open Office Libre Office Microsoft Front Page Microsoft Expression Web PoEdit OmniPage professional +Online Tools: Basecamp Wrike Asana Highrisehq Cisco Meraki Dashboard DropBox Google Apps +Other Skills: *PC troubleshooting Hardware/Software (Installation, Configuration & Administration): Identifying problems, troubleshoots, providing assistance & advice to end-users Installing, maintaining & upgrading Software & Operating Systems Providing support on other IT issues Testing Software functions & providing reports when asked *Customer Service Representative *Technical Support *Administrative Support *Virtual/Personal Assistance *Web Research *Data Entry (CMS, E-Commerce, online forms, ...) Speed: 74 wpm / 330 kpm. *E-Commerce implementation & customization. +Office Equipment: PC Quad 3 GHZ 64 Bit - RAM: 8Gb - 2HD: 500Gb each - Video Card Memory: 1Gb LED Screen 23”. Laptop i5 64 Bit - RAM: 4Gb - HD: 250Gb - V. Card Memory: 1Gb Android Phone Internet ADSL 4Mb. Webcam + Stereo Headphone

    Groups: oTranslators

    $11.00 /hr
    258 hours
    4.34