SIP Freelancers

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

SIP Job Cost Overview

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

oDesk SIP Jobs Completed Quarterly

On average, 34 SIP projects are completed every quarter on oDesk.

34

Time to Complete oDesk SIP Jobs

Time needed to complete a SIP project on oDesk.

Average SIP Freelancer Feedback Score

SIP oDesk freelancers typically receive a client rating of 4.50.

4.50
Last updated: May 1, 2015

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Leonid Danilov

Leonid Danilov

Russia - Last active: 3 days ago - Tests: 9

5 years expirience in network design, operation, management & troubleshooting. Expert knowledge in most valueble VoIP and traditional telephony standards and protocols, various 4&5 class softswitches configuration and management. Strong knowledge of UNIX system architecture and over 10 years of expirience in management and support of various Linux/BSD installations and most popular services(daemons) on them. Excellent ability to handle significant workload with experience in managing multiple projects concurrently in a matrix process environment. Experience with implementing and managing complex technical projects with the ability to solve technical problems. Skilled in work coordination and ditribution between different companie’s employees and subordinates. Equipment used in production environment: ASR1000/9k family, 76xx/65xx platforms, 2960/3560/3750 switches, 34xx/3750/38xx MetroEthernet family switches, AS5350 Voice Gateways. Cisco IOS, IOS-XR, IOS-XE configuration. HP SAN/NAS storage systems, ProLiant&Blade servers, MSR21xx routers and various access switches. Huawei MA5603, access switches, EdgeCore access&aggregation switches, ZyXEL DSLAMs& access switches. AudioCodes MP202/11x Voice Gateways, Mediant 1000/2000 Voice Gateways, RAD TDMoIP multiplexors, Tellabs SDH multiplexors. Q-tech CWDM multiplexors. Software used in production environment: Softswitches: MERA MVTS/MVTSII/RTU, OpenCA, CommunigatePRO, Asterisk/FreePBX/Elastix. OS:Red Hat/SuSE/Debian Linux, FreeBSD,OpenBSD. Scripting: bash,python Virtualization:VMWare.

$15.00 /hr
10 hours
4.92
Anton Stremovskiy

Anton Stremovskiy

Junior iOS Developer & VoIP Engineer

Ukraine - Last active: 15 days ago - Tests: 3 - Portfolio: 1

More than 10 years experience in IT engineering. 1 year experience in Objective-C developing. Extensive experience in Linux & Unix systems. Deep practical knowledge VoIP Telephone and PBX Integration. Motivated team player with excellent communication skills. Expertise of working with internationally distributed teams. Fast learning and self-educating. Willing to travel as needed.

Groups: Corona Labs
$22.22 /hr
0 hours
5.00
Oscar Chris

Oscar Chris

Mobile Messenger, Social Photo/Video Sharing Devel...

Sweden - Last active: 14 hours ago - Tests: 8

My Strongest Skills are Streamming Media Services, XMPP & OpenFire, Backend API's programming, Google Map SDK, FourSquare, Audio/Photo processing, Payment Processor(including In-App_Purchase), Analytics SDK. My major work is to develop the Wechat/Whatsapp Style Mobile App. My expertise in Deliver the Quality of Apps in Required Time Frame. My key skills and abilities include (NOT limited to) + Text messaging and video/voice chatting - XMPP, OpenTok, Pusher, APN, VOIP/SIP + Networking framework - AFNetworking, Web RTC, Socket.io TCP/IP + iOS SDK (Foundation, UIKit, Core Data,AVFoundation, MoviePlayer,Quartz Core,Core Animation, etc) and iOS programming languages (X-code, Swift, Objective-C) + Map integration(GPS Location) /Google Map API, MapKit Framework + e-Commerce payment system - Paypal, Authorize.net, Stripe, Saleforce, card.io + ad serving or ad network SDKs (iAds, Google admob, etc) + Web service integrating - JSON RESTful API, Parse.com + Team Work - SVN, GitHub, Bitbucket + Various library development using C/C++

$55.56 /hr
3 hours
5.00
Tom Thomas

Tom Thomas Agency Contractor

CTO -14 Yr Exp - C++ ,QT/VC++,COM,C#, Rasp PI,Plug...

India - Last active: 3 days ago - Tests: 6 - Portfolio: 6

I am a 15 year experienced Professional C/C++/VC++/C#.NET/Java/ASP.NET Developer with Design and Management Experience. My core competency lies in the end to end development of C++ (especially VC++ and QT C++) and C#.NET based applications. I also have very good experience in managing a team of size 5 to 25. I helped many start-ups to make their dream a reality and I am happy to say that most of my customers are repeat customers. My oDesk profile and customer feedback reflects exactly the same story. Please go though my oDesk work history for more details. I am willing to work on both Fixed Price ( Milestone Based) as well as Hourly based Projects. The key skills which distinguishes me form other developers are given below. VC++/ATL/COM, Raspberry PI,Android, Device Driver, Video Streaming,DirectX, SNMP, Protocol Development, Plugin development, Plugin Frameworks, Artificial Intelligence,Video Analytics, Scientific and Engineering Software, Computer Interfacing software. RESUME ==================== => More than 14 years of commercial software development experience with exclusive focus on Client Server/ Networking/Graphics/Robotics Technology. => In-depth knowledge in developing softwares with tools and technologies like VC++, Unix/Linux C++, .NET , C#.NET, VB.NET, ASP.NET and Java.' TECHNICAL EXPERTISE ==================== => The key technical Architect behind the Shareware products, KTS InfoMate, VideoManager +, MoneyCare +, SalesMate +, KTS InfoMate, CampusMate + and other products (with Plug-in Support) developed with tools VC++, ADO, MFC and ATL => The key Architect behind the extensible Web Content Management and Backup system KTS webCloud developed with tools VC++,VC#.NET, ASP.NET and SQL Server. => Worked for fortune 500 companies and MNC clients like GE, HP, Fujitsu,Toshiba, Hitachi, ISO. End To End Software Products Development Experience ============================================ Digital Signage Management Software (Tools and Technologies VC++, COM, ActiveX, QT C++, C#.NET, Java, ASP.NET, Web Services, Android , Linux, Raspberry PI, Windows, SQL Server/ MySQL, MS Access, Cross Platform ) Personal Accounting Software (Tools and Technologies : VC++, MFC, ATL , COM) Point of sales Software (Tools and Technologies : VC++, MFC, ATL , COM) Web Content Management System Software Framework (Tools and Technologies : ASP.NET, C#.NET ) Time Table Creation Software (Tools and Technologies : VC++, MFC, ATL , COM) Video Rental Software (Tools and Technologies : VC++, MFC, ATL , COM) Campus Management Software: (Tools and Technologies : ASP.NET , MySQL) Software Skills: Software Product Engineering, VC++, ATL, COM, DCOM, MFC , ActiveX, DirectX, DirectShow, FFMPEG, FFDShow, Win 32, .NET, C#.NET, VB.NET, ASP.NET,ASP, AutoIT, Bugzilla, ISAPI, Boost, Device Driver, NDIS Driver, Printer Driver, ModBus TCP, ModBus Protocol, SNMP, CMIP, HTTP,SMTP, FTP, TFTP, HTTPS, RTSP, SAP, SIP, H 264, MP4, MPEG2, AVI, Video Streaming, Flash Streaming, RS 232, USB, Firewire, Image Processing, Packet Sniffer, Ethreal, Video Analytics, Object Tracking, Aforge.NET, Vehicle Identification, Medical Imaging, Optical Networking, Mathematics, Physics, Game Physics, Simulation, Scientific Software, Linux , Unix C++, ObjectStore, SQL Server, MySQL, MS Access, Web Services, SOAP, gSOAP, JSON, Compiler, Lex,Yac, ASM, Data Structure, Fiber Optics, Embedded System, Raspberry Pi, Plugins, Excel Plugins, Office Plugins, Word Plugins, Plugin Framework, PhotoShop Plugins, Photoshop SDK, 3DS Max Plugin, Intelligent Transportation Systems, New Port Stepper Motor, Galil Motion Controllers, CRO, EDBA, WDM, SONET, SDH, SEO, SEO Tools Development.

$40.00 /hr
1,225 hours
4.97
Junaid Rehmat

Junaid Rehmat Agency Contractor

Experienced C/C++/Objective C Developer/iPhone App...

Pakistan - Last active: 1 month 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
Vahram M.

Vahram M. Agency Contractor

Expert of Streaming Technology for iOS | Android |...

Armenia - Last active: 3 days ago - Tests: 4 - Portfolio: 7

My profession is: SIP, RTP, RTMP, XMPP protocols; VP9, VP8, H.265, H.264, Opus, Speex, AMR, GSM, G.7xx Video and Voice encoding and transmission; OpenFire, Red5, Asterisk, OpenSips Servers; TLS, SSH, RSA security; TCP and UDP sockets, Tunneling, TCP over UDP. My experience in software development is 15+ years. Last 6 years I am working in mobile application development, especially with Video Chat, Audio Calling, Instant Messaging and other Multimedia solutions.

Associated with: Be Interactive
$33.00 /hr
6,435 hours
4.76
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
Alexander Kulpanov

Alexander Kulpanov

software developer

Russia - Last active: 12/31/2014 - Tests: 1

I'm a software engineer, i develop software for machinery, robots, field-bus and ethernet equipments. For these projects i prefer to use C++/Python/JS/SQL with QNX/Linux/Win on ARM/x86 processors. I have 11 years hands-on experience in developing for industrial software projects for various companies from planning to deploying.

$23.00 /hr
0 hours
4.88