App Project

Budget $3000 - $5000 USD
Bids 9
Average Bid $4234

Hi,
I have a project to develop Android apps to bridge voice from SIP to GSM,
below the requirement and flow

Requirement
1. Support all Android phone and all android version
2. SIP must support standard sip pbx or sip proxy. example Asterisk or
VoipSwitch
3. Option to support SIP TLS
4. Support Wifi and 3G internet

apps
1. Android using SIP can register to SIP PBX or SIP proxy using Wifi or 3G
2. SIP PBX/Proxy send call to android phone and android phone will send
call to GSM

flow
1. SIP PBX/Proxy ->(via internet Wifi or 3G) -> Android Phone -> GSM
Network

Delivery
1. Deliver the source code and installation apps

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  • pierretrudeau1 Profile Picture

    pierretrudeau1

    Melville,  Hong Kong

    I am holding a bachelor degree in computer science from Boston University and a master degree from the University of Southampton in Business Administration

    C Programming, Java, .NET, and Website Design

  • fortranPRO Profile Picture

    fortranPRO

    Indore,  India

    We are fortranPRO having experienced developers in PHP, wordpress,MySQL, jQuery, API Integration, webs services, App development etc. Expertise includes PHP/MySQL, Open Source CMS , PHP Frameworks like CodeIgniter. Strong Database and MySQL skills, Database and query Optimization. Establishing and following coding standards for secure and functionally optimized web applications. Wide experience with different open source eCommerce websites and payment gateways.

    PHP, Java, Javascript, and XML

  • anuvatech Profile Picture

    anuvatech

    Pune,  India

    We are a fast growing Full Service Web Design, Mobile Applications and Web Promotion Agency serving Global Clients across 25 countries. We specialize in search engine friendly Web Design & Development, Mobile Application Development, eCommerce Development, Graphic Design and Premium SEO Services, eCommerce Promotion, Internet Branding, PPC, Search Engine Reputation Management,SEO Consulting.

    Internet Marketing, SEO, Mobile Phone, and Joomla

  • Cygnusinfomedia Profile Picture

    Cygnusinfomedia

    KOLKATTA,  India

    At Etasha Solutions, we have mastered the art of mobile & web development, with focus on making not only elegant but also functional mobile applications and websites.We have only been actively operating for around 3 years, in which time we have already catered to 20 + countries including US, Europe, Australia, Middle-East and much more. Building long term relationships with our clients is the core objective of each of the client relationships we start. As an established development company in Kolkata, we have grown by making good long-term business connections with our clients. We do this by always exceeding your expectations and delivering applications that are above and beyond what you were hoping for.

    PHP, ASP, Javascript, and Website Design

  • redextechnology Profile Picture

    redextechnology

    Noida,  Russian Federation

    Redexsoft was established in 2011 with a goal to provide innovative and cost effective IT solutions to the clients across the world. We pride ourselves in delivering end-to-end solutions to organizations across a broad range of industries. We provide Consultancy and development services in mobile solutions (Android, iPhone and Hybrid) and in Microsoft technologies - SharePoint, Office 365 and .NET in particular. We always look forward to adopt new ideas, while passionately drive our team to accept new challenges. Give us a chance to help you achieve your business objectives - we promise you timely delivery, quality solutions and overall, whole new experience.

    .NET, iPhone, Android, and Sharepoint

  • Hicoding Profile Picture

    Hicoding

    Indore,  India

    We are the certified IT company of India and we are working on Dot net PHP and many more skills & we deliver perfect solution to our clients.

    PHP, C Programming, Javascript, and XML