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Personalisation LinPhone Security & Design

We are in a need of a customization of the opensource VoIP / SIP client LinPhone.

The development has to be done in two phases:

Phase 1: Customization of mobile + tablet apps (iOS + Android)

// Objective C = iOS + Java = Android --> ready in two weeks.

Phase 2: Customization of PC apps (Windows, Mac OSX and Linux)

// Qt/QML = Windows, Mac OSX and Linux --> ready in four weeks.

The main customization's must be:

- Upgrade security

Many security features, which include i.e.:

--> Use TLS connectivity for handshake

--> Use VPN connection for additional security

--> Use ZRTP encryption protocol on VoIP (voice and video) communication

--> Use text encryption for messaging and file sending

--> Database security on app and server

--> Secure connection settings

--> Use code obfuscation protection + Sign the app

--> Harden the security of application / program

--+ Encrypt the entire application

--+ Containerize the entire application

--+ Encrypt the database

--+ Lock screen / Login protection

--+ Brute force protection

--+ Code hardening by Pro+iX Guard

--+ Store encryption keys securely in Trusty

--> Set privacy settings

- Design customization

Many security features, which include i.e.:

All designs are based upon the operation of LinPhone, almost no real custom development.

--> Add a lock screen / login screen prior using app

--> Every function in the LinPhone app is customized by designer

--> APP settings are blocked for users to change - one setting fits all

--> Custom user account settings

SIP server will be setup by an other person if this isn't your specialty to save time and costs. When you can do this also total project budget is 1200$.

Budget $750 - $1000 for entire project.

Ready in 2 - 4 weeks (divided in two phases)

Time is of essence and must be ready in 2-4 weeks.

Evner: Android, C programmering, C++ Programmering, Java, Mobile App Development

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Om arbejdsgiveren:
( 137 bedømmelser ) Den Bosch, Spain

Projekt ID: #17977585

23 freelancere byder i gennemsnit $1143 på dette job

$1184 USD in 20 dage
(74 bedømmelser)
7.5
technorizen

Hello, I m fulltime available for work , I have 6 years of experienced on mobile application ( Android +iphone/ ipad ) and App admimn with development web services where admin can manage the app from backend Flere

$1100 USD in 20 dage
(156 bedømmelser)
8.5
AwaisChaudhry

Hi there, I have checked the details I have rich experienced with Android, C Programming, C++ Programming, Java, Mobile App Development. Please initiate chat so we can discuss this job.

$1250 USD in 20 dage
(56 bedømmelser)
7.3
wuyong2020

Hi I have rich experiences with Linphone and Sip client server. This project is perfect fit with my skill set. Hope to discuss more details with you. Regards

$1250 USD in 20 dage
(44 bedømmelser)
7.3
Julian29

Hello, I am available full time for work.I understand your requirements and I can help you with your project. I am experienced Android App developer, and looking to start working with you on your project STEP BY Flere

$1000 USD in 20 dage
(50 bedømmelser)
7.2
ZhenExpert

Hi, sir! I have carefully read your job description and reviews. And I noticed you are good client for all freelancers, and will be good for me. Your job is very similar I did last month. I am so glad to face you Flere

$1250 USD in 20 dage
(9 bedømmelser)
5.8
$1666 USD in 10 dage
(35 bedømmelser)
5.8
bluecoded

Dear friend, We read through the job details We very much look forward to the opportunity to work with you and to make this occasion a momentous one. Can we have a discussion now ? Sample web development w Flere

$1250 USD in 20 dage
(21 bedømmelser)
5.8
DevStar925

How are you? I read your description. I am C++/C#/Java/Python programming Expert. I can finish your project quickly with best quality. I want to discuss more on chat. Thank you for your time.

$1250 USD in 20 dage
(14 bedømmelser)
5.1
luiswilliam

Hi, how are you? I'm talented web developer. I have completed lots of professional web projects successfully before. And I am continuously supporting all projects which I have done for clients..,//;',' However, I'd Flere

$1250 USD in 20 dage
(12 bedømmelser)
5.3
fullstackappcode

Hello I've read your description and can know that you'd like to build an app. As a senior developer who has good experience in Android/iOS app development, I'd like to help you with this project. I will provide Flere

$833 USD in 11 dage
(6 bedømmelser)
5.1
acka3a5

Hello, we can do this for you. We have developed several multiple different Android apps. When can we discuss your project? Here are samples of work: [login to view URL] [login to view URL] [login to view URL] ww Flere

$1200 USD in 30 dage
(10 bedømmelser)
5.0
roshanasim

I am ready to assist you on the immediate basis to develop native apps for both Android/iPhone platforms. If you have prepared any feature listing doc than please share with me or share reference app. I am expert in Flere

$1555 USD in 20 dage
(12 bedømmelser)
4.4
attique2010

I have linphone customization experience

$750 USD in 3 dage
(15 bedømmelser)
4.4
myappsdevelopers

Hello Hiring Manager, No Upfront Payment. Payment After Delivery I read your job descriptions carefully, I am very interesting in your job. I have developed apps such as Social networking & lifestyle(Tinder st Flere

$944 USD in 22 dage
(17 bedømmelser)
4.1
Mobileappsoln

Hello, I am Mobile application developer having more than year experience in application development. Recently I have started work as freelance so I will put my 100% effort to done your work. i understand you need o Flere

$777 USD in 20 dage
(4 bedømmelser)
4.3
herbzone127

Hi, I am Ahsan Zaman from InnovicSoft. We are interested in your project and we have a complete team of developers that will develop your project perfectly. You can check my portfolio as well as company website here Flere

$1500 USD in 20 dage
(3 bedømmelser)
2.8
moore69

Hi. We have built messaging applications before and implemented video call feature. Have a look at a few examples of our apps: 1. Showapp [login to view URL] Flere

$888 USD in 20 dage
(0 bedømmelser)
0.0
arcsoft16

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned "I can do Flere

$1111 USD in 7 dage
(0 bedømmelser)
0.0
akasdeep0699

Hello, I hope you doing well!!! i went through your requirements. I am a good fit for this project because I think I have the diverse skill set and communication skills the post requires. Please check my apps: Flere

$750 USD in 10 dage
(0 bedømmelser)
0.0