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All FreelancersFeedback: At least 4sip

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Expert VoIP & iOS & Android
  China  |  Rate: $33  |  IT & Programming
5
 |  16 Jobs  |  Private  | 
Hi, I have over 8 years experiences in developing Asterisk system, iOS, Android , Web products. I am working in Shenyang(UTC+8), China and can work FULL-TIME for you. I have developed many VoIP...

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Expert software developer with 20 years
  India  |  Rate: $49  |  IT & Programming
9
 |  43 Jobs  |  $48,069 Earnings  | 
Software developer with 20+ years experience. Many of these years in large telecommunication companies. Developed and project managed complex products. I am focused in a few areas. This focus and...

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VoIP/Asterisk Expert & PHP/MySQL developer
  Russia  |  Rate: $33  |  IT & Programming
5
 |  80 Jobs  |  Private  | 
My main speciality is VoIP. Asterisk, FreeSWITCH, openSIPS, Kamailio, VoIP billings and various hardware - that's what I deal with most of time. My background is PHP/MySQL programming. I've been...

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A highly effective IT Consultant
  Latvia  |  Rate: $50  |  IT & Programming
8
 |  33 Jobs  |  Private  | 
A highly effective IT Consultant, Cisco Certified Network Associate (CCNA), with 8 years experience working on a variety of projects in highly multicultural and fast paced environments for several...

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Provider of VoIP, E-commerce, ERP and CRM
  India  |  Rate: $33  |  IT & Programming
8
 |  8 Jobs  |  $8,885 Earnings  | 
At Viithiisys Technologies we are a team of expert architects, software developers, designers with experience ranging from 3 to 13 years in software development provides unparalleled software...

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Expert in networking and VoIP
  United States  |  Rate: $27  |  IT & Programming
7
 |  10 Jobs  |  $1,652 Earnings  | 
? Extensive experience and training in designing, installing and troubleshooting Cisco Networking Products, Unified Communications Manager, Unity Voice Mail, Unified Contact Center Express and...

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Virtualization - VoIP - Network & Linux Expert.
  Costa Rica  |  Rate: $44  |  IT & Programming
7
 |  36 Jobs  |  Private  | 
20 years experience and solutions-focused, team oriented IT Manager / Senior Technical Support Analyst, Senior Network Security Engineer with broad-based experience and hands-on skill in the...

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Expert IT Professional
  United States  |  Rate: $44  |  IT & Programming
3
 |  27 Jobs  |  Private  | 
During more than fifteen years as an IT professional, I have successfully managed, developed and implemented solutions for clients ranging from small businesses to Fortune 500 companies. I like...

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Writer, editor, designer. Your one-stop word shop.
  United Kingdom  |  Writing & Translation
8
 |  8 Jobs  |  Private  | 
An experienced and published writer, blogger, editor and book designer with a passion for words and a creative flair, I provide a fast and accurate one-stop writing and design service tailored to...

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Technical Architect Java, J2EE, SIP WebRTC
  United States  |  Rate: $38  |  IT & Programming
6
 |  2 Jobs  |  $16,032 Earnings  | 
Over the last 12 years, I have worked extensively on Java/J2ee projects for prestigious clients in telecom and banking domain My passion towards the designing, programming and coding, lead me to...

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Linux system and network engineer, C/C++ developer
  France  |  IT & Programming
8
 |  25 Jobs  |  Private  | 
I have been a Windows and Unix administrator for 5 years (1998-2003), then *Nix system and network engineer since 2006 (Unix, Linux, Mac OS X) after having restarted studying for three years. I am...

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Expert Solution Developer in Telecom and IT
  Bangladesh  |  Rate: $44  |  IT & Programming
8
 |  10 Jobs  |  Private  | 
8+ year in Software and Telecommunication field. Vast experience in solution customization for Telecommunication System, IT. Specialist in Communication System like Core GSM, IP, SIP, WebRtc etc....

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J2EE, BI, LIFERAY, MOBILE, PHP, ASTERISK Experts
  India  |  Rate: $12  |  IT & Programming
11
 |  42 Jobs  |  $34,084 Earnings  | 
We are an Open Source Technology Experts. We work on all latest Opensource Skill sets (Java/J2EE, Big Data,Business Intelligence with Pentaho, Jasper, Tableau, QlikView, SSIS and SSRS Development,...

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Expert Java Developer, WebRTC/WebSocket solutions
  Ukraine  |  Rate: $35  |  IT & Programming
4
 |  1 Jobs  |  $1,800 Earnings  | 
? 20 years working on development of wide variety of information systems as Application Developer, Application Architect, project manager, business analyst ? Particularly interested in development...

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Experienced Embedded Results Driven Professionals
  India  |  Rate: $30  |  IT & Programming
7
 |  16 Jobs  |  Private  | 
If you are an ethical company implementing ethical products, I am available 20-25 hours per week to solve your most complex problems in the area of System and application software. Over the last 10...

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Chief Financial and Marketing Officer
  Russia  |  Rate: $22  |  IT & Programming
11
 |  74 Jobs  |  Private  | 
We have been specializing exclusively on the development of custom video software since 2005. Our clients are the US Traffic Police, Standford University, many large hospitals and companies from...

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Expert Asterisk Elastix Trixbox-VoIP Professional
  United Arab Emirates  |  Rate: $17  |  IT & Programming
6
 |  4 Jobs  |  Private  | 
Specialist in Open Source Asterisk - VoIP Expert Elastix, freepbx,trixbox SIP-PSTN trunking, SIP DIDs configurations, Call Center solutions, Linux High Availability & Failover for VoIP. VTiger...

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Asterisk Expert
  United States  |  IT & Programming
6
 |  7 Jobs  |  Private  | 
I am an individual with a wealth of experience and technical expertise. My primary objective is to meet or exceed the clients requirements. My secondary objective are to provide robust, extensible,...

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VoIP&Security development
  Ukraine  |  Rate: $27  |  IT & Programming
6
 |  7 Jobs  |  $12,635 Earnings  | 
JSC ?Altron? has more than 10 years of experience in development and production of solutions in communications and security systems areas. The company is one of the oldest and largest Ukrainian...

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Android Application developer
  India  |  Rate: $14  |  IT & Programming
4
 |  5 Jobs  |  Private  | 
Having 5+ years of professional work experience in the Android application development for Android mobile as well as the Tablet devices.Windows Mobile Mobile Web,Windows Mobile 8,...

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experiment with the excellence
  India  |  Rate: $15  |  IT & Programming
3
 |  10 Jobs  |  Private  | 
3 year experience in iphone programming . Develop application in many different frameworks and api.I have strong adoption regarding best iOS development practises as well as following standard...

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Search Engine Marketing, SEO, Sales, Marketing
  United States  |  Rate: $22  |  Sales & Marketing
6
 |  61 Jobs  |  $16,267 Earnings  | 
15 years in Sales, Marketing, ORGANIC SEARCH ENGINE MARKETING AND LINK BUILDING, INCREASE ORGANIC TARGETED TRAFFIC, Business Consulting, Start-up Businesses, Management, ORGANIC SEO, Social...

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CISCO CCNP R&S / VOICE
  Greece  |  Rate: $22  |  IT & Programming
6
 |  11 Jobs  |  Private  | 
I`m a Cisco Certified Engineer working for an ISP`s large enterprise customer support department. In my daily job I implement / troubleshoot cisco voice solutions. I have ten years of experience.

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A mom & pop software engineer team.
  United States  |  Rate: $33  |  IT & Programming
8
 |  16 Jobs  |  $8,030 Earnings  | 
T. Scott Barnes is a programmer with over a decade of experience in open source development using C and C++, as well as experience in web design and development, team management, version control,...

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Android,iPhone,BlackBerry .NET Cloud Computing
  Palestine  |  Rate: $16  |  IT & Programming
4
 |  7 Jobs  |  Private  | 
I wear several hats and try to bring decisiveness, efficiency and common sense to anything I undertake ... with a smile! Specialties: Proposal Management, Solution Architect, Project Management,...