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VOIP Software Job Cost Overview

Typical total cost of Upwork VOIP Software projects based on completed and fixed-price jobs.

Upwork VOIP Software Jobs Completed Quarterly

On average, 46 VOIP Software projects are completed every quarter on Upwork.


Time to Complete Upwork VOIP Software Jobs

Time needed to complete a VOIP Software project on Upwork.

Average VOIP Software Freelancer Feedback Score

VOIP Software Upwork freelancers typically receive a client rating of 4.57.

Last updated: October 1, 2015

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Dmitry Sytchev

Dmitry Sytchev

Asterisk/Freeswitch/Kamalio expert, VoIP engineer, Linux administrator

Russia - Tests: 7 - Portfolio: 1

I have more than 10 years of experience in installation and support of carrier-grade VoIP services based on Asterisk, OpenSIPS, Kamailio, Freeswitch and proprietary SIP/VoIP software. My professional interests are Callcenters, automated dialer systems and integration of VoIP software with company information flows. You can rely on my strong engineering and programming skills for projects starting from single VoIP server to a complete wholesale/carrier VoIP solutions including billing, call data analysis, security and fraud prevention. I have developed complete SIP solutions for VoIP carriers worldwide: Proxy/Registrars, IVR, prepaid systems, multi-tenant VoIP switches, hardware PSTN gateways (Cisco AS5300/5500, Audiocodes Mediant 2000, Quintum Tenor). I have experience in setup, administration and security of Asterisk, FreePBX, Elastix and FreeSWITCH PBX installations. As a programmer I use PHP, Javascript (both client-side using jQuery and Angular.js and server-side with node.js), Perl (system scripts/applications, Mojolicious webapps). I also have experience in development and administration of MySQL and Microsoft SQL Server databases. I'm experienced network engineer, skilled in routing and switching, general network architecture planning and deployment, network monitoring and security, including HA solutions (heartbeat/pacemaker). I use Zabbix and have some experience with Nagios and other monitoring software. I can also offer you consulting support in VoIP and network technologies.

100% Job Success
$33.33 /hr
104 hours

Arsen S.

Arsen S.

VoIP Administration & Development

Bulgaria - Tests: 2 - Portfolio: 6

I am focused in VoIP field only and I have been working here for more than 8 years. My Area of experiences: VoIP -Asterisk PBX: Full proficiency -FreeSWITCH: Full proficiency -Yate: Full proficiency -Strong knowlege of SIP protocol and SIP routers/proxy servers -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVR and Auto Attendant Development -Secure VoIP: TLS, SRTP, ZRTP Full proficiency in free Billing/CDR 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) -cgRates (billing for Freeswitch) I provide: - Development of custom Billing and software solutions for Premium Rate Numbers business. - HA and Scalability solutions for existing VoIP networks. - Development and optimisation of VoIP networks/projects. - Ongoing support via request/ticket tracker system. - VoIP Security and Hacker protection solutions. I have successfully completed large amount of commercial installations of VoIP PBX servers. From SOHO to Enterprise deployment including integration of various VoIP solutions into existing network environment. I also have experience in building of secure "bastion" VoIP/Linux servers. Payment Terms: Minimal support package 5 hours. Short-term hourly support: $50 For long-term support please contact for price options. For sizable development projects please contact for price options. We charge upfront scoping (roadmapping meeting, flat-rate). Hourly based projects: -Current hourly rate is $50. Price per projects/feature: -Fixed price projects are calculated based on the hourly rate and expected task complexity. -For all fixed price projects complete project specification with clear tasks description is required -For all fix price projects work will be started only after payment has been es-crowed and both parties have agreed with working terms.

100% Job Success
$55.56 /hr
196 hours

Ruben Semerjyan

Ruben Semerjyan

Inovative Mobile VOIP, Social, Audio/Video Streaming Developer

Armenia - Tests: 2 - Portfolio: 1

I am an innovative, extremely detail oriented and perfectionist Software Development Architect, with expert knowledge in VoIP, audio/video streaming and processing, messaging and social media. My a little over 8 years of experience in VoIP industry gave me a strong knowledge of the protocols, technologies and available solutions. 3 years of successful mobile applications development, architect and project management gave me confidence in creating robust and technologically challenging applications. I am passionate about developing robust, innovative and leading edge applications, getting increasingly challenging assignments and applying disruptive technologies. Looking for a work on technologically challenging projects (in an agile environment preferably), while offering my expert knowledge base, ability to learn quickly and apply new techniques. I usually bid slower than others, because of reading the full job description, trying to estimate all requirements, needed technologies and solutions.

100% Job Success
$25.00 /hr
28 hours

Alexander Etreta

Alexander Etreta

iOS \ Android \ Xamarin Developer

Russia - Tests: 1 - Portfolio: 9

I'm well-skilled engineer based in Moscow, Russia. I'm working with Xcode, Xamarin (MS VS or Xamarin Studio on Mac), Objective-C, C, C++, C#, Java, Cocos2D, Unity. I also work with a perfect interface designer, a true professional. In work I use all the benefits of IOS and Android systems and provide my clients with the best possible solutions. My motto is - simple and beautiful solutions for your business. For long-term and complicated projects I can involve a team of professional ios\android developers, my colleagues. Ready to engage in serious, complex projects (on Xamarin is better because this is very good tool for serious cross-platform projects), games (cocos2s, Unity 5) etc.

88% Job Success
$34.00 /hr
76 hours

Norbert V.

Norbert V.

C#, ASP.NET MVC, Java, Android, C/C++ developer

Hungary - Tests: 6 - Portfolio: 9

I have been developing applications for 4 years in C#, ASP.NET MVC, Android, Java and C/C++. During this time I managed to get skills to write robust and optimal code in these languages and frameworks. I have a deep knowledge in networking concepts, protocols, VoIP technology and different database systems. I have worked with different Linux/UNIX systems and Windows so far. I used design patterns several times in practice, used TDD principles, set up continous integration and builder systems for larger projects. Why hire me: work efficiently, deliver on time, write maintainable code, provide good code analysis, learn new things fast.

$24.89 /hr
487 hours

Sergey A.

Sergey A.

VoIP CallXML developer

Russia - Tests: 10 - Portfolio: 9

I am focused on efficiency of software development. I am improving my efficiency every day with great success. I am independent freelance developer with 10+ years experience, I can be responsible for your project. High quality of code is guaranteed. My favourite technologies are StarTrinity CallXML (VoIP scripts), WPF, AJAX, WPF, MVVM, Entities Framework. Over last 13 years I have successfully developed a wide range of applications for various businesses using C#, WPF, audio/video media processing and streaming, voice/text chats, Text-to-speech, C++, SIP, RTP, TCP/IP, HTTP. Now I am willing to help you with your project fulfilling if you know what you want and if you have good understanding of what you need. With current employers I work trying to save their money and time by telling them about possible problems before the problems happen.

100% Job Success
$10.00 /hr
5,942 hours

Zhang DeXi

Zhang DeXi

Native iPhone/Android and Xamarin Developer

China - Tests: 5 - Portfolio: 4

Hello All! Over the last 6 years, I have been working on mobile application world, i had developed a lot of successful Mobile Apps. Especially Recent 3 years work was focused on social network project. I can support IOS programming as well as Web service programming simultaneously. Have developed 30+ mobile apps of following categories - Social networking: Like & share, Messaging service, Dating Service - Photo & Video: Filters, Mix, Editing, Sharing - Video Streaming: RTP, RTCP, RTSP - Geo Location navigation: Travel, Find near - Lifestyle: Fashion & Shopping I have strong skills in the following areas: Object C, xcode, storyboard, iPhone-app-development, iPad-app-development, android-app-development, Xamarin, dating, messaging, photo&video editing, photo&video sharing, In-app purchase, iAd, facebook, twitter, GPS, Parse, C#, JSP, SAP.NET, MVC 3

67% Job Success
$35.00 /hr
26 hours

Jeremy Brainard

Jeremy Brainard

Seasoned IT Pro / Technology Enthusiast / CEH

United States - Tests: 4

I am an extremely skilled, motivated, and highly knowledgeable IT professional with 15+ years in the IT industry. I am also an EC Council Certified Ethical Hacker, and in addition to security services, I provide a vast array of technical solutions to both businesses and individuals. From network/server/workstation planning and implementation to advanced troubleshooting and traffic analysis, I am THE answer to your technical demands. Add to this the fact that technology isn't just my profession; it's my passion, and you will discover why my clients have been with me for years and wouldn't consider switching. I absorb and become well-versed at any issue thrown my way, and will get to the bottom of whatever roadblock I encounter. Who I am not: your average neighborhood tech geek, a rep from a fly-by-night shop, or someone sending proposals to any listing that appears. I choose my applications very carefully, and make sure I have budgeted enough time to complete the task required. I also do not apply for jobs that I'm not 100% certain I can handle. Due to these and many other reasons, I have built a solid name for myself locally, and will do so here as well. You'll be glad you chose to have done business with me, and I look forward to meeting your technological challenges head-on.

100% Job Success
$44.44 /hr
94 hours

Wael S.

Wael S.

Microsoft Expert

Saudi Arabia - Tests: 2

Over the last 5 years, I have worked deeply with Microsoft products specially for Microsoft Lync and Microsoft Exchange products for enterprise companies. My core competency lies in complete A to Z solution of UC solution including voice integration, and I am seeking opportunities for Microsoft Lync and Voip related projects I also have some experience in the following areas: Network, Firewall (Fortigate , Juniper, and Cisco ASA)

$35.00 /hr
4 hours