Client/Server GSM voice encryption

We are looking for an Android client that permit type a text message, encript it and send over gsm call. The call will be received by Asterisk SIP server, we need in the server side a software that can decript the audio encripted before in the Android client and extract the text was sent originally.

Skills: Android, Mobile App Development

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About the Employer:
( 9 reviews ) HIALEAH, China

Project ID: #4463204

7 freelancers are bidding on average $800 for this job


Please check private message. Thanks

$840 USD in 18 days
(15 Reviews)

Hi, I'm certainly interested in working with you on this -- but I think you might find you'll struggle to accomplish what you're asking. Please check the private message.

$1100 USD in 37 days
(10 Reviews)

Hi, I am ready for you!

$1030 USD in 30 days
(7 Reviews)

Hello, Hope you are well and doing well!!! We are eager to work with you. We are ready to start the project right away. CODEWARE is a web & Mobile application development company providing professional design, developm More

$772 USD in 12 days
(3 Reviews)

Hello, We introduce ourselves as Trentsetters Pte Ltd. We deal in almost all mobile and web technologies. We have enthusiastic teams developing the project as per your needs. Our moto goes with our name TREND SETTER More

$1133 USD in 24 days
(1 Review)

Greetings, Let's start.....

$660 USD in 14 days
(0 Reviews)

We Understand each and everything about Asterik. If you want it to really done, Just have a [url removed, login to view]

$825 USD in 15 days
(0 Reviews)

******************** GOOD MORNING & HAPPY THURSDAY optibs ***************** I've designed Voice Encryption & Client/Server communication apps in the past. Please check PMB. Im a qualified and reliable web (and deskt More

$440 USD in 7 days
(0 Reviews)

Thanks for posting the project on Freelancer, the project requirements completely falls under our domain and where this project exactly matches with our technical strengths and our abilities to deliver the work on time More

$708 USD in 20 days
(0 Reviews)

Hi, We take pleasure to introduce ourselves as a team of experienced professionals in the fields of Mobile Application Development and Design. Currently, our expertise includes Android, Blackberry & iPhone plat More

$840 USD in 14 days
(0 Reviews)

Kia ora! [url removed, login to view] are a NZ based web and software design company who have seen you here on the freelance market and are really excited about working with you and treating you to the full service, professional ex More

$1030 USD in 20 days
(0 Reviews)