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Secure VoIP Client APP (for mobile)

Hello,

We are in a need of a secure and encrypted VoIP client 1st for Android, 2nd for iOS.

The VoIP client may be using Open Source libraries, and has to be based upon ZRTP (up to) SRTP protocols. The protocols and technology can be used from open source libraries.

Other details which has to be customized are - guidelines;

- Sandbox application

- 256 AES encryption @ login

- APP user registration

- Hidden directories required

- Add contacts only XMPP / Email

- VoIP communication using XMPP

- Design customizations

- Disable features

- Etc.

Extended project description is available.

We advice this project to a freelancer who is / was contributing on; Ring, Redphone / Signal, CSipSimple, Linphone, etc.

Deadline two weeks + Budget $500 - $800

Skills: Android, iPhone, Java, Mobile App Development, Objective C

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About the Employer:
( 117 reviews ) Den Bosch, Spain

Project ID: #15410849

31 freelancers are bidding on average $627 for this job

HugeWave

-----------------Hello----------------- ***Let's built the successful project together*** [url removed, login to view] This is my [url removed, login to view] profile and please check my profile .. As you s More

$555 USD in 10 days
(78 Reviews)
8.2
JoomlaVogue

Please have a look at our portfolio for Mobile App and Unity Game based projects: Relevant Skills and Experience [url removed, login to view] [url removed, login to view] More

$555 USD in 10 days
(72 Reviews)
7.6
EliZhang221

iPhone, iPad, Android, FireBase, Swift3.0, ObjectC, NodeJs, Ruby I have these skills under my belt. - this is my previous doctor and patience reminder app [url removed, login to view] - this is my Voice Message Ap More

$500 USD in 10 days
(29 Reviews)
7.0
ITWhiz4U

Dear sir. Nice to meet you. I have read your job post in carefully and understood everything what you want. I have developed 30+ apps & published them app stores in successfully for 6+ years. As you have seen, More

$555 USD in 10 days
(44 Reviews)
6.9
bondwp322

Hi dear employer! How are you? I read your requirements carefully and understand what you want. I can complete your project perfectly with high quality codes. Hope to work with you. thanks Relevant Skills and Experien More

$500 USD in 10 days
(53 Reviews)
6.6
shreeyait

[url removed, login to view] [url removed, login to view] Relevant Skills and Experience [url removed, login to view] More

$555 USD in 10 days
(40 Reviews)
6.8
C0RETECHIES

Hello, Great to hear from you that you are looking for Secure VoIP Client APP. we have already developed chat application using ECC, PGP and AES and moving another part calling functionality ZRTP. Relevant Skills an More

$888 USD in 20 days
(35 Reviews)
7.2
seekdeveloper

Hi, I'm a talented developer for iOS, Android and have 8 years full time development experience. I have already developed a great number of various applications, namely on-demand services, location-based apps, More

$777 USD in 10 days
(19 Reviews)
7.4
harishparas

good day, Please provide me full job description with wireframes or rough sketches of the app so that i will tell you exact time and cost for this to be developed. Relevant Skills and Experience I've more than 6+ year More

$555 USD in 10 days
(26 Reviews)
6.1
jinzhenzhu8691

My name is LiMing. I am coding for over 10 years and have many experiences in this field. I read your description carefully and have some questions related to project development. Please contact to me and let's disc More

$555 USD in 10 days
(12 Reviews)
5.7
$555 USD in 10 days
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6.0
jexcoreinfotech

Our portfolio links: [url removed, login to view] Relevant Skills and Experience Our portfolio links: [url removed, login to view] Proposed More

$555 USD in 10 days
(13 Reviews)
5.6
zhangguimei

I am a mobile developer by profession and expert. I just read the description regarding the project and interested in working for your project. I have developed many apps for 7+ years and uploaded it on app store an More

$555 USD in 10 days
(8 Reviews)
5.6
hawkscodeaus

I have 7+ years in mobile phone - Android - iphone application development with very good experience. Relevant Skills and Experience I am good in Android, iPhone, Java, Mobile App Development, Objective C Proposed Mi More

$500 USD in 7 days
(11 Reviews)
5.4
davidpooh126

Hello. I can do it quickly at low price. I am a full stack iOS and android mobile app developer , and then I have rich experience in developing mobile apps for more than 6 years. So far, I have developed many succe More

$1000 USD in 10 days
(15 Reviews)
5.0
tejdiv123

Hello,i read your [url removed, login to view] already build the IOS and Android Voip/SIP/Soft Phone Versions with [url removed, login to view] have a team of developers with 7 year Experienced for Mobile(IOS & ANDROID) Apps & Games. Relevant Skills an More

$777 USD in 20 days
(28 Reviews)
4.6
anuragiitk

I am an IITK graduate and I have 9 years of experience in software development. I have 100% completion rate and I have finished all the projects with the highest level of customer satisfaction. Relevant Skills and Exp More

$555 USD in 10 days
(19 Reviews)
5.2
nexcodinfotech

Hello, I have gone through your requirement and found that you are in a need of a secure and encrypted VoIP client 1st for Android, 2nd for iOS. The VoIP client may be using Open Source libraries, and has to be based More

$633 USD in 25 days
(6 Reviews)
3.4
Danharrison

Hello, Hope you are doing well. Thanks for the details you have provided here. We understood your requirements and will like to do work for you. We have expertise team of developers who can serve you best qualit More

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(1 Review)
3.5
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