SIP Freelancers

Showing 16 freelancers

SIP Freelancers

Showing 16 freelancers

  • VoIP Expert / IP-PBX Specialist / Computer Networks / Linux

    A man interested in all things Computer and Data/Voice Networks related. Also a Linux and Virtualization enthusiast :) A strong supporter of Richard Stallman and Open Source software movement! You can visit and view my thoughts on: http://myciscojournal.blogspot … more

    A man interested in all things Computer and Data/Voice Networks related. Also a Linux and Virtualization enthusiast :) A strong supporter of Richard Stallman and Open Source software movement! You can visit and view my thoughts on: http://myciscojournal.blogspot.com Some Areas of my expertise: VoIP: -Genband Nextone - Expert -Sonus and NBS Solution - Expert -MVTS Pro and MVTS II - Expert -Acme Packet - Sound proficiency -Asterisk PBX: Full proficiency -Strong knowledge of SIP protocol and SIP routers/proxy servers/SS7 -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVRs/Auto Attendant Development. -Wireshark - Expert Cisco Routing and Switching technologies. Centos/Fedora/Red Hat Enterprise Linux Various Billing solutions: -A2Billing: Full proficiency (configuration from scratch, customisation) -CDRTool (prepaid billing/accounting and sip tracing for OpenSIPS using RADIUS) -CDR-Stats (call detailed statistic/realtime stat for asterisk and freeswitch) - vBilling (billing for Freeswitch) Above all, a passionate technical writer, who enjoys writing down great tutorials in his free time :)  less

    cisco-routers cisco-voip sip linux-system-administration vicidial elastix trixbox a2billing freepbx asterisk 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 1139 HOURS
    • MALAYSIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • Experience Android Developer / Expert Windows Developer

    I am a software analyst and developer with more than 10 years of expertise in the area. I work with the following programming languages: Visual Foxpro, C#, VB .Net, PHP, HTML5, Javascript, Java, Delphi. I have developed applications for a … more

    I am a software analyst and developer with more than 10 years of expertise in the area. I work with the following programming languages: Visual Foxpro, C#, VB .Net, PHP, HTML5, Javascript, Java, Delphi. I have developed applications for a big range of purposes, from a regular invoicing app to an instant messaging communication for mobile devices. I have knowlegde of: CSS3, MySQL, MSSQL, Silverlight, MVC, WCF, WPF, LINQ, ADO.NET, XMPP, Openfire (XMPP Server), Ubuntu, Gentoo, Office, Scirra Contruct2 (Game Development), Unity3D (Game Development), GIMP, LibreOffice, Wordpress. Right now my main interest is to work on mobile applications, can it be via HTML5 or native languajes. If you have any questions, please send me a message and I will answer ASAP.  less

    android-app-development php c# javascript phpmyadmin ios-development iphone-app-development cocoa xmpp sip ado.net mysql linq-to-sql sql html5 agile-software-development hp-qtp hp-quality-center phonegap unity-3d 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 14 HOURS
    • VENEZUELA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
    GROUPS:
  • Software Engineer.

    I have extensive experience developing Software using Delphi,C#,C++, JAVA, PHP, MS SQL and MySQL. I also have many years of experience developing desktop applications with C/Win32, C++/MFC, COM, C#, VB 6.0, and VB.NET. I … more

    I have extensive experience developing Software using Delphi,C#,C++, JAVA, PHP, MS SQL and MySQL. I also have many years of experience developing desktop applications with C/Win32, C++/MFC, COM, C#, VB 6.0, and VB.NET. I am seeking new opportunities to create software application from scratch or to add advanced functionality to pre-existing softwares. I'm also interested in creating desktop and mobile applications in any language that your project requires. Various .NET related skills include: WCF, WPF, Workflow Foundation, MVC, ADO.NET Entity Framework, LINQ, LINQ to SQL, LINQ to XML, COM and Win32 interoperability. C++ skills: STL, templates, data structures, analysis of algorithms, interprocess communications, multithreading and parallelism with Windows Threads, Intel Threading Building Blocks and network programming with WinSock using TCP/IP and UDP. Mobile skills: Development of Windows and Android phone apps. Enterprise services development skills: asynchronous order processing with MSMQ and Windows Services, distributed transactions. Management/Finance Skills: Accounting, Inventory, Trading, Microsoft Navision, Metatrader 4, mql4 Miscellaneous skills: AJAX, jQuery, SVN, CVS, Git, Security/Hacking .. Preferred OS: Unix, OpenSource Mind .. Hobbies & Research : Automatism, Robotics, NAO, NXT 2.0 , V-REP, OpenCV ..  less

    c# .net-framework linux-system-administration java php perl delphi c++ microsoft-dynamics eclipse microsoft-visual-studio embedded-systems tcp-ip mysql network-security drupal elgg ffmpeg android-app-development html css ajax jquery javascript robotics opencv sip facebook-api twitter-api skype-development linkedin-api uml agile-software-development svn cvs git multithreaded-programming socket-programming mql4 sql 00 more less
    • $22.22 HOURLY RATE
    • 4.9
    • 111 HOURS
    • GERMANY
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 4 TESTS
    GROUPS:
  • Experienced C/C++/Objective C Developer/iPhone Application Developer

    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 … more

    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.  less

    sip socialengine c c++ linux-system-administration objective-c xmpp iphone-app-development 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 981 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
  • Isaac Thuku

    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 … more

    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.  less

    customer-service seo helpdesk-support internet-research article-writing web-design windows-xp-administration tcp-ip microsoft-exchange-server adobe-pdf remoting virus-removal microsoft-excel microsoft-word microsoft-access sip 00 more less
    • $5.56 HOURLY RATE
    • 5.0
    • 5 HOURS
    • CANADA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 10 TESTS
  • A BE(ISc) proficient in S/W Testing, Development,Web design/admin...

    I have done my BE in Information Science , in 2010 from VTU , Bangalore. I have 2+ years of work experience from my previous job where my work involved Testing (Automated/Manual) of software and Web Administration. I have hands-on experience … more

    I have done my BE in Information Science , in 2010 from VTU , Bangalore. I have 2+ years of work experience from my previous job where my work involved Testing (Automated/Manual) of software and Web Administration. I have hands-on experience in HTML and PHP. I am very good in C , C++,MySQL and Linux. I am expert in Testing tools and certified in Software Testing, i.e, testing throughout the software life cycle, Static techniques, Test Design Techniques, Test Management, tools like Win Runner, Quick test Professional, Load Runner, Test Director etc. I am also exposed to various VOIP projects including SIP related softphone and call processing gateway. More to that , I am proficient in writing technical content in English. Now I am a full time Freelancer. I am willing to provide commitment to fulfill customer's requirement as necessary.  less

    software-testing html c c++ php mysql sip black-box-testing 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • IT Expert - Project Manager - PMP, ITIL, VCP, MCSE, MCDBA, VoIP

    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 … more

    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  less

    sql linux-system-administration asterisk trixbox .net-framework virtualization vmware-administration wan project-management security isa-server amazon-ec2 windows-administration microsoft-exchange-server disaster-recovery voicexml microsoft-lync-server sip crm customer-service website-development microsoft-hyper-v-server microsoft-visual-studio twilio-api windows-azure microsoft-project 00 more less
    • $33.33 HOURLY RATE
    • 4.7
    • 847 HOURS
    • PANAMA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 13 TESTS
    GROUPS:
  • Hosting Industry Sr Linux Admin w/ RHCE, RHCVA, MySQL DBA, developer

    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 … more

    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.  less

    gtk-programming python unix-shell mysql php html ajax java ruby cpanel jboss lamp-administration perl resin plesk c# .net-framework css qmail drupal wordpress joomla spamassassin clamav apache-tomcat nginx linux-system-administration centos ubuntu squid asterisk sip vmware-administration virtualization postfix sendmail mail-server-implementation oscommerce solaris-administration freebsd magento zabbix nagios 00 more less
    • $36.67 HOURLY RATE
    • 4.5
    • 22 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • Technical Translation Expert Ar-En-Fr/V.Assistant/Project Manager

    18 Years of various responsibilities, as Technical Translation Expert (English-French-Arabic), Software Localization Specialist, Project Manager, Virtual Team Manager, Virtual Assistant, IT Specialist, Customer Service Representative, Technical Support, Recruiter, Owner and Director of a Study Office for Data Processing, International IT … more

    18 Years of various responsibilities, as Technical Translation Expert (English-French-Arabic), Software Localization Specialist, Project Manager, Virtual Team Manager, Virtual Assistant, IT Specialist, Customer Service Representative, Technical Support, Recruiter, Owner and Director of a Study Office for Data Processing, International IT Consultant, Online Scam & Fraud Investigator, Web Designer, Graphic Designer, Web Master, LAN Administrator. I speak 5 languages: 3 fluently (French, Arabic and English), German with intermediate level and Italian with beginner level. Odesk is not a hobby or a second job for me, it is my full-time job. Which means high availability and 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 and high quality work. I am a conscientious, enthusiastic & highly motivated person who is reliable, responsible & hard working. With high level of detail orientation and the proven ability to achieve targets and results. Able to adapt quickly and positively to challenging situations whilst remaining calm, focused and positive. Mature with an outgoing, friendly personality. I believe my experiences has great demand 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 and attention in advance. Abdelhamid ___ My Terms of Services & Portfolio: Due to my long experience in freelancing, working with many customers around the world, providing various services for famous websites, companies, governmental agencies, VIP personalities,.. I am aware that every job needs a high level of confidentiality. By hiring me, the job done will not be mentioned in any of my portfolios or professional profiles. It will remains confidential whatever if an NDA was signed or not. For some jobs, maybe I will ask your permission to add your job in my portfolio. However, it doesn't mean that it will be published. I could use it as reference when bidding, but only if I am sure that the project doesn't involves any sensitive situation, or show a connection between you and me to your competitors, or someone you don't want they know how you manage your Business. ___ +Areas Of Expertise: I provide Translation Based Keywords, and SEO Friendly Translation. Translation from/to 3 Languages: Arabic, English, French From English to Arabic From English to French From Arabic to English From Arabic to French From French to Arabic From French to English *German: I studied German language for 3 years, I have the third level of C1 delivered from Goethe institute, I got already B1 and B2 certificates. I can understand German and communicate using it. *Italian: I have basic knowledge of the Italian language studied for few months +Area of Translation: -Expert in translating Software Materials- Menu, Dialog boxes, Options, Help, Adversity, Tutorials, etc. -Technical documents (computer and software area) -Blog and website contents -Administrative documents -Literature documents -Tools for teaching and learning languages (texts, exercises, corrections, tests, courses, writing) -Proofreading +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 10.04LTS / 11.04 / 11.10 / 12.04LTS -Fedora 13 -Linux Mint 11 -Ojuba 4 (Arabic Linux distribution based upon Fedora 13) +Software : *Microsoft Office (All versions since version 2 under MS-DOS until version 2010) *Microsoft Front Page *Microsoft Expression Web *Adobe GoLive *LibreOffice (run under Linux distributions) *PoEdit *SDL Trados *OmniPage professional +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 tasks *Web Research *Data Entry (CMS, E-Commerce, online forms, ...) *E-Commerce implementation and customization. *PDF edition, conversion (from/to) editable document: Word, Excel, ... *Image conversion to text using OCR and other Technologies. *Good knowledge of html, php, css, Wordpress, and all necessary tools to build and edit websites and blogs. +Internet Connections: ADSL 4 Mb 3G+ 7.2 Mb Symbian Phone with 3G 7.2 Mb  less

    translation-french-english translation-english-french translation-arabic-english translation-english-arabic customer-service technical-support computer-maintenance hardware-troubleshooting computer-assembly computer-repair translation proofreading arabic french german italian data-entry ubuntu linux-system-administration adobe-pdf video-ripping libreoffice html php graphic-design image-editing audio-editing frontpage ulead-video-studio infusionsoft-administration crm basecamp administrative-support adobe-acrobat audacity business-analysis business-continuity-planning business-plans business-development business-scenario-development calendar-management call-handling change-management chat-support cpanel custom-cms customer-support database-management database-administration document-conversion document-review drupal e-learning ecommerce-consulting electronic-funds-transfer email-handling email-technical-support forum-moderation forum-posting fraud-analysis fraud-mitigation ftp google-docs gimp google-adsense google-adwords google-plus google-reader google-searching google-sites-administration google-spreadsheet grasshoper-virtual-phone helpdesk-support hootsuite internet-research inventory-management investigative-reporting islamic-theology informatique job-description-writing joomla lan-administration lan-implementation linkedin-recruiting live-chat-operator localization logmein-rescue logmein-hamachi magento mail-merge mcafee-virusscan microsoft-excel microsoft-powerpoint microsoft-onenote microsoft-publisher microsoft-word online-community-management online-help open-office order-entry order-processing payment-processing payroll-processing pdf-conversion performance-testing performance-tuning phone-support photo-editing photo-manipulation photograph-color-correction phpmyadmin prestashop product-development product-management project-management recruiting requirement-management remoting requirements-analysis sip skype snagit software-testing sound-editing spreadsheets supervisory-skills teamviewer usability-testing user-acceptance-testing video-conversion video-editing video-streaming virtual-assistant virus-removal virtualization vmware-administration voip-software vpn xml yahoo-messenger adobe-photoshop web-content-management windows-7-administration windows-8-administration windows-xp-administration wireless-network-implementation sdl-trados 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 171 HOURS
    • MOROCCO
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 25 TESTS
    GROUPS:
  • Project Manager / Scrum Master / JIRA Expert / VOIP Expert

    Experienced IT professional with international knowledge leading local and distributed teams of software developers, analysts and testers. Professional with technical background in Computer Science. Managerial skills are focused in continuous process improvement, project management and Agile methodology. For last 2 … more

    Experienced IT professional with international knowledge leading local and distributed teams of software developers, analysts and testers. Professional with technical background in Computer Science. Managerial skills are focused in continuous process improvement, project management and Agile methodology. For last 2 years I've been working with JIRA and Atlassian products, coordinating teams of developers and providing assistance to clients to configure, customize and maintain yours JIRA's environments. I have a lot of experience (3 years) with VOIP PABX softwares (like Asterisk) and complex VOIP environments. Also I have experience analysing communication protocols (SIP and H323). I'm working with software engineering on my current company where I'm responsable to define the process to our team of analysts, developers and testers. My experience in topics: • Managerial: -- Experienced Project Manager (PMI Member); -- Experienced Development Coordinator / Technical Leader; -- Experienced Business/System Analyst Leader; -- Experienced Scrum Master (Agile Methodologies); -- Experienced Process Developer and Integrator (merge of two companies); -- Knowledge of PMBoK methodologies; -- Knowledge and experience on CMMI implementation, training and evaluation; •Technical: -- Domain about Management Software (MS Project, MS Excel, MS Access, Dot.Project); -- Domain about Atlassian products (JIRA, Confluence, GreenHopper, Bonfire); -- Domain about UML (Unified Modelling Language) notation; -- Domain about Process Modelling Framework tools (EPF - Eclipse Process Framework) -- Knowledge in various languages (C, C++, Perl, PHP, Python, Delphi); -- Knowledge in Operational Systems (Linux Servers, Windows Server and MacOS); -- Knowledge in Web Architectures (Java, Web Services, APIs); -- Knowledge of telephony environments based on Voice Over IP (SIP and H323 protocol); -- Experience using and developing for Asterisk PABX IP software (AGI, IVR applications); -- Knowledge of VOIP software architectures (OpenSips, Sipproxd, RtpProxy, Cisco TCL); • Personal: -- Organized, responsible, engaged and committed. Problem solving and analytical skills, negotiation skills, multi- tasking and Mind Map user.  less

    atlassian-jira scrum asterisk project-management sip agile-software-development wordpress microsoft-project 00 more less
    • $27.78 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 20 HOURS
    • BRAZIL
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
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